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crf 180 mod
Posted: Mon May 04, 2009 2:36 pm
by 150scot
has anyone put a 180 piston and head onto their 150crf?any problems?will crank take extra strain on standard bottom end?
Posted: Mon May 04, 2009 8:22 pm
by Collin
I think the bottom end will hold up better than the chain and sprockets. I didn't noticed until someone else pointed out that these little bikes are hard on the 420 chains they run. 8-10 hrs. of riding, mostly racing through the woods, and we are replacing chains and sprockets.
Posted: Mon May 04, 2009 10:37 pm
by 150scot
i run a heavier 428 set up.how much are 180 mods?