…login to view the rest of this post4C8 rebuild
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r1 sean
- Been here too long
- Posts: 355
- Joined: Sun May 11, 2014 9:36 am
- Bike Make & Model: Yamaha yzfr1 2007
4C8 rebuild
New cylinder head with 6 k miles ,my question is it worth cleaning and porting ect?
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Last edited by r1 sean on Sat Sep 20, 2014 8:22 am, edited 1 time in total.