85 hp outboard top speed. eu Yamaha always seems to achieve a good balance between weight, value and performance. 85) / 12) x (60 / 5280) = M. are "COLD BLODED" so unless you want to spend $300 plus Sep 7, 2001 · Re: proper prop ??? 85 hp johnson 1977 Howdy Sporty. The RM85L is the big wheel version of the RM85. 301 Moved Permanently301 Moved Permanently nginx 9. Jan 14, 2016 · Yamaha F5 outboard Price: £1,139 Top speed: 6. It uses the federal regulations to compute the largest outboard engine you’re allowed to install. Aug 12, 2005 · Re: 35 hp speed on 14' Too many variables to take into consideration. I hope you can suggest some areas to check. Based on our research, the 4-stroke Yamaha F60 burns about 5-5. With exceptional power, smooth performance and exclusive features, these outboard motors exceed all expectations. TL;DR - what speeds to expect out of a brand new 15hp outboard on a 2. From the quick 40 HP motorboat to the fast 225 HP cruiser, boating is all about engine Jun 7, 2012 · Re: How fast will a 14 ft runabout with a 60-80 hp engine go what is the wot max rpm of the engine and the pitch of the prop? then the gear raton of the lower unit. The pin is set on the second one up from the bottom not the top. 6. My old Johnson FD-11 18 hp pushed my 16-foot V-hull tinney just fine fully loaded with two anglers. I would like to improve mph's to pull skiers, hoping someone can point me in the right direction to solve this problem. See full list on powersportsguide. These engines were produced with Mercury lower units in the beginning, gradually becoming mostly Mercury motors with Force powerheads by the time they were 97366439 Force 85 125 HP Outboard Owners Manual - Free download as PDF File (. Mar 19, 2025 · Looking for the fastest outboard motor? Discover the best high-performance outboard engines in 2025 for speed boats, racing, and thrill-seekers! When your outboard will not throttle up, there’s plenty you can do to fix the most common issues and improve performance once and for all. If you wonder how fast a boat can go, this calculator will help you answer that. 5 revolutions of the engine to turn the propeller The outboard-engine-powered sport-catamaran segment, which includes models from 34 to 40 feet, has blown up in the last few years, and Mercury Racing has kept pace with its V-10 400-hp and V-8 450- and 500-hp outboards. You should start with a boat type, a maximum passenger number, 90-HP Motor Comparison Two modern outboard motors compared by James W. 3. 5 HP Outboard Motor? The smallest gas-powered outboards are designed for kayaks and inflatable boats. Production Bayliner boats (US models) are offered with either Mercury outboards or gasoline MerCruiser sterndrive engines depending on the model. The federal government regulates the horsepower of outboard motors that can be installed on boats. 5 THRU 45 HP 50 THRU 85 HP 90 THRU 150 HP MODEL NUMBERS are VERY important in identifying your Force Outboard. This is on the same boat as the first video with the same driver and equipment Frustrated with your outboard motor not running at full power? Here's all you need to know about these issues and how you can resolve them. Yamaha YZ85 specifications, features, images, mileage, colors, and review. Now, with that being said, all the older Mercs. It’s a scenario that every boater dreads – the frustration of an outboard motor that was running smoothly one moment and then inexplicably loses power The Suzuki RM85 is a Motocross bike created and manufactured by Suzuki. How Much Does a 5-6 HP Mercury Outboard Cost? Jan 14, 2016 · We pit six of the best 5hp outboard engines against each other in a head-to-head group test on the Solent to find out which is best The 4-stroke 5hp outboard engine is the staple power source for most small tenders. The estimated thrust to horsepower is based on the method #1 of lbs to hp calculator with 85% motor/system efficiency and 0. Why is your outboard not reaching top speed?Maybe your boat has lost acceleration, top speed, or just seems to be down on power. 9‐20 Horsepower ‐ Yamaha 9. May 30, 2018 · The problem with the 80 and 85 hp inline 4’s was that they used the same water pump as the inline 6 cylinder. Factors such as the boat’s material, size, weight, age, hull shape and maintenance all affect speed. Calculate the speed of your boat with this Boat Speed Calculator. 0 gph at best cruising speed. 2 seconds Noise (idle/cruise/top): 66/77/84dB (A) Weight: 27kg Warranty: 3 year Contact: www. I want to acomplish the highest top speed We would like to show you a description here but the site won’t allow us. Rigged with the optional 4-stroke Mercury 150hp outboard The Yamaha 85AET is a 2 stroke, 85 horsepower, Outboard with Electric starter and Power Trim & Tilt. Mar 31, 2009 · Re: adjusting idle on 1985 85hp force Idle speed in neutral should be somewhere around 1000 RPM. In this video from Boats. With its unmatched power, lightweight design, durability, advanced technology, fuel efficiency, and ease of maintenance, this outboard motor offers an exceptional boating experience. How can I increase the top RPM to near 5500? Mar 24, 2024 · Once you buy a boat you want, it is time to determine what size outboard motor for what size boat. These incredible engines represent the pinnacle of outboard technology, delivering breathtaking performance and pushing the boundaries of what's possible on the Jan 17, 2025 · Key Takeaways Top Speed: The KTM 85 can reach speeds of approximately 60 mph, making it a top contender for young riders seeking performance. 3; in other words, a riding lawnmower produces about 0. To remove the gas from the existing tank you can use a manual primer bulb/hose kit from Pep Boys or elsewhere. The 85A is the oldest model in the Yamaha outboard lineup to continue to sell in its original form without being replaced by a new-generation model. 56" respectively. Jul 15, 2025 · Meta Description: Yamaha, Mercury, and Suzuki consistently rank among the top choices for recreational and professional boaters alike. To be more precise, the available engines and their horsepower ratings in each class are as follows: Element (Deck boat): 40-150hp (OB only) DX (Deck boat): 115-250hp (OB or I/O) VR (Bowrider): 115-250hp (OB or I/O) Trophy (Center Console): 90-300hp May 15, 2024 · The Boat Horsepower to Speed Calculator estimates the top speed of a boat using the engine's horsepower and the boat's weight. How Fast is a 4 HP Yamaha Outboard? The top speed of a 4 HP Yamaha outboard on a small dinghy or jon boat is about 5-10 mph. It runs smoothly at 1900 or 2000 RPM. reduction ratio 2. So from bottom to top you have postion 12345,maybe it would be easier if i put a pic of it up. Jul 9, 2010 · motor runs awesome its on a 1985 bonito 16 ft boat cc i just rebiult the carbs and all 4 cylenders have good blue spark but it only runs 35 mph ?? idk why maybe prop ?? but i also have about 450 lbs of peaople on the boat 18 gal tank of fuel full and 3 marine batteries fishing trackle etc. Don't forget the hard top adds a bit of wind resistance, and probably a big vacuum behind the cabin. The piston displacement is 66. Proper prop selection is done for a boat/engine/usage package, not for an engine alone. Thank you. We performed the full conversion to a 15+hp including the carburetor, leaf-valve spacers, and polished 15hp exhaust tube. Not scary fast, but more than enough umph. 45 knots 0-top speed: 5. correct? or would it just not be putting power to the coils (hence no fire?) just trying to include everything I know about it. It may be 5000. Replaced the stator, spark on all three. 5-3. 25x17 Speed: 36 mph @5100 with full tank and 2 adults. pdf) or read online for free. WHAT YOU’LL NEED Gather basic information about your boat, outboard (s), current propeller, and performance goals. 9 C. Online parts catalog and diagrams make it simple to search by the Year, Outboard Serial or Model number. It has been produced from 2002 to 2023, It has a maximum speed of 60–68 miles per hour (96-110 kilometers per hour). We are looking for the class leader among six candidates Nov 4, 2024 · Picture this: you’re out on the water, the sun is shining, and you’re enjoying a perfect day of boating. Verado® outboards are a call to adventure. To be more precise, the average top speed within each class is as follows: 2. com Click here for a pontoon boat speed calculator and chart with details on the typical sized pontoon and engine horsepower so you can understand better how fast your boat could potentially go. 5 mph) Aug 7, 2006 · I have a 1988 85hp Force outboard. Enter the boat’s engine horsepower (HP). Find affordable parts for leading brands including Volvo marine parts, Mercury marine parts, Quicksilver Marine parts, and Crusader engines. Thanks! Yamaha 85AEDL- 2 stroke boat engine with 85 horsepower (HP), the fuel used is gasoline ( gasonline ) 16-valve dohc engine with optimal rpm rotation at 4500-5500 r / m provides strong thrust, fuel consumption 35 liters / hour with a mast height of 20 "making it suitable for tall ships, the starter system can be manual or electric Jun 11, 2013 · Re: '88 Force 85hp low top speed? 30-35mph is about what my 85hp pushes my old tri-hull fully loaded with 12 gallons of fuel, 2 adults, one kid, cooler, and misc gear on flat calm water. The boat speed calculator determines the top speed of a boat based on the boat's power and displacement. An engine with a lower-unit gear ratio of 1. As a reference, here’s a test on a 12. In other words, you can determine the fuel consumption of an outboard motor in WOT by dividing its horsepower by 10. 9 HP 2‐Stroke 1984 and Newer F9. This often comes at a cost, although on this occasion it isn’t the most expensive on test. I had a heavy 16’ fibferglass bass boat with an 89 85hp force. Engine Specs: It features a liquid-cooled, single-cylinder, two-stroke engine with a power output of around 25 hp, providing quick acceleration. Sep 17, 2007 · An 85 hp outboard uses a lot of gas per hour even cruising at normal speeds. Aug 7, 2006 · I have a 1988 85hp Force outboard. As you can guess, there is no magic formula for estimating it precisely, but you can get rough numbers when you check relevant information. Thank you! Apr 10, 2012 · Re: 1975 Mercury 850 Thunderbolt 85hp 75 was the last year that Merc. The outboard comparison With regular maintenance and proper troubleshooting techniques, you can keep your 85 hp Force outboard motor in top condition, ensuring dependable performance for years to come. It starts and idles well, but when I open it up to 5500 RPM, it only runs for about a minute or less before shaking severely, as if one or two cylinders have stopped firing. Convert horsepower (HP) to boat speed (MPH) easily. 5 gph at full throttle, which can be decreased to 2. and old style switch box. however it looks like that runs to the solenoid. But even at this size there are significant differences between the makes and May 3, 2016 · The 125 hp 2 stroke motor was the only motor available and the max rated motor in 1987 for the 18 ft Bass Trophy. Customer: Good morning, I have a 1990 Yamaha 85 HP 2-stroke outboard motor. Featuring a smooth and efficient V6 powerhead coupled with advanced Digital Throttle & Shift (DTS) control capability, the 150R is the premium propulsion choice for high-performance RIBs and runabouts. Jun 15, 2016 · Engine Height: mounted in second hole from bottom Prop: Solas Rubex 14. The entry-level model in this breed is the DX2000, which is marketed with a 20-foot hull fitted with 115/150hp outboards. Select the hull type from the May 12, 2010 · Re: 1987 Force 85 HP - Which Prop to use 15, 17 or 19 pitch? i have an 1988 16 foot bayliner/trophy Center console. Find a detailed engine comparison to help you make the right decision. Now that is a much bigger boat, it is 7 inches longer but 18 inches wider and the beam is carried much further forward than on your boat. Beginning in mid-1992, Mercury Marine (who had acquired Force Outboards) began using Mercury May 6, 2012 · Re: 1985 Force 85 HP No Spark w/ new cd module also I just remembered the breaker switch to the left rear of the outboard is continuously tripping. <br /><br />To assess what you have now: Take your boat out with a light load. When it was first released in 1978, it had the largest horsepower in the Yamaha lineup and was soon selling throughout the world. 6" seacraft with a 1984 in-line 6 115 hp top speed with one person and 6 gallons of gas turning a 13 1/4 x 17 aluminum prop is 38 mph on the gps<br />boat weighs 1600 lbs<br />i weigh 195 lbs We would like to show you a description here but the site won’t allow us. 4 HP 2‑Stroke Engine, Form the Year 1980 to 1983 4. Jun 12, 2006 · Re: How fast should a 115 go? I own a 1976 20 foot "19. The long-selling 2-stroke outboard motor “85A” roud tradition of Yamaha technological innovation over he past five decades, there are a number of models that have maintained devoted followings of satisfied customers without changing in look or reliab Wide open throttle RPM range chart for Johnson powered boats. Don't care about fuel economy or technical details, and 99. To choose the best prop pitch for a pontoon boat, consider the RPMs, propeller material Boats with multiple Verado outboards can be paired with Joystick Piloting for Outboards, and soon, Mercury Joystick Steering for Single-Engine Vessels will be available for boaters who want one-handed shifting and steering control when operating at low speeds. Run it to top speed and note the rpm. Parsun 85HP 4-stroke outboard motor is equipped with electronic fuel injection, which does not require a battery and provides excellent fuel economy, easy start, slower trolling speed, quick throttle response, lower emission and very smooth rides on the water. Overall, the high-horsepower Verado lineup includes our most powerful outboard offerings. if that were the case i wouldn't be able to turn it over. 5 - 45 HP HERE 90 - 150 HP HERE NOTE: Beginning in mid-1992 Mercury marine, who had acquired Force by then, began using Mercury-style serial numbers for identification, beginning with serial number E000000. prop pitch=17in. Key Takeaways Based on the average estimates for pontoon boat speed, RPMs, and gear ratio, the best prop pitch is either a 13-inch pitch or a 16-inch pitch for the least amount of propeller slip. This entry-level outboard features an 85cc, 4-stroke, carbureted, single-cylinder engine rated at 2. Shop for original Mercury Outboard Parts and motors. This shows how powerful the link between boat horsepower and speed is. How Fast Does it Go? For estimating the speed for small outboard planing boats see Planing Speed Boat Chart below. Idle in forward gear in the water should be around 700-750 RPM. 9. Propeller Pitch Charts: A Roadmap, Not a Destination Propeller pitch charts, offered by boat manufacturers, outboard motor companies, or aftermarket propeller suppliers, provide a starting point for selecting the right propeller for your boat Jul 12, 2024 · Boat Speed and Horsepower Calculator Cruiser Planing Hull Racing Runabout Hydroplane Calculate Speed Calculate Horsepower A single 2,000 horsepower boat can hit speeds over 150 mph. 5 / 8 HP, 1980-2005 7 HP Commercial, 1991-2000 Dec 1, 2003 · Just wondering what the top speed might be with a 1983 85 hp on a 17. 1977 Johnson 85/115 HP Outboard Motor Service and Repair Manual # JM-7709 85HP 85EL77, 85ETLR77, 85TXLR77, 115HP 115EL77, 115ETL77, 115TXL77 . (GPS) Slip: i'm sure it does I think i'm a little over propped. Loosen the locknut and unscrew the screw 1/8 turn at a time to lower idle speed. IX. I. The bore and stroke are 2. Typically a 19 or 17 pitch prop would be the most you would want to use. 88" and 2. This engine turned out to make so much power that we had to INCREASE the propeller pitch to the maximum offered 11" (9"x11") to keep it from over-revving. Having acceleration problems with your outboard engine? Here are a few things to check for troubleshooting outboard speed problems. F85 EFI Outboard Motor F85 is based on the same block as the F115. We would like to show you a description here but the site won’t allow us. Mar 14, 2010 · Hello every one I was on the water today, and maximum boat speed 35 mph (1986 18 feet bayliner capri and 1987 merc force 85 hp outboard motor) . Motor is reluctant to start cold. Evinrude/Johnson - Aluminum 4 Deluxe-8 HP Pin Drive, 2-Stroke 4 & 4. recreational engines only, as sold to the general boating public of the time. Mercury 40 ELPT 4-stroke outboard motor specs: Rated power, bore and stroke, fuel system, cylinder block, piston and piston rings, gear housing, engine oil, service intervals Apr 22, 2024 · OEM parts for 85 HP Mercury Outboard models. pdf download MODEL YEAR CHART 50 to 85 HP 3. Jul 19, 2009 · Re: Speed of Aluminum boat with various outboards Re: Speed of Aluminum boat with various outboards Flat bottom jon, or V-bottom tinny? Makes a difference. Get results in various units, including knots, km/h, mph, and more. But as mentioned, the thing was a gas guzzler. The Yamaha 85 AETL has a transom height of 20in. 2174x17=35mph We would like to show you a description here but the site won’t allow us. 50:1 means that it takes 1. The RM85 is known for its bottom to mid power, and turning ability. You should see around 5000-5500 RPMs at WOT with the correct prop. Mar 24, 2023 · outboard-motor Outboard Motor Top Speeds – HP 5-400 By John Jenkins March 24, 2023 Outboard motor top speeds vary drastically depending on the type of boat, the load being carried, the surface and weather conditions. To these values we Force 85 HP 1987 Motor Won't Throttle Above Idle Issue Force 85 HP motors may face throttle cable binding and carburetor linkage sticking, limiting RPM increase. These cooled almost too much at low speeds and they could wear out or round. Electronic ignition. Best/worst used outboards in 70-150hp range? - Moderated Discussion AreasHop to: As a rule of thumb, the top speed of Honda outboards is between 5 and 75 mph. It is We would like to show you a description here but the site won’t allow us. The speed is influenced by the dynamics and resistance of different hull types, as well as the power output from the engine. 3-20 HP (Portable): 5-28 mph 25-100 HP (Midrange): 21-47 mph 115-250 HP (High-Performance): 38-75 mph (Note that the available speed of these motors greatly depends on the specifications of the boat, the load, and environmental conditions Description Parsun 85HP EFI 4-Stroke Outboard Motor w/ External Fuel Tank Power your adventures like never before with the Parsun 85 HP Outboard, a high-performance motor designed for speed, strength, and reliability. The rpm should reach near the top of your engine's operating range. an example would be; wot rpm 5000. This is a modified 1983 Johnson 9. 3 mph for one horsepower. It would great to have some of the Mercury in-line 6 experts here give their opinions on how these five categories of top-of-the-line HP engines rank in both top end speed and overall best performance. 95 shipping. 5 HP and is exclusively available with tiller steering and a manual start. We recommend using 4-blade propellers because they are more efficient, and the pitch required is also lower. Flat $4. with an 85 hp force and i run the 13x17 and my engine rpm wot is 5000 5100 and a top speed of 35 mph One of these models is the "85A" 2-stroke outboard. Boat is 17' Aug 10, 2016 · If you choose a 50 hp 4 stroke they estimate top speed will be 34mph, a 60 is estimated to go max 37 and with a 75 hp 4 stroke they advertise a top speed of 40 to 41 mph. These boats are available with both outboard and sterndrive engines with engine power up to 250 HP. 2 on my GPS. I've watched the carb and timing videos, but my motor is a little different, and I'm not the most mechanically inclined. 5 HP DELUXE 2‑Stroke, Form the Year 1986 to 1995 5 to 6 HP 4‑Strokes, Form the Year 1997 & Newer 6 to 7. 91 rpm. 2-0. Dec 11, 2021 · Resources Are Suzuki Outboard Motors Any Good? (Explained) The Best 200 HP Outboards Roundup: Mercury, Yamaha and Suzuki How much vibration in an outboard is normal? Most common faults on Suzuki 4-strokes Suzuki Outboard Motor Troubleshooting Guide 6 Most Common Problems with Suzuki 140 Outboard Your speed will depend on how long the boat is, the weight of the gear, number and weight of passengers. Jun 5, 2024 · Example: ( (4 x 1540 x . I have the 17 ft model which only came with a 85 hp 2 stroke. How Fast Can a Bayliner DX Deck Boat Go? The top speed of a Bayliner DX deck boat can be anywhere from 40 to 47 mph. Jun 13, 2007 · Re: 85 hp evinrude slow to get to top speed? Sounds like you have too much prop for the motor (try reducing the pitch by 2 or maybe even 4 inches -- drop from a 21 pitch to 19 or 17 pitch for example). Jul 25, 2024 · Boat Horsepower to Speed Calculator This calculator estimates the speed of a boat based on the engine horsepower, boat weight, and hull type. How Much Fuel Does an Outboard Use? General wisdom says that an outboard motor running at WOT uses 10% of its rated horsepower in gallons per hour (GPH). Mercury outboard motor was made for the saltwater environment. 1987 (B) motor. Try it now! Jul 11, 2022 · BOOTE takes a close look at the newly formed 60 hp class of outboards. This means that trying to gauge the appropriate top speed for an outboard motor you want to choose can be tough. I put a 125 hp Force on it because I was hoping for more speed and I ended up with only about 5 MPH. I have upgraded many engines with the CDI brand 114-2986 switch box, it has a hotter spark and the engine fires and warms up faster and produces better proformance. Just power coming off the prop on an absolute Outboard Motor Mileage Chart Listing the Approximate Fuel Consumption of Outboard Motors A number of factors influence outboard mileage: Things like hull shape, weight and sea state As a rule of thumb, running at Wide-Open Throttle, a gas outboard motor consumes about 10-percent of its rated horsepower. Light enough to carry but powerful enough to punch a tide, they are the workhorse of the tender fleet. Aug 2, 2020 · Find detailed specs and performance information for the Yamaha VF115LA outboard motor paired with a Xpress H18 boat. It is ok May 17, 2009 · Re: Average speed for 85hp motor on older boat (Ozark Angler) I have a 1977, 16 foot Streaker (I have a picture of my boat in the "Rare Brands" section on this site if you want to look at it) I have a 1974 85 HP Evinrude on the back and the fastest I have got so far is 41. Build quality – 5/5 Yamaha arguably Large selection of quality mercruiser parts, marine engines, marine parts, boats parts and accessories, such as Mercuiser engines, exhaust, motors, and other boating supplies and accessories. The Square Root of (Total Shaft Horsepower / Weight ) x Constant = Speed The maximum speed of your boat including outboard motor is difficult to say. yamaha-motor. Whether you’re cruising, fishing, or engaging in water sports, the Yamaha 85HP delivers strong acceleration, responsive handling, and the power you need to navigate various water conditions. I have a 85 HP outboard (model # 85ESL73M) Bought it in 2007, installed a new power pack and had both carperators Yamaha two stroke 85 test run Yamaha two stroke 85 test run Yamaha two stroke 85 test run Yamaha two stroke outboard 85 test run The Highest Horsepower Outboard Motors: Powering Your Biggest Adventures The highest horsepower outboard motors are the ultimate choice for boaters who crave exhilarating speed, unmatched power, and the ability to conquer any waters. How Much Fuel Does a 60 HP Yamaha Outboard Use? 50 and 60 HP Yamaha outboards feature the same engine architecture, so the fuel economy of these models is quite similar. Wide open throttle RPM range chart for Mercury powered boats. Try playing with the trim, and swapping props with different pitches to get the performance you want. With its smooth power delivery and Apr 25, 2022 · Suzuki uses a two-stage gear reduction that lets the manufacturer spin a larger prop than a competitive outboard of the same horsepower output. Dividing these numbers will result in an mph/HP ratio of 0. 3:1=2173. And here we mainly discuss the pounds to thrust on the boating field with a relatively limited thrust range commonly seen as below and not the jet engine field. The cheapest Mercury outboard motor is arguably the portable Mercury F2. What is the best tilt position on a small outboard like that to get my top speed?It has 5 tilt positions on the motor. One way that manufacturers of outboard engines manage how the power is applied to the water is a reduction gear in the lower unit. I have a 40hp on a 14ft F/G whaler style boat and I run about 58KMH with a 13" pitch prop and about 68KMH with a 15" pitch prop. Suddenly, your outboard motor sputters, loses power, and leaves you adrift. after u determine the rpm of the prop shaft, u can then determine the theoretical speed by how fast the prop will rotate at wot. For more information, click here to download our Runtime, Speed, and Horsepower Formulas Chart. 5 bayliner, Also would it do harm to troll with this motor? I'm trying to decide If I should swap with my 85 hp force. CONCLUSION:the Yamaha 85 HP Two 2 Stroke Outboard is a top choice for boaters seeking power, performance, and reliability. Mar 24, 2008 · I hear people say that their 85 hp motors will go 30-40mph but my top speed has been 22mph at full throttle, if i push the throttle down as hard as I can it starts to run a little rough. Initially, I lost spark to #3, and it turned out to be a bad stator. <br /><br />I traded for a (new) 85 hp which had plenty of power. 5 HP motors can reach a top speed of 4-10 mph depending on their features and the boat’s specifications. Browse Performance Bulletins here. Battery CD Tester This is used to test battery CD modules on the engine by replacing the points or triggering device electronically. Jul 10, 2019 · Engine Type Outboard Horsepower 350 Engine Model Verado Boat Brand Chris Craft Boat Model Calypso 30 The speed of an 85 hp Yamaha outboard motor is influenced by several key factors, including the size and weight of the boat it powers, the load it carries, hull design, water conditions, and propeller configuration. 9 power factor. The reliable two-stroke engine produces smooth power at any rpm with an emphasis on low- to mid-range performance. So a 250-horsepower outboard motor, at Wide-Open Throttle (6000 rpm), burns about 25 The 2022 RM85 continues to carry on the powerful tradition of racing excellence in the Suzuki motocross family. Lightweight Design: Weighing about 77 pounds, its lightweight frame enhances maneuverability and control for Apr 1, 2025 · What should you do when your outboard engine is puttering instead of purring? Luckily there are some common reasons outboard engines act up. Below 700 RPM and the engine will stall while docking. Then you will Apr 2, 2006 · Re: Is 85hp Force motors any good? I had a (new) 45 hp Chrysler on a 16' boat and it was obviously under powered. How can I increase the top RPM to near 5500? We would like to show you a description here but the site won’t allow us. Mercury Marine uses the following formula to estimate potential top end, this calculator uses this formula. Oct 7, 2020 · Maximum Boat Horsepower Calculator If you’re curious to know what the largest engine you can legally put on your boat is, try this calculator. Get a quick estimate of how fast your boat can go based on engine power. This is adjusted by the idle stop screw on the tower where the carb link ball end is. Force (and Chrysler, which became Force in 1984-85) tended to make as many as 15 variations of a given motor in any particular year, many with not-quite-the-same parts from one to another. Your With a power output of 85 horsepower, this 2-stroke outboard motor provides robust thrust to propel your boat with speed and efficiency. This chart should be used for general estimates only. 9m rib - total weight including people is about 190kg - seconds question: much of a top speed difference between a 15 and 20? Apr 6, 2015 · In the process of debugging and tuning my 85hp force. In the 85cc class, the RM85 has the same horsepower as the KX85 around 25-30HP. 5 HP, 1980-1986 6 / 7. Nov 10, 2022 · Details of Johnson Outboard Propeller Chart 4 to 8 Horsepower All Models Boat Engine Propeller Chart Horsepower, Model, and Years of the Boats. used the Thunderboilt dist. Determine Thrust Requirements for your Boat Thrust requirements are determined by the size and weight of your boat. These 1. Free Shipping on water pump impellers, propellers, anodes and SmartCraft accessories. But how do you pick the high-horsepower outboard engine that is best for you? Buy OEM Parts for Yamaha, Outboard, 1989, 85HP, CV85ELF Compare Yamaha outboard engines and find the ideal one for your boating needs. H. 5 HP 2‑Strokes, Form the Year 1980 & Newer Dec 22, 2024 · Outboard motors in the 20 hp class fit well on inflatable boats or open sports boats - like our test model Terhi 450. Performance Boating - Manufacturers specs. How to Use: Enter the boat’s weight in pounds (lbs). 9 4‐Stroke 2000‐2007 Check out the Yamahas YZ85 top speed and power. It really depends on your prop, load in the boat, trim, water conditions, etc. It runs fine, but the top RPM is only 4000. net Wide open throttle RPM range chart for Evinrude powered boats. Dec 15, 2013 · Hi there, I've been looking for a 60-85 hp used outboard this while, and last week I found one which price is quite cheap (motor + steering + This easy-to-use boat prop calculator will help you to determine how a change in pitch size will impact your boat's top speed. Evinrude Omc 85 Hp Outboard Boat Motor For Sale Power Tilt, Very Clean! Freshwater Used! Short Shaft Length 20" Mint Condition Ready To Fish! Yamaha Outboard Performance Bulletins provide in-depth performance information on hundreds of boat and engine combinations. Just like its larger RM-Z cousins, the RM85 delivers class-leading handling for both experienced racers and rookie riders alike. Condition of motor, prop, boat weight and condition, hull configuration, motor setup on boat, etc etc etc. 5’ fiberglass boat in windy conditions: (top speed is about 5-6. How Fast is an Outboard Motor? How Fast is a 1. Sep 16, 2023 · Here’s how propeller pitch is typically displayed: Example: 14 x 19 This means the propeller has a diameter of 14 inches and a pitch of 19 inches. . This outboard has starter of the electric type and power steering as well. Aug 4, 2022 · Top Speed for a 15HP Mercury 2015 4-stroke Outboard Motor in a 15-foot Jon Boat Buck Creek TV on YouTube pushed his 15HP Mercury 2015 4-stroke outboard motor up to 15mph in his 15-foot flat-bottomed Topper Tracker jon boat with 3 adult men on board in fairly calm lake conditions, tracking his speed with a Garmin GPS device for a car. Aug 29, 2011 · I have one more question. Remember, on outboard charging systems at idle speed the current is @ 1/5 of the current rated. When boating at best cruise speed (typically 3500-4000 RPM) the fuel consumption drops to roughly 40-60% of the WOT fuel burn May 19, 2021 · Kinda curious if anyone has the same setup as I am working on. The engines of these machines generate 17-24 HP, which ensures a top speed of 4-6 mph. 88 Free shipping Sponsored Jan 16, 2014 · Re: Force 85hp low top speed According to what I see out on the internet, that propeller is a 21 pitch. I also have a 15x15 that is cupped but i cant get anymore RPM's out of that one either and top speed is 35 with 2 ppl and full tank of fuel. P. The 150R outboard is the perfect entry point for sophisticated boaters seeking the performance and luxury refinement of Mercury Racing R-Series power. This 85 H. and the AETX of 25in. 2 days ago · 1980 Johnson V-4 85 100 115 140 HP OMC Outboard Service Manual JM-8010 PRIORITY $74. We will rely on the published data from the manufacturer for all measured values. Easy-to-use part diagrams. Too much pitch for that 85HP motor. There are so many factors that affect boat speed that it is hard to make accurate estimates of what the real top end will be. I have to put it in fast idle, and give Large selection of quality mercruiser parts, marine engines, marine parts, boats parts and accessories, such as Mercuiser engines, exhaust, motors, and other boating supplies and accessories. Its a 1990 Bayliner Capri currently has a 50 hp force. Upgrading to 85 hp force anyone know what speed I will or should get. 5 HP with a modest price tag of $1,000. Serial Number: 3865695 RPM Information: 4800-5500 Aug 24, 2010 · If the 1985 Force 85 hp is actually rated 85hp at the crank, and not the prop, then accounting for the change in hp rating, plus wear and tear, I would think a 70 hp Johnson/Evinrude could push the boat to 35 mph. Hebert This analysis will compare two modern 90-HP outboard motors to see how their rated power, rated speed, and various combination of gear ratio and propeller selection can affect the boat speed that might be produced. I think your 85 tops at 5500rpm, but check it out. PPT is an A+ BBB rated Authorized Mercury Marine Engine Parts & Accessories Dealer. One of these models is the "85A" 2-stroke outboard. ksadm dgw mlepcxhc glutg hygikk pydy jcftkxcu zekl xswnc hacce