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Motor Type

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Githianki
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Joined: Wed Nov 14, 2007 7:02 pm
Location: Mass

Motor Type

Post by Githianki » Mon Nov 26, 2007 11:54 am

I have seen a few posts here and there about a type 1 or type 2 motor. How does one figure this out and what are the differences, if any. I did a search but didn't turn up much.

clockworkorange
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Location: michigan

Post by clockworkorange » Tue Nov 27, 2007 12:20 am

Somebody correct me if I'm wrong, but type 1 refers to the 180 degree crankshaft, dual carb style engines found in CL's and CB's
Yeah, I know the voices in my head aren't real, but sometimes they make an excellent point!!!

CliffC
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Post by CliffC » Tue Nov 27, 2007 2:31 am

CWO
You are real close. The type 1 is a 180 degree crank, found on the CB's and CL's. Some of the earlier CB's were type 2 with the 360 degree crank. I believe all the C_ models with single carb have 360 degree cranks. Forty some years ago we were looking for more torque on a CB type 2 set up for moto cross (scrambles) in Japan. If I remember right we ground off one spline on the cam and put it together 180 degrees out. This put both cylinders on the same cycle which made it like a thumper, it was great on courses with short straights. cliff c.

Githianki
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Posts: 34
Joined: Wed Nov 14, 2007 7:02 pm
Location: Mass

Post by Githianki » Tue Nov 27, 2007 5:28 am

Thanks for the info guys!

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