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07-23-2013 | 09:20 AM

#5

Arahawak

Tech Elite

iTrader: (32)

Joined: May 2006

Posts: 3,447

From: A.D. 2030

Quote:

Originally Posted by choisan

i have the 21, just finished run-in, but don't really tune it to run yet. any comment on this 21 machine?

Good powerband.. smoother than the original OS Speed.
The main difference is the crankshaft, which is balanced

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