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Author Topic: Left hand crankshaft?  (Read 1995 times)

Offline wwwarbird

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Left hand crankshaft?
« on: January 05, 2011, 05:53:14 PM »
 Does anyone know if there is a left hand crankshaft available for the current version of the O.S..30?
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Offline bill bischoff

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Re: Left hand crankshaft?
« Reply #1 on: January 05, 2011, 08:29:30 PM »
The crankshaft does not determine the direction of rotation on a 4 stroke, the cam does. Once upon a time OS made a reverse cam for the FS 20, but there is not one made for the 30 that I know of. Saito has a reverse cam that fits the 50/56, but that's the smallest I know of at this time.
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Offline Joe Yau

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Re: Left hand crankshaft?
« Reply #2 on: January 06, 2011, 09:54:06 AM »
Quote from: bill bischoff on January 05, 2011, 08:29:30 PM
Saito has a reverse cam that fits the 50/56, but that's the smallest I know of at this time.

I thought Saito only made one for the .62.  ???
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Offline bill bischoff

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Re: Left hand crankshaft?
« Reply #3 on: January 06, 2011, 10:50:30 AM »
It is my understanding (not based on actually doing it) that the REAR cam for the 100Ti inline twin is essentially a 50/56 reverse cam. I could be wrong, but this is what I have been told.
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Offline clark macomber

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Re: Left hand crankshaft?
« Reply #4 on: January 09, 2011, 09:33:47 AM »
O.S. made a left-hand cam for the FS40 as well.  I know because I have one NIP bought for a forgotten project.  The FS40 wouldn't be too much different than the 30.

Clark M.
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