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Honda MX & Off-Road Dirt Bikes
broken 00 cr125 and a mom that wants to fix it because her hubby doesnt think she can
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[QUOTE="Ol'89r, post: 1326882, member: 17212"] Hate to say it but, it almost sounds like he seized the top end. Or in other words, the piston seized to the cylinder bore. Sand dunes and 125's don't mix. Riding in the dunes is very hard on smaller engines. Especially with a paddle tire. They overheat and if the pre-mix oil ratio is not what it should be or the coolant system is inferior, they can seize. Incorrect jetting in the carb can also cause them to seize. You need to isolate the problem. First, try to adjust the clutch adjustment according to the manual. If that doesn't help remove the clutch side cover and inspect for damage on the clutch actuating mechanism. If that's ok, remove the clutch plates. After the clutch plates are removed, try to rotate the outer clutch basket by hand. If the outer basket won't turn or is hard to turn, the problem is in the top end or crankshaft. Then, try to turn the inner clutch hub by hand. It the inner hub won't turn, the problem is in the gearbox. You can also just remove the cylinder head and look inside the cylinder for damage if you suspect the problem is in the top end but that won't show you the big end of the crank. [/QUOTE]
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Dirt Bike Discussions By Brand
Honda MX & Off-Road Dirt Bikes
broken 00 cr125 and a mom that wants to fix it because her hubby doesnt think she can
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