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rear pulley

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Old 04-11-2013, 06:42 PM
hoggy05 hoggy05 is offline
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Default rear pulley

where can i get a 70t or higher rear pulley for a 2010 limited
also would a longer belt be necessary
trying to tighten up the gear ratio without breaking the bank
thanks for any help
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Old 04-11-2013, 06:58 PM
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Stiggy Stiggy is offline
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How about a front pulley to adjust your ratio instead? (And you can probably still use your stock belt.)
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Old 04-11-2013, 11:33 PM
mkguitar mkguitar is offline
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a front pulley swap may be smarter- longer on labor though.

a rear pulley swap may require removing the belt guard in addition to possible longer belt* AFAIK H-D has not used a larger than 70T pulley.
61,65,68 have been used over the years.
the cush drive may also be a concern.

* a belt swap involves even more labor than a front pulley swap, as the swingarm has to come off in addition to outer primary, primary drive, clutch and inner primary


Last edited by mkguitar; 04-11-2013 at 11:44 PM.
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Old 04-12-2013, 12:05 AM
ke5rbd ke5rbd is offline
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Let us know if you find that 70 tooth with the cush drive. you can put 31 tooth front and do the same thing. Either one will give you a 2.96 final ratio. Stock ratio is 2.875. Makes 2.5 mph difference. A 30 tooth pulley will give you a 3.067 final which is 5 mph difference. It requires a 139 tooth belt. The 31 would work with the 140 tooth.
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Old 04-12-2013, 06:38 AM
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timberland timberland is offline
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I'm headed out the door now, however search for the European Sportster with cush drive. I've read guys here doing a short its a bolt on. I'll check into this later and post back if no one responds.
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Old 04-12-2013, 06:55 AM
Trial dog Trial dog is offline
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A lot of folks do the 30/70 swap and I understand use the same belt. I found after a Stage 2 I didn't really think I needed the swap on my tourer. I am getting ready to do this (hopefully this weekend) on my dnya, the hd tri-glide front pulleys are 30 tooth and pretty reasonable for hd, I think about $72 is what I paid.
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Old 04-12-2013, 11:17 PM
ke5rbd ke5rbd is offline
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The Japanese Sportster Sprocket 40518-08 (68T) will fit the 08 EG bikes. I can't find a number for a 70 tooth with cush drive. If someone has this number please post.
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