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Old 06-07-2013, 11:06 PM   #1
painkilla OP
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rotating rear wheel

Just got my bike back from its service , and now it seems to have developed a pulsating feel at low speeds in 2nd gear i can feel it through the foot pegs and seat,mechanic said drive and gear box oil was changed...

I put the bike on the centre stand in neutral and spun the rear wheel with my hand , it rotates freely for awhile and then stiffens just before one 1 complete rotation and then goes freely again .. is this normal ? i wouldnt think so .

Could some confirm before i speak to the mechanic .

Bike is a 2010 GS with 12000 miles

cheers
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Old 06-08-2013, 12:03 AM   #2
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If you don't feel/hear anything from the Final Drive possibly a U-Joint binding?
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Old 06-08-2013, 04:47 AM   #3
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Remove the driveshaft and check the U joints, it sounds like one is on its way out.
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Old 06-08-2013, 04:55 AM   #4
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push the brake pads open and recheck if you still have a bind then the driveshaft is suspect
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Old 06-08-2013, 05:26 AM   #5
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agree with checking the brakes first. Remember that for every 1 turn of your rear wheel, your driveshaft and u-joints make 3 revolutions
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Old 06-08-2013, 08:44 AM   #6
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It's unlikely you'd have a ujoint failure at 12000.

Did you do anything else, new tires?

Check the easy stuff first before you go tearing into the thing.
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Old 06-08-2013, 05:41 PM   #7
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If you are doing this on the stand..you SHOULD feel TWO tight spots per revolution...if the suspension is hanging...the joints are JUST at bind...hence the tight spots..(you can notice this if you jump it too..)

12k is awful low for a driveshaft failure..but guess it could happen..

See if you can reproduce the binding if you roll the bike across the floor by hand..you will feel or hear a bad shaft..
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Old 06-09-2013, 03:00 AM   #8
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Any chance they dropped the FD for a spline lube? If so the phasing may not have been set right. Just a thought
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Old 06-09-2013, 07:04 AM   #9
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Quote:
Originally Posted by billdonna View Post
Any chance they dropped the FD for a spline lube? If so the phasing may not have been set right. Just a thought
1200...you can't un phase the shaft...
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Old 06-09-2013, 09:26 PM   #10
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1200...you can't un phase the shaft...
Frig...I did not know that the new ones had changed. I checked it out on the Max part fiche for the 2010 and the shaft has snap rings for the splines on the tranny end and the FD end. So preventative spline lubes are not required anymore now cuz the shaft doesn't slide?
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Old 06-09-2013, 09:42 PM   #11
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Originally Posted by billdonna View Post
Frig...I did not know that the new ones had changed. I checked it out on the Max part fiche for the 2010 and the shaft has snap rings for the splines on the tranny end and the FD end. So preventative spline lubes are not required anymore now cuz the shaft doesn't slide?
Sorta kinda..a guy prolly needs to grease both ENDS where they spline to the output and pinion respecively..but driveshaft splines that a guy would normally think, no, there is some slippage available but is vulcanized inside rubber...I think the majority of length difference is dealt with at the pinion end..
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Old 06-10-2013, 04:37 AM   #12
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Quote:
Originally Posted by billdonna View Post
Frig...I did not know that the new ones had changed. I checked it out on the Max part fiche for the 2010 and the shaft has snap rings for the splines on the tranny end and the FD end. So preventative spline lubes are not required anymore now cuz the shaft doesn't slide?
There is only a snap ring on the trans side, just like all the other Hexheads.

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Old 06-10-2013, 01:15 PM   #13
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Originally Posted by JimVonBaden View Post
There is only a snap ring on the trans side, just like all the other Hexheads.

Jim

Kinda what I figured, the FD end of the driveshaft is not locked, but slides over the pinion shaft of the FDand needs lube just like all the older models. But what gives here

From Max part fiche, 2010-13 GS Camheads like OP

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Old 06-10-2013, 07:45 PM   #14
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Quote:
Originally Posted by billdonna View Post
Kinda what I figured, the FD end of the driveshaft is not locked, but slides over the pinion shaft of the FDand needs lube just like all the older models. But what gives here

From Max part fiche, 2010-13 GS Camheads like OP

Might be the diagram is for a K1200/1300. It is not uncommon for the diagrams to do that.

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Old 06-10-2013, 10:03 PM   #15
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Lots of subject drift, here. I doubt the OPs issue is the drive shaft.

Quote:
Originally Posted by billdonna View Post
Kinda what I figured, the FD end of the driveshaft is not locked, but slides over the pinion shaft of the FDand needs lube just like all the older models. But what gives here
It does not slide. At least not much. There is no snap ring on the FD end so you can rotate the FD down, something that was necessary for maintenance on the earlier bikes. When in operating position the paralever pivot points are at the same location as the U-joints. That makes for a constant length swing arm and no need for sliding splines as existed on the oilheads.

Yeah, it needs lube, but mostly to keep moisture out.
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