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Marty
28-02-2014, 07:16 AM
Hi guys my mates building a 08 R1 track bike, can anyone recommend what ratio to run? Stock is 17/45 / 2.64:1 afaik

Cheers
Marty

chubb
28-02-2014, 09:12 AM
JC or Mstevo

Mstevo
28-02-2014, 10:47 AM
JC or Mstevo
my R1 is a 05 with a 5 valve motor, the 07-08's changed to 4 valves so I think it would be different, however I run 15/45

JC
28-02-2014, 03:53 PM
Last race I was using 16F/ 46R and it was ok. Sunday and Monday I'll try 47R and let u know.

Marty
28-02-2014, 04:33 PM
Thanks guys

JC do you reckon it was a little tall or a lot?

Marty
28-02-2014, 04:35 PM
47 works better for keeping the wheelbase in check so I'll just tell him 16/47