1. zackbrappp44

    2001 kx125 bogging on bottom end and surging on top

    I have a 2001 kx125 this is running what pro Circuit recommend for jetting (I have a platinum pipe), but the bike seems to run rich in the low rpms and then up top it seems to have sudden surges once in a wile when I do a pull. I don’t want to ride the bike if it is going to damage the motor...
  2. vivingmx

    Help - Need Ideas - Crankshaft Bolt is Stuck! (2002 YZ125 Rebuild Project)

    Hi there, Purchased a project end of Oct. 2018... I am rebuilding a 2002 YZ125 basically from scratch. The whole bike is torn apart at this point, parts set aside for cleaning and repair, engine cases split, and am now finally at the source of the problem.... The transmission bearings are...
  3. Bike won’t start!!

    I have a 2005 RMZ 450 and it will not kickstart! The only way it starts is if I bump start it and even then it won’t idle with the choke on... someone help!!??
  4. Help 04 Cr85 main jet problem!

    So in April I bought an 04cr85, for a while the thing ran perfectly, over time it started to lose top end power, a bit from the piston wearing down, and a bit of a sputter from running too rich. I'll start off by saying bottom end rpms run fine since I got the bike till now. But I recently...
  5. Xr100R rear tire fit???

    I bought a paddle tire for my xr and its coming in tomorrow kind of to late but will a 90-100-16 fit ? ive been looking everywhere but no answers
  6. 2001 KTM 400 exc issues

    Hey i bought a used 2001 ktm 400 exc a few weeks back. The bike ran well but leaked a little gas upon starting. No issues until the last time i rode it for a solid 2 hours the bike died out on me. Now the kickstarter is completely stuck in place at the top, and the clutch has no pressure to it...
  7. Tadjohnston

    Help 2001 Rm125 need assistance

    Riding on the road on the long weekend, sounded like the top end went. When you go to kick it over the kick start was hard as hell but still moved. Would not run though. Took off the head, on certain strokes of the kick starter you can push the piston down, on some not. Kick start still very...
  8. Coolant Problem.

    Ok I have a 2007 yz250f and every time I ride it for a while I'll come back and coolant will drip out of the overflow. Every other forum really hasn't helped me with this so i'm hoping this one will. The bike runs fine and isn't overheating it just keeps dripping coolant out of the overflow...