04-17-2022, 05:51 AM
(04-17-2022, 05:29 AM)BobAintStoppin Wrote: I have many times put my hand on the rear drive as a check. It should never be more than warm to the touch. If it's hot, you likely have a problem in the making. Do an immediate rear drive oil change and see what comes out with the old oil.
I agree. Warm so you could hold your hand on it without discomfort. That's how all 3 of my bikes are. Hot probably means something is failing internally like bearings and might show in the drained oil, but on this design it may not as the outer bearings do not run in the gear oil AFAIK.
Frank
'23 R1250RS, 9000 mi. 1 yr., '03 R1100S BCR #6/200, '85 K100/1100RS- 38 yrs. 331,000 mi., '17R1200RS- 51,054 mi. (gone), '16 R1200RS- 28,322 mi. (gone), '11 R1200RT-30,000 mi. (gone), '05 R1200ST-58,000 mi. (gone), '96 Ducati 900SS/SP-89,000 mi. (gone), 560K+ BMW miles