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crf 180 mod
  • 150scot
    Posts:7
    Joined:Sat Jul 19, 2008 11:31 pm
    crf 180 mod

    by 150scot » Mon May 04, 2009 2:36 pm

    has anyone put a 180 piston and head onto their 150crf?any problems?will crank take extra strain on standard bottom end?
  • Collin
    Posts:176
    Joined:Sun Nov 18, 2007 1:18 pm

    by Collin » Mon May 04, 2009 8:22 pm

    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.
    "Speedy"
    08 CRF150RB (sold)
    07 CRF150R (sold)
    TRX250ex
    Dads CRF250X (sold)
    Racing Hare scrambles on KTM's
  • 150scot
    Posts:7
    Joined:Sat Jul 19, 2008 11:31 pm

    by 150scot » Mon May 04, 2009 10:37 pm

    i run a heavier 428 set up.how much are 180 mods?
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