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04rm250 - few questions!
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[QUOTE="_j0kA_, post: 827726, member: 28083"] hey, i did the top end on my bike about a month ago after 120 hours.. ever since then and i think 2 rides before i did the top end it has fouled plugs on start up.. i bent the float tab a tiny bit (never measured it because i couldnt figure out how) and it helped, it would go about two rides before fouling then.. now its back to the same foul everytime i start it (after it has been sitting, say for an hour or overnight).. i turn the petcock off when storing, the choke seems to be working fine, air screw is 1 3/4-2 out, clip position is at the very top, 165 main instead of 172.. im stumped, i dont know what the problem is?! before i could pull a plug out after a months riding time and it would be a nice tan color, not oily or black.. now even if i put a new plug in it turns black the next day?! the weather/humidity/etc hasnt changed, yet my bike is fouling plugs? im still running the stock 50 slow jet but have a leaner one on order just in case.. but i dont see that as my problem as it didnt do this before with the same slow jet.. i would like all possible solutions.. marcus suggested my crank seal went bad but i have no idea how to check that.. if i put a new plug in it will run all day until i shut it off for an hour or more, then when i go to restart it she fouls.. second question, i changed the oil today and looked inside the hole where the bolt goes to, on the clutch side in the threads there is a hole there.. ive never noticed this before, has it always been there or is it something new? can someone check on their bike? thanks again.. Dan [/QUOTE]
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Dirt Bike Brands - Other
04rm250 - few questions!
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