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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
CRF 250 R will not start
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[QUOTE="Ol'89r, post: 1428806, member: 17212"] The CRF engine is a modern, high revving engine and you can't put that many hours on them without doing some maintainance. They run at a high RPM and have a very short piston. They only have two rings and if you let them go too long without changing the rings and or piston, you are taking a chance of destroying your engine. The piston skirt can break and the piston can turn sideways in the cylinder taking out a whole bunch of very expensive parts in the process. The valves need to be checked often. They can also break the heads off and cause extreme damage to the engine. You can either spend some money now to do the proper maintainance or spend a lot more later to fix a blown engine. Remind me never to buy a used motorcycle from you. ;) [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
CRF 250 R will not start
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