Yamaha RHINO YXR66FSEW Owner's Manual page 310

CAUTION:
_
Be sure no foreign material enters the final
gear case.
_
6. Install the oil filler bolt, and then tighten it to
the specified torque.
Tightening torque:
Final gear oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
7. Check for oil leakage. If oil leakage is found,
check for the cause.
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