A friend of mine recently purchased a yz125 off Craigslist so he could ride with his young son. The bike is supposed to be a 2004 however it has a plastic gear for the water pump, he ordered a new one and it is metal and the shift is bigger. We also are trying to figure out why the retainer for the seal is 3/8 of an inch away. Anyway if anybody can help it would be very much appreciated 
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