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Message: [QUOTE="Moosepuck, post: 1166164, member: 76035"] Hello all, I'm completely new to the dirt bike scene... I just bought a 1991 Kawasaki KX125 that had very poor performance on the low end, it's just been through the usual tune up.. I took the carb apart today and found that the pilot jet was pretty gummed up... put it all back together after cleaning the carb and it's a little better but still VERY sluggish off the line, you really have to nurse the throttle up to get her going...once she gets up in the RPMS a bit, she hauls like crazy.... I read one post from long ago that the jets may have been too large from the factory...is this common on these? Since it runs great at high RPM's can I assume my compression is good? It will rev up fine, but in gear, I can even rev it up and drop the cluth from a stand still and it'll bog down heavily....I've tweaked the pilot air screw in and out between 1/2 turn and 3 turns without much result to show... (and some other screw that above that one).. I just ordered a manual for it.. I have to say that it's awesome how easy these babies are to take apart!...just awesome! It's a blast unless you're trying to run low rpm's ... any wisdom available?? Thanks in advance... Moose [/QUOTE]