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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
04 crf250
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[QUOTE="MikeS, post: 856758, member: 18813"] There is an article here in the Forward Motion section that appears in Dirt rider Mag. It will answer alot of questions. The CRF250R is a Race Bike. It is a high revving machine like a 125 2 stroke with more moving parts. The 4 stroke piston has a small skirt. It wears fast 20 hours of hard use. Our 125 ate pistons almost as fast. The valves need to be checked alot and shimmed, once they wear, you replace them. It could take week's. months. days for this to happen. Too many factors apply. We have one that was raced last year for around 500 miles plus trail rides, 2 pistons and a set of valves replaced. So that is not bad IMO [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
04 crf250
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