rm125 questions

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8/17/2017 1:22 PM

okay so the 1st question I have is can anyone recommend a good jetting spec for a 06 rm125 with a full fmf, I've looked on fmfs website and their jetting chart only goes to 2003.
2nd question, does anyone know why my bike would have a water/oily base coming out of the pipe that kinda smells like antifreeze? I just repacked the silencer so I'm thinking maybe blown head gasket? I run maximum premix with high test at 32-1 if that helps.

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8/17/2017 6:34 PM

zac_k3 wrote:

okay so the 1st question I have is can anyone recommend a good jetting spec for a 06 rm125 with a full fmf, I've looked on fmfs website and their jetting chart only goes to 2003.
2nd question, does anyone know why my bike would have a water/oily base coming out of the pipe that kinda smells like antifreeze? I just repacked the silencer so I'm thinking maybe blown head gasket? I run maximum premix with high test at 32-1 if that helps.

Blown cykinder head O-rings or warped head/cylinder sealing surface. (most likely is the O-rings are toast). disassamble, check head and cylinder for warpage with straightedge/glsss plate and feeler guage. anything over .002" warp needs to be re machined (minimum clean up on cylinder sealing surface/head sealing surface). just remember to remind machine shop...whatever they take off the top of the cylinder they have to take out of the O-ring grooves as well .......

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