evil

Member
Sep 3, 2003
14
0
what weight tans oil for a crf450r 2004, i was just wondering because the manuel says 10-40 and they sold me 85-90, so im a little confused
 

Hick

Member
Aug 15, 2000
224
0
The viscosity numbering system used for gear oil is different than that for motor oil. I don't know why. But 30 wt. motor oil is equivalent to 85 wt. gear oil.

Whatever gearbox oil you would use in a two stroke MX bike will work just fine in your CRF.
 
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