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1994 R1100RS Gear oil

tibork

Member
Ready to do my first transmission and drive gear oil change, what is the best recommended oil for these? Thank you!
 
Castrol 80w90 Limited Slip in both the final drive and transmission is optimal.

A 75 or 80W 140 is OK in the transmission is OK. NOT in the final drive.

GL5 is mandatory, and any 80W90 GL5 oil is within spec.
 
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