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Any Compatibility Concerns with the Plastics Used in Bearing Cages/Spacers?
 
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Question:
Any Compatibility Concerns with the Plastics Used in Bearing Cages/Spacers?
I have read on club/owner sites not to use Mobil 1 gear oil in Moto Guzzi transmissions or BMW final drives because some of the plastics used in bearing cages/spacers are not compatible with the oil. Do you have any info on this?
-- Tom Cunningham, Bay City, TX
Answer:
We checked with our EURO car experts and they say what you've read is not accurate. Mobil 1 gear oils are premium products that will work well in your tranny. The lube recommendation for the final drive is GL-5.
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