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Honda MX & Off-Road Dirt Bikes
CR250 weak spark? 2001.
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[QUOTE="tfreder1, post: 1109631, member: 72922"] 2001 CR250. Ive been trying to figure out this problem for weeks now. The bike starts with a new plug. I can ride for about a half hour before the plug fouls. There is a noticble power loss and alot of oil blowing out exhaust. The bike stalls then I replace the plug with a new one and it will now run fine for another half hour or so. The spark is not as strong as I think it should be. (comparing to my snowmobile.) This problem has seamed to of got worse over time. This is what Ive tried.(in order) I run Bel ray HR-1 32:1 with 92 octane. Tried 40:1. Tried Yamalube. New engine seals. Carb rebuild. stock jetting. stock reeds. Cleaned and adjusted power valve. Replaced the stator, cdi box, coil and plug cap. Tried changing the timing and pickup coil gap. Checked all wires for breaks. Have not replaced pickup coil. Thanks for any help. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
CR250 weak spark? 2001.
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