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crankcase

  1. Ktm 690 crankcase breather

    KTM
    New to this forum. I have a Ktm 690 enduro that I turned supermoto. Wings slip on, Rottweiler intake, power commander. I recently blew the engine and has been rebuilt with new valves etc. doing break in miles now. I noticed that there is an open hose sticking up near the Rottweiler filter now...
  2. Yamaha WR250X crankshaft problems

    Yamaha
    I am considering replacing my crankshaft in my 2008 Wr250x, due to some unacceptable side to side rod movement. I’m wondering if anyone can help me with which crankshaft i should order as well as what other parts i may need to replace in the crank case. any help is greatly appreciated
  3. YZ450F engine or crankcases 2014 2015

    Wanted
    Hello Looking for a whole engine or set of crankcases for 14/15 YZ450F. Dead or alive. Not fussed if a rod, crank or gearbox has failed in them. Let me know if you have something available Cheers
  4. bike setup... crankcase breather... 08 crf450r

    Ryan Moore's Supermoto Street Style
    what have you wheelie'ers been doing with this? just checked schematics and i am pretty sure it is the same system used on all crf450's and crf250's... (and probably every friggin' 250 or 450 there is) there is a tube from the top of the valve cover about 6 inches long, a tee, then one tube...
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