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Author Topic: Extra final drive  (Read 5189 times)

Offline Tiedie

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  • Posts: 45
Extra final drive
« on: September 30, 2025, 04:54:39 AM »
Just purchased a extra final drive for my R65ls. It's a 32/9 like the original one. The plan is to rebuild and have just in case I need it. Found it on the bay store.
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Offline Justin B.

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Re: Extra final drive
« Reply #1 on: October 02, 2025, 07:58:54 PM »
Good luck with it.  That's about the only thing I have not attempted
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Justin B.

2004 BMW R1150RT
1981 R100RT - Summer bike, NEKKID!!!

Offline dogshome

  • Lives in Foothills of Mt. Olympus
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Re: Extra final drive
« Reply #2 on: November 03, 2025, 06:59:28 AM »
How I test them on the bench:
https://youtu.be/RenY5UBd9LA
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Offline Steve

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  • 1979 R65 with 175k miles
Re: Extra final drive
« Reply #3 on: November 06, 2025, 10:01:58 AM »
I have a worn 1979 R65 final drive that needs rebuilding. Do you know anyone I can pay to do it? I have too much drive train lash.

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Offline Tony Smith

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Re: Extra final drive
« Reply #4 on: July 05, 2026, 01:29:33 AM »
Quote from: Justin B. on October 02, 2025, 07:58:54 PM
Good luck with it.  That's about the only thing I have not attempted

For what it is worth they are not difficult.

I avoided doing final drives for a long time until the R75  FD fittedto my 860 needed rehab. I was surprised at how straightforward they are.
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1978 R100RS| 1981 R100RS (JPS) | 1984 R65/860 | 1992 KLE500 | 2002 R1150GSA | 2021 BRAAAP St250| 2025 Himalayan 450 |

Offline Tiedie

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Re: Extra final drive
« Reply #5 on: Today at 09:44:07 AM »
Quote from: Steve on November 06, 2025, 10:01:58 AM
I have a worn 1979 R65 final drive that needs rebuilding. Do you know anyone I can pay to do it? I have too much drive train lash.
Sorry for the late reply I just saw this I'm in WNC the guy I used for all my upgrades and updating is here too. DM me if your in need but as @Tony Smith said it not too difficult as a matter of fact Boxer 2 Valve has a video on how to do it. I haven't attempted it but if you have a hot air gut and patience it shouldn't be too hard. They sell a repair kit for bearings and seals and gaskets.
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