Yamaha BRUIN 350 Owner's Manual page 122

5. Fill the differential gear case with the
specified amount of the recommended
oil.
NOTE:
_
Do not exceed the specified differential
G
gear oil quantity when filling. Overfilling
will cause the oil to seep out of the
breather hose during and after riding.
G The differential gear oil level cannot be
checked. The differential gear case ca-
pacity is greater than the recommended
oil quantity, therefore the oil level cannot
be accurately checked from the oil filler
cap hole.
_
Recommended oil:
SAE 80 API "GL-4" Hypoid gear oil
Oil quantity:
0.35 L (0.31 Imp qt, 0.37 US qt)
CAUTION:
_
Be sure no foreign material enters the dif-
ferential gear case.
_
6. Install the oil filler bolt.
7. Check for oil leakage. If oil leakage is
found, check for the cause.
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