moving up!

All R1 09-13 14B questions and discussions specific to this model should be posted here.
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andycktm
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Bike Make & Model: yamaha R1
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moving up!

Post by andycktm »

Just wondering.....
Has anybody here moved up from a 4c8 or earlier R1 regular firing order to a crossplane (bigbang) engine?
If so what did you thin…login to view the rest of this post


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