Question about 2008 Yamaha YZF-R1
The loud knock can be a broken piston (overrev) or a spun rod bearing. unless you do this kind of work all the time ordinary teardown and cleaning techniquies are going to slow you down badly. Time is money in repair work a full motorteardown to get to the loud knock and parts aren't cheap and used complete engines can be found on E-Bay motors but they'll be interesting to see if their not stolen or damaged in some way and can you get anything back if their bad? Some are motorcyle salvage yards but they want their sales to be finished. Buy still another bike that has a good motor but is crashed in some way and conbine the two bikes. Part out the rest of the leftovers and resell them on e-Bay or craigs list. And if your lucky you'll come out alright.
Posted on Jul 05, 2010
Most likely heaps of cost is what you're looking at.
Posted on Jul 04, 2010
If it is an engine bearing knock, it may be cheaper to look for another engine, but your not going to know until it is stripped and the cause of the knock is identified
Posted on May 28, 2010
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Posted on Jan 02, 2017
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