shadyone Posted November 11, 2012 Report Share Posted November 11, 2012 I blew the top end on my cr. looking at different piston kits. There are weisco vertex Oem ... Forged, cast, forged alloy. What's the best? Not looking for the most power necessarily more reliability, although I only rode about 20 hours this years so it will last me a few years most likely. Quote Link to comment Share on other sites More sharing options...
Rctaylor Posted November 11, 2012 Report Share Posted November 11, 2012 I recently overhauled my XR650R supermoto's top end. From checking reviews for my bike, I settled on an XRs Only piston kit, which has a Ross/Al-Baker piston in it.For my bike, it had the best reviews and reliability across several forums.The old piston I pulled was a Ross as well. Nothing wrong with it at all. Quote Link to comment Share on other sites More sharing options...
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