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Old 01-06-2013, 03:22 PM   #650
bobobob
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Joined: Feb 2011
Location: On a hill
Oddometer: 4,621
Quote:
Originally Posted by pyoungbl View Post
I have to wonder how Husky managed to get almost 10 extra horses out of our Rotax engine.
They bumped the compression up and re-did the heads but that's quite a jump from
an engine that was already in service for, what, over 15 years and pretty well developed.
You got two out of three things that account for the extra ten bhp.
They also went with hotter cams.
Btw, those 10 extra bhp are at the crank.
So figure about an extra 8 bhp at the rear wheel.

Would somebody measure the diameter and length of their oem exhaust for me, please?
Thanks.
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