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Old 05-02-2012, 11:31 AM   #1
DiabloADV OP
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Joined: Oct 2010
Location: Nor Cal, USA
Oddometer: 2,175
/5 and /6 rear wheel compatible?

I have a /5 that's going to be parted out (motor, gearbox and hubs are great, the rest of it is a wreck and/or missing).

I've got a nice /6 "dirtbike" that I'm keeping.

Rear wheel question -- I have a new set of 140mm stainless spokes, and a new 18" rim. I want a spare rear wheel for my /6 (for street-friendly tires).

Will the /5 hub work on the /6 final drive, or do I need to find a /6 hub to build the spare wheel?
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1974 R90/6 w/1050 kit. Motor only. Seeking a frame.
1970 R60/5

'91 Bill Holland Steel w/Dura Ace[/SIZE]
'01 Z3 3.0 Coupe. The Clownshoe.
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Old 05-02-2012, 11:53 AM   #2
Voltaire
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Location: Auckland,New Zealand
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I was over at a friends doing a dry assembly on his racer project and he had two rear wheels, one had 3 ribs and one had 4... the 4 ribbed one was about 3-5 mm wider but they both fitted the /6 drive fine. I think the wider one was /5 as it had a groove where the hub cap would go.
I'm running a a much later final drive on mine but the the /5 wheel fits straight on....and the wheels are in alignment.
I have no idea if the factory approved of this but it works for me
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Old 05-02-2012, 01:02 PM   #3
bmweuro
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Completely interchangeable including the guts. The only difference is the really early /5's had a felt inner seal.
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Old 05-02-2012, 01:14 PM   #4
DiabloADV OP
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Many thanks!
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1974 R90/6 w/1050 kit. Motor only. Seeking a frame.
1970 R60/5

'91 Bill Holland Steel w/Dura Ace[/SIZE]
'01 Z3 3.0 Coupe. The Clownshoe.
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Old 05-02-2012, 06:50 PM   #5
woodgrain
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The drive dog (wheel spline) on the /6 is longer/deeper and cheaper to buy than the /5 unit.

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