Cr500 liger 640. Jun 28, 2009 · The engine in my '87 CR500 was probably the fastest I've ever owned. My friend cracked his OEM piston in 8 hours Ex World championship rider, but should it be like that? He usually change after no more then 15 hours. my question are what street titled crf frame would be best considering 3 factions, 1 I'm 6' 3" 175lbs, 2 It'll be for sumo, 3 the bigger sized top end with the liger 640cc BB. I am swapping the old PJ from my 1996 CR500 for a slightly more modern PWK 38mm quadvent airstriker and would just like a little advice on the jetting please:worthy: Dec 3, 2017 · Anyone else running a Lectron carb on their CR500, how does it run, any problems? I have a fresh rebuilt 1998 500 and after trying to set the pj I decided to try out a 40mm lectron. What do you guys say about it? Johnny. From the newer 500's I've owned, I would go with a '96 or newer. Mar 30, 2011 · SkyHarborCowboy Members 540 Location: Arizona Posted April 1, 2011 I've always liked the Keihins and I just put a PWK on my CR500--really nice upgrade Jun 28, 2009 · The engine in my '87 CR500 was probably the fastest I've ever owned. It also had great forks. I took the new Fatty out of the box and discovered that it is exactly the same pipe as the Gnarly. If you want bottom end, the '85 was all about that but the suspension wasn't so great and it only had a front disc brake. o1c cruf z79s jolday mrnl on44a wxrnv5v qe cfxdk cqr0