Inspecting rear drive shaft for water ingress

Greasing of the FD splines isn't included in the service bulletin's - they are supposed to run dry. However, I can't see what harm it does to grease them up with some moly if you have the opportunity - I've done mine.
 
Having the wheel off to change a tyre this week I noticed the cable for the ABS sensor was chaffing and almost worn through to the inner wire. I removed it to tape it up and adjust the routing of the cable, but on taking the sensor off I noticed the final drive oil was like milk. Taking the advice from above I thought now was a good time to sort it, I took the bike for a run to warm it up and drained the final drive oil, it was a light grey colour and almost as thin as water. I changed the oil and unhinged the final drive, to my surprise the splines were dryer than a dry thing from dry land on a dry day, yet there was loads of white grease on the inside of the rubber boot I guess to keep the water out, there was no sign of water ingress, so no concerns there, I greased up The splines and put it all back together, strangely enough the bike had an 18000 mile service less than 2000 miles ago by BMW, I guess they don't bother with these things. As per the post above its worth having a look for peace of mind.
Did the final drive warm up when you took it for a ride?
 
I wouldn't have thought that a final drive would warm up.
 
Really........ So every single bolt i've ever removed over the years (literally hundreds) and re-used weren't any good 😀

Torque setting for the new nut on the paralever, is it 43nm ?

Sent from my SM-T580 using Tapatalk
 
Changing the FD oil using the old method recirculates grease around the trunnion bearings and allows you to check the UJ. It's not a lot more work but well worth the effort.

I use 200ml of 75w140 full synthetic. Never had a breather blow by oil leak.

Drill the water drain hole as far back as possible. Grease around to avoid corrosion getting under the paint.

Torque value is in here somewhere

www.motorcycleinfo.co.uk/resources/6795/assets/documents/Torque Values.xls
 


Back
Top Bottom