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Hey guys - I have a question. How many of you have had either of the following for the 2015/2016 YZF-R1 -

1) Spun or damaged or destroyed crank bearings? If you have can you tell me which one. The bearings are labelled from the left side (when sat on the bike J1, J2, J3, J4 and J5-clutch side. The crankpins (big end bearings) are labelled P1, P2, P3, and P4 - again left to right.

2) Broken/damaged balancer shaft and/or bearings.

3) Broken/damaged/crack crankshaft.

Any pictures of just general info would be great - Thanks
 

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I am working on mine which had spun bearings and had to replace the crankshaft and a rod. What kind of questions do you have?
 
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