Yamaha WR25RB Owner's Manual page 60

PERIODIC MAINTENANCE AND ADJUSTMENT
to collect the used oil.
4. Remove the engine oil filler cap,
the engine oil drain bolt and its
1
gasket to drain the oil from the
crankcase.
2
3
4
5
6
1. Engine oil drain bolt
2. Gasket
7
TIP
Skip steps 5–8 if the oil filter element is
8
not being replaced.
5. Remove the oil filter element cover
9
by removing the bolts.
2
2
1
1. Oil filter element cover
2. Oil filter element cover bolt
6. Remove the oil filter element and
O-rings.
1
1. O-ring
2. Oil filter element
7. Install a new oil filter element and
new O-rings.
7-14
TIP
Make sure that the O-rings are properly
1
seated.
8. Install the oil filter element cover by
installing the bolts, then tightening
them to the specified torque.
Tightening torque:
Oil filter element cover bolt:
10 Nm (1.0 m·kgf, 7.2 ft·lbf)
9. Install the engine oil drain bolt and
its new gasket, and then tighten
the bolt to the specified torque.
Tightening torque:
Engine oil drain bolt:
20 Nm (2.0 m·kgf, 14 ft·lbf)
10. Refill with the specified amount of
the recommended engine oil, and
then install and tighten the oil filler
cap.
2