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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Opinions on buying a used "Raced" bike
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[QUOTE="nikki, post: 733118, member: 18126"] Lots of good advice here... First off - a top end for a 4-stroke will run you around $200 for parts. The 426 OEM piston is around $140, ring set around $30, and pin/circlips/gaskets $30. Yes, a 2-stroke top end is a little more labor intensive to replace than a 2-stroke, but not by that much. The biggest difference is on a 4-stroke, you'll have to deal with removing the cams, but you don't have the pesky 2-stroke powervalve assembly to worry about. Also, a 426 can go much longer on a top end than more 2-strokes. If I can put a new top end in my 250F, I believe anyone can do it with the proper guidance. But back to the raced versus not raced. I think everyone hit that on the head. More often than not, raced means better maintained than a trail ride machine. Your best bet is to get specific with the owner and find out what he has and hasn't done, and the timing of his maintenance schedule. On a 4-stroke, I would want to hear him tell you he changes the oil regularly, replaces the oil filter as needed, and keeps the air filter clean. Then I would hope that he has checked the valves every 10-20 hours and either found them in spec or, if not, reshimmed as needed. Next, depending on the time on the bike, I would hope he has done at least 1 top end and 1 clutch replacement. If the clutch is stock, you're probably gonna be putting one in the bike. OEM plates/springs will run around $110, and (if worn and notched) inner hub $60 and outer basket $240. I would also hope that fork seals have been replaced at least once. It's rare for a racer to not service their suspension over a 2-3 year period. Also check the basics, such as spokes, frame/motor mounts/footpegs for any stress fractures, check the chain/sprockets, look at the oil, look in the airbox, start the bike, check the brakes, test the clutch, shift the gears, etc. I would also ask if the crank has ever been rebuilt. Also, 426's had a bad habit of shattering the rear hub. Take a close look by the sprocket for and stress fractures or ovaling where the bolts connect the sprocket to the hub. Also check that the owner kept the sprocket bolts tight. The hub grenade can be costly, especially if the chain flies and attacks the case. [/QUOTE]
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MX, SX & Off-Road Discussions
General Moto | Off-Topic Posts
Opinions on buying a used "Raced" bike
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