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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
RM 250 fouls up spark plugs-need advice
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[QUOTE="a454elk, post: 752825, member: 23609"] When was the last time you did the top end? Pull off the head and look at the top of the piston and cylinder walls. Maybe oil is splashing up and getting past the rings, not sure but I'm also not sure what the compression is supposed to be. But if you at leasy look at the head area and go even further and pull off the cylinder, you can see how much blow by is going on. I'd go through the carb and make sure all the circuits are clear and the slide is working right. Go to the stock settings and start from there. If you have a stock bike, no pipe, silencer, so on, then staying near stock should work. Also, check the reeds, maybe they are allowing too much past and not working right. Did any changes occur with your bike since this happened or did it happen all of a sudden after working right? Did you change out something? We'll try and help if we can, there's enough of us here for that! [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
RM 250 fouls up spark plugs-need advice
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