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Dirt Bike Brands - Other
400f carb problems
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[QUOTE="WR400Fanatic, post: 711976, member: 31967"] hi to all, i've not been on here in a long time, but i've been having problems with my wr and thought maybe someone could help me. The bike is a 1998 WR400F, it's been acting up for a while now. the bike runs great for a while and then it starts to afterburn (pop when i let off the throttle) and soon after it does that the plug fouls. recently it's gotten worse, the plug fouls much quicker. i was looking at the carb to adjust it a little and i noticed some gas, so i started the engine and cracked the throttle a coulple times and gas would come up out of my accelorator pump around what looked to be a brass bushing. so now that the story is known, i'm thinking that i have a damaged accelorator pump diaphram. would the accelorator pump diaphram cause the afterburn and plug fouling? does anyone else have any sujestions? ~WR400Fanatic [/QUOTE]
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Dirt Bike Discussions By Brand
Dirt Bike Brands - Other
400f carb problems
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