Grinding noise in rear

[etravis2]

Hi, I have a gs850g shafty. I have started hearing a grinding noise in the rear when I make left turns(at speed, not slow turns). I have checked the fluids in both the transmission and in the gearbox. Both are at the proper level. Could the shaft be bottoming out in the gearbox? Thanks in advance for any feedback.

[SqDancerLynn1]

Before doing to much I would check the rear wheel bearings. The differential could fail but I haven't heard of any failures.

[bwringer]

Before doing to much I would check the rear wheel bearings. The differential could fail but I haven't heard of any failures.

Bingo. Remove the rear wheel and check the bearings.

The rear bearings on that bike are two basic, standard, buy-em-anywhere, 6303 with 2 rubber seals. (6303-2RS)

While you're in there, check the spline unit in the rear wheel carefully and lube with Honda 60% Moly Paste. That's not the noise, but it's worth doing any time you yank the rear wheel.

And while the wheel is off, grab the swingarm and try to yank it back and forth a bit to see if the swingarm bearings are OK. They're tapered bearings on the shafties, so they're adjustable and extremely durable.

[etravis2]

Thanks for the info. I'll pull the wheel and check them. I'll probably just replace them. Thanks again.