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Thread: 400 XCW piston

  1. #1

    Cool 400 XCW piston

    Iím going put a new wossner piston in my xcw 400 . Does anyone have any good write ups online about doing this ? Pretty mechanically inclined just need the torque spec info and about getting this bike to TDC etc . Thanks !!!

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  3. #2
    Lifetime Team KTMTalk FakeName's Avatar
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    Default Re: 400 XCW piston

    Um- just a shot in the dark here- but I think there's a great writeup in the service manual. Has all those specs, too!
    Paul
    2014 500EXC
    2011 990 ADV S

  4. #3

    Default Re: 400 XCW piston

    Yes for sure , if I canít find anything online I will have to drop some $$ for the service manual .

  5. #4
    KTMTalk Member kenpowell's Avatar
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    Default Re: 400 XCW piston

    I miss the YZ250 Owners Manual - it has as much info as the KTM Service Manual but it is free.
    Ken Powell
    2018 KTM 250 XC-W
    2012 KTM 300 XC with YZ SSS cartridges in WP forks - Sold to son-in-law on 31 October 2014 due to injury - still ride it occasionally
    2003 YZ265WR (WR426 trans except YZ250 2nd gear) with 2005 Slavens revalved AOSS forks - backup bike
    2003 KX125 with KDX220 motor & 2006 YZ250F SSS forks - added Rekluse EXP 3.0 designed for YZ125
    1979 Maico 250 Magnum - this bike is terrific!
    Many, many bikes until now...
    1963 Harley 175cc Scat - 1st motorcycle

  6. #5

    Default Re: 400 XCW piston


  7. #6

    Default Re: 400 XCW piston

    Might have luck at this site:

    https://kristofsx.com/enginerepairs-manual

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