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Author Topic: gearing ?  (Read 13830 times)

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redtwin

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gearing ?
« on: October 24, 2009, 08:50:40 AM »
Just bought a new 2010 Roadglide,my question is the gearing feels different in my RG compared to my 07 springer
did they change the gearing?
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jfh

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Re: gearing ?
« Reply #1 on: November 22, 2009, 06:38:28 PM »
The final drive ratio on the touring models was lowered from 2.79:1 to 2.87:1 in the 2009 model year by replacing the 66 tooth rear pulley with a 68 tooth pulley. The results were improved acceleration and a 6th gear range that was more usable at legal speeds.
« Last Edit: November 25, 2009, 07:40:52 PM by hdfr120 »
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Hammer - CVO Member #641

2009 FLTRSE3: Axtell jugs, JE forged flat top pistons, S&S 585 cams, SE 58mm TB, Dewey's Pro-Street porting, SE cam plate, Zipper's tapered pushrods, Cat-less, 2" Fullsac, TTS, Twin Jagg oil coolers, AK-20, 13" Works Black Trackers w/ARS, Clearview, Hawg Wired, Yaffe Monkey Bars, Danny Gray Big Seat

dartman

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Re: gearing ?
« Reply #2 on: November 25, 2009, 08:31:12 AM »
Quote from: hdfr120 on November 22, 2009, 06:38:28 PM
The final drive ratio on the touring models was lowered from 2.79:1 to 2.87:1 in the 2009 model year by replacing the 66 tooth rear pulley with a 68 tooth pulley. The results were improved acceleration and a 6th gear range that was more usable at legal speeds.
:2vrolijk_21: They finally got it right
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Rooster

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Re: gearing ?
« Reply #3 on: November 25, 2009, 11:26:24 AM »
Anyone know if that takes a different belt also, and has anyone done this to an 07?
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jfh

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Re: gearing ?
« Reply #4 on: November 25, 2009, 03:16:06 PM »
Rear belt is new 140T. The rear pulley will not work on an '07 wheel. The IDS on 09+ FLH models is integrated into the hub. I no longer have my '07 parts manual, but IIRC the '07 Japan model had a 68T rear pulley and a 139T belt. Changing to those parts should get you the same final drive.
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Hammer - CVO Member #641

2009 FLTRSE3: Axtell jugs, JE forged flat top pistons, S&S 585 cams, SE 58mm TB, Dewey's Pro-Street porting, SE cam plate, Zipper's tapered pushrods, Cat-less, 2" Fullsac, TTS, Twin Jagg oil coolers, AK-20, 13" Works Black Trackers w/ARS, Clearview, Hawg Wired, Yaffe Monkey Bars, Danny Gray Big Seat

Rooster

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Re: gearing ?
« Reply #5 on: November 25, 2009, 03:26:12 PM »
Thanks for the info :2vrolijk_21:
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moscooter

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Re: gearing ?
« Reply #6 on: November 25, 2009, 03:41:16 PM »
 ::)
" They finally got it right"

 :confused5: Your comment relative to the (usability) of 6th gear,  I would agree with.   "getting it right" (overall),  I disagree.   Having had a 2001 RK Classic,  with a final drive of 3.37,  it pulled a lot better on the low end.   I wish my 850 pound plus Ultra SE had that gearing.

My only gripe with the 'o1 gearing was a (lack of) another gear to go to on the open road.   A sixth gear fixed that problem,  but they had to fu** with it and now the lower gears are NOT as low as I would like. >:(
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Hoist!

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Re: gearing ?
« Reply #7 on: November 25, 2009, 04:13:08 PM »
Quote from: Rooster on November 25, 2009, 11:26:24 AM
Anyone know if that takes a different belt also, and has anyone done this to an 07?

You're thinking like I am on this Terry! You looking into the HDI parts for this? ;)

Damn! Just changed the belt last winter too! :nixweiss:

But if Dominick's gonna remove the swingarm anyway....... ::) ::) ::)

Hoist! :coolblue:
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jfh

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Re: gearing ?
« Reply #8 on: November 25, 2009, 06:44:57 PM »
Quote from: Rooster on November 25, 2009, 11:26:24 AM
Anyone know if that takes a different belt also, and has anyone done this to an 07?

After some additional research I learned that the Japan HDI rear pulley is actually a 64T and provides a final drive ratio 2.70. Talk about tall gearing!

But wait, there's more - You can change the front 32T pulley to a 31T for a 2.88 final drive ratio using the stock belt. That's pretty darn close to the 2.875 gearing of the '09+ FLH models.

I changed my '07 front 32T to a 30T for a final drive of 2.97, but had to use the HDI Japan belt (PN: 40056-07).  That bike had a Zipper's 120" motor and was scary fast!


« Last Edit: November 25, 2009, 07:46:24 PM by hdfr120 »
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Hammer - CVO Member #641

2009 FLTRSE3: Axtell jugs, JE forged flat top pistons, S&S 585 cams, SE 58mm TB, Dewey's Pro-Street porting, SE cam plate, Zipper's tapered pushrods, Cat-less, 2" Fullsac, TTS, Twin Jagg oil coolers, AK-20, 13" Works Black Trackers w/ARS, Clearview, Hawg Wired, Yaffe Monkey Bars, Danny Gray Big Seat

Hoist!

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Re: gearing ?
« Reply #9 on: November 25, 2009, 09:18:15 PM »
Quote from: hdfr120 on November 25, 2009, 06:44:57 PM
After some additional research I learned that the Japan HDI rear pulley is actually a 64T and provides a final drive ratio 2.70. Talk about tall gearing!

But wait, there's more - You can change the front 32T pulley to a 31T for a 2.88 final drive ratio using the stock belt. That's pretty darn close to the 2.875 gearing of the '09+ FLH models.

I changed my '07 front 32T to a 30T for a final drive of 2.97, but had to use the HDI Japan belt (PN: 40056-07).  That bike had a Zipper's 120" motor and was scary fast!




Who makes that 31T Trans pulley? That sounds like the easiest way to go! ;)

Hoist! :coolblue:
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redtwin

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Re: gearing ?
« Reply #10 on: November 26, 2009, 08:36:06 AM »
Thanks for the info,I know it seems to work alot smoother than my know totaled se springer,and my 07 serk,I do like my new Roadglide,
very smooth probably due to the changes,stage 3 kit helps also
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Black Diamond

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Re: gearing ?
« Reply #11 on: November 26, 2009, 09:00:09 AM »
Quote from: Hoist! on November 25, 2009, 09:18:15 PM
Who makes that 31T Trans pulley? That sounds like the easiest way to go! ;)

Hoist! :coolblue:

Baker has em. http://www.bakerdrivetrain.com/drivetraincomponents/transmission-pulleys.htm#hdCruiseDrive

JW
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Hoist!

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Re: gearing ?
« Reply #12 on: November 26, 2009, 09:23:27 AM »
Quote from: Black Diamond on November 26, 2009, 09:00:09 AM
Baker has em. http://www.bakerdrivetrain.com/drivetraincomponents/transmission-pulleys.htm#hdCruiseDrive

JW

Thanks Jeff! I'm thinkin 31T w/no belt change as the way to go. Still keep all the same comp components. Can even try that cush drive I picked up. I see no downside to this except maybe giving up a lil top end. I guess no more 140. Prolly only 135 now!!! :o ;D ;)

BTW Jeff, the highway peg mount I have is for a 4-speed frame, not FXR. Sorry man! :(

Hoist! :coolblue:
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Rooster

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Re: gearing ?
« Reply #13 on: November 26, 2009, 09:37:10 AM »
I just went through using the EVO Industries 30t w/o comp ass. That for me was to low and vibration unbearable. So now have the 34t SE comp ass. like the new bikes but that gave me 5mph higher which is ok but I swear my stock one was 32t and was just right gear wise. I am not ready to tear it down again just yet so curious to see how it turns out for Howie.
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redtwin

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Re: gearing ?
« Reply #14 on: November 26, 2009, 09:52:16 AM »
My FXR4 I changed out the rear pully and belt to a 70 tooth when I went to a 150 rear tire that made a huge differnce
gearing makes  alot of differnce depending on how you ride and where you want to use the power
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