Final Gear Oil - Yamaha GRIZZLY ULTRAMATIC YFM660FP Owner's Manual

EBU00493

Final gear oil

Make sure the final gear oil is at the specified level.
Add oil as necessary. (See pages 8-43 ~ 8-47 for
details.)
Recommended oil:
SAE 80 API GL-4 Hypoid gear oil
If desired, an SAE 80W90 hypoid gear oil may be
used for all conditions.
NOTE:
GL-4 is a quality and additive rating, GL-5 or GL-6
rated hypoid gear oils may also be used.
5-19