what oil for the raptor 80 ring and pinion?

csrmel · Jul 11, 2007

nephiew took the 2004 80 mudding. the oil in the ring and pinion looks good but i want to play it safe and change it out. what type of oil does the yamaha factory manual spec for the rear end of these things? i was thinking probably a gear oil like 75w90 or some such thing. but i want to know for sure.

also what oil does the yamaha manual spec for this engine? ive been using 15w40 oil thats made for wet clutches. but again im curious as to what the manual specs.

thanks.

atvingnc · Jul 11, 2007

I use an 80W90 in the rear end (recommended by yamaha) and 10W30 in the engine. I tried the 20W40 in the engine (summer) but it didn't seem to run right. we do alot of muddin' and normally I change the rear end oil after every couple of rides.

what oil for the raptor 80 ring and pinion?

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