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Normal Topic Driveline Lash (Read 333 times)
Dave
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Driveline Lash
11/24/10 at 16:19:39
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Typically, how much should I be able to rotate my rear wheel when off the ground and in first gear (engine not running)r? I would expect this to represent the total drive line lash from the engine to the rear wheel; splines, trans gears, u-joint, and rear drive.
Wavy
  

Wavy Dave
1986 R65 monoshock
1964 Lambretta Li scooter (purchased new)
1947 Salsbury 85 Super scooter
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Billmc
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Re: Driveline Lash
Reply #1 - 02/13/18 at 11:08:40
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I know this is 8 years old but was never answered and I am curious myself. Anybody have an answer?
  

1987 R65 Silver
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Barry
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Re: Driveline Lash
Reply #2 - 02/13/18 at 11:49:02
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I just measured mine at the tyre and it's 26mm.  This is a low mileage bike with negligible wear on the splines.
  

Barry Cheshire, England 79 R45
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Runninn1
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Re: Driveline Lash
Reply #3 - 02/13/18 at 14:53:17
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About the same for me... 1" (25mm), I will check again tonight & report back.
  
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Tony Smith
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Re: Driveline Lash
Reply #4 - 02/13/18 at 16:34:31
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Over 50mm. but the drive splines are well past worn out and it is a wonder to me that it has not yet over-ridden them.

I know from relatively recent adventures fitting a new clutch and clutch carrier  that the gearbox is fine - nearly all the slop is in the original R65 final drive and I don't care about that as a R75 unit is going on very soon.

And yes, before anyone asks, I am fitting a new drive cup to whichever rear wheel I end up using - either the original R65 wheel or the LS wheel that the workshop in town still hope to salvage (they are on a "no fix no fee" arrangement as their first attempt to roll the LS wheel straight failed). The second attempt involves heating the rim to almost melt point to de-stress it and then rolling it again. Given the way aluminium behaves at near melt point, I wish them luck, OTHO, if it works I will have a serviceable LS wheel to match the K100 front wheel.
  

1978 R100RS| 1984 R65 | 1984 XT350 | 1992 KLE500 | 2002 R1150GSA
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Runninn1
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Re: Driveline Lash
Reply #5 - 02/14/18 at 14:27:40
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22mm....actually surprised it wasn't more.
  
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