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Author Topic: Gearing change?  (Read 2718 times)

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billus

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Gearing change?
« on: September 16, 2009, 01:02:14 AM »
Has anyone gone up a tooth on the front drive belt pulley? A guy at a independent harley shop told me that one tooth makes about a 800 RPM drop at highway speeds in fifth gear. Sounds like alot for one tooth. I know these SE's have the tork to pull higher gearing. I've tried a second gear start and it did it easy. I've noticed my 03 se deuce gets a little buzzy at about 80 MPH compared to a standard deuce. This could be a nice fix.
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grc

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Re: Gearing change?
« Reply #1 on: September 16, 2009, 08:46:03 AM »
Quote from: billus on September 16, 2009, 01:02:14 AM
Has anyone gone up a tooth on the front drive belt pulley? A guy at a independent harley shop told me that one tooth makes about a 800 RPM drop at highway speeds in fifth gear. Sounds like alot for one tooth. I know these SE's have the tork to pull higher gearing. I've tried a second gear start and it did it easy. I've noticed my 03 se deuce gets a little buzzy at about 80 MPH compared to a standard deuce. This could be a nice fix.

I think the guy at that indy shop needs new batteries in his calculator.  You wouldn't get that big a drop in rpm if you added the overdrive six speed gearbox, much less a one tooth change at the trans output sprocket. 

Jerry
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Jerry - 2005 Cherry SEEG  -  Member # 1155

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billus

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Re: Gearing change?
« Reply #2 on: September 16, 2009, 02:51:37 PM »
Your right Jerry, I just went by my local Harley dealer and the head mechanic said you can go up one tooth without changing the belt and it will lower the fifth gear about 300 to 400 RPM. This would be enough to cure my problem without going overboard and I think it would make fourth gear more usable in the mountains. My dealer cost would be about $450.00 parts and labor. Sorry about the torque spelling, It was late.
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