GL1200 final drive backlash - 3"

945 Views 5 Replies 5 Participants Last post by P Yanney, Jul 31, 2009

gronk99

Discussion Starter · Jul 30, 2009

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I'm pretty sure the 3" I measured at outside of tire is wrong, but can't find a spec for this in Clymer.
Looks like there is an adjustment ring on pinion shaft. Will it be as easy a just turning down this ring?
Should I be concerned that there may have been Massive wear internally causing this?
All I can see in Clymer is a shim on the pinion side and couple washers on ring.

Suppose this requires removing L saddlebag?
Worried because at some point the gears won't engage.

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sandiegobrass

· #2 · Jul 30, 2009

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Don't know if there is a spec or iff it is adjustable.. I wouldexpect it is factory set with shims.. but normal is pretty sloppy... 3" sounds like a lot, but I wouldn't have been surprised if you said 2".... I don't know what the key words (to search) would be, but others have posted on this forum with questions about the same issue and the 2" is what I remember...

Edit

and the search isn't working right now anyway..)

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P Yanney

· #3 · Jul 30, 2009

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I remember the 2" like Jim but you can search it later. My 1200 is about 1 3/4 - 2" and not concerned about it. You may also have some wear at the driveshaft splines on both ends of the shaft, output shaft gear and so on in the transmission can add to the slop. I'm not sure what would be considered bad but a lot of components can add up. More than likely the rear pinion or spline. Paul

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scotthohio

· #4 · Jul 31, 2009

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The final drive to driven flange on the wheel was worn on my 86 causing a lot of backlash. After installing a good used one, it was like new again.
Remember if you change the final drive with a used unit, you must use the same driven flange to prevent premature failure.

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Grizly-Triker

· #5 · Jul 31, 2009

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I changed my final drive including the rearend, drive shaft and now have c clicking when decelearting... whats up with that???

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P Yanney

· #6 · Jul 31, 2009

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Did you lube the hub pins inside the wheel. If they are dry, you'll get a clicking sound. This is the other side of the hub from the rear spline.

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