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    Hot vale lash gpx 125

    Hi Guys, So after a few hours of riding I thought I would check my valves lash and was I surprised to find out that there was more lash when hot....after it cooled down after 3 hours I checked it again and it was tighter when cold. Thoughts ?
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    GPX 125cc Race Engine, High Comp Piston, Race Cam.

    Hi Guys Can anyone tell me what kind of HP out of these motor's ?
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    Valve Noise

    Can valves get noisier as your engine gets up to operating temp ?
  4. H

    Buying Takegawa engine

    123,138,148 or 158...what ever that's on special. ..
  5. H

    Buying Takegawa engine

    Would like it new
  6. H

    Buying Takegawa engine

    Hi Guys Wondering where i can buy a complete motor ?
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    flywheel movement

    Thx m8.. Will keep a eye on it...I have no noise from bearing or metal bit from oil changes.
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    flywheel movement

    Hi Guys Just wondering if its normal for side to side play when pulling on flywheel. .? Is about 2mm
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    gpx 125 valve springs and roller cam

    Hi guys,is there any where i can get harder valve springs and a good roller cam in aust.got the roller rocker coming from china.
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    Gpx 125cc mods

    I think i understand,so it would change the lift and duration correct?
  11. H

    Gpx 125cc mods

    Ok thx again i just thought adding the roller rockers on it would reduce fiction and giving it that little more as as the gpx cam is quite aggressive.
  12. H

    Gpx 125cc mods

    Ok thx,so its not going work at all.
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    Gpx 125cc mods

    Its exactly the same size height width just a roller on the tip not flat.
  14. H

    Gpx 125cc mods

    Dont undestand why as it had no problems running with the standard rocker and changing to a roller type, its still runs off the same profile and lift but just a roller on the cam.
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