@racerX comes to mind. Are you still around bud?
Quote:
Originally Posted by Fred659
Hi, it's my first post here so I hope it will be well received.
I'm in the process of building a 09 racer and searched every where and couldn't fin any data on how cc's the pregen combustion chambers have.
I found this info for the 08-12: 11.7cc
https://www.aperaceparts.com/tech/20...ninja250r.html
if someone has the info, I would really apreciate to have it.
The reason is that I want to try to bump the compression with pregen piston in the newgen.
Thanks
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