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R1 Exhaust Port Diameter
scootz - 16/7/08 at 07:29 PM

Can anyone give me the exhaust port diameter from a 2004-2007 R1?

Ta!

scootz - 21/7/08 at 09:37 AM

Anyone got an R1 engine lying around?

Davg - 21/7/08 at 10:55 AM

Scootz

5vy ports 55mm.

cheers D

scootz - 21/7/08 at 11:08 AM

You're a star! Thanks V much!

scootz - 24/7/08 at 04:25 PM

Are you sure Davg... I've just read on-line that the ID is 38mm!?

afj - 24/7/08 at 06:14 PM

id on a 5pw is about 45mm