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Old January 31st, 2020, 11:11 AM   #1
Fred659
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Name: Frederic
Location: Quebec City
Join Date: Jan 2020

Motorcycle(s): 08 Race Preped ZX-10r, 09 Race Preped Ninja 250 (not finished yet). 74 Norton Commando 850 (Project)

Posts: 28
Pregen: Combustion Chamber CC

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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Old February 20th, 2020, 10:07 PM   #2
cuong-nutz
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Name: Cuong
Location: Houston, TX
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Motorcycle(s): '10 250r, '09 265r

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@racerX comes to mind. Are you still around bud?


Quote:
Originally Posted by Fred659 View Post
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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