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Discussion Starter · #1 ·
Potentially taking a 2010 RC8 with 5,400 miles in on a trade. Bike starts up but has a significant knock. Some people are saying cam chain tensioner or valve need shimmed severely. I’m worried of a full motor rebuild. Also curious on a ballpark estimate of what a full motor rebuild would be for the lc8. I can’t upload a video here but if someone wants to listen and help me out and I can share the video on facebook.
 

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Dirt Wizard
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4,510 Posts
Welcome to the forum.
I don't Facebook sorry, can you pin point the noise? Is it in the cam area. Have heard of hard facing coming off the cams not 100% sure.
One of the rc8 guys would know more than me. Don't know whether me mate @Sideshow would know.
 

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Full Throttle
2008 RC8 / 2007 690
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6,807 Posts
Potentially taking a 2010 RC8 with 5,400 miles in on a trade. Bike starts up but has a significant knock. Some people are saying cam chain tensioner or valve need shimmed severely. I’m worried of a full motor rebuild. Also curious on a ballpark estimate of what a full motor rebuild would be for the lc8. I can’t upload a video here but if someone wants to listen and help me out and I can share the video on facebook.
you can share links.
 

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Potentially taking a 2010 RC8 with 5,400 miles in on a trade. Bike starts up but has a significant knock. Some people are saying cam chain tensioner or valve need shimmed severely. I’m worried of a full motor rebuild. Also curious on a ballpark estimate of what a full motor rebuild would be for the lc8. I can’t upload a video here but if someone wants to listen and help me out and I can share the video on facebook.
The knocking can happen if the bike is over revved. A shim can become dislodged thus causing the noise.
 
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