Yamaha RS90GTZ Service Manual page 65

DRIVE CHAIN
Oil replacement
Oil replacement steps:
• Place the oil pan under the drain hole.
• Remove the oil drain bolt (along with the gas-
ket) and drain the oil.
• Install the new gasket and oil drain bolt
Drive chain housing oil drain bolt:
16 Nm (1.6 m•kgf, 11 ft•lbf)
Recommended oil:
SAE 75W or 80W API GL-3
Gear oil
Oil capacity:
0.25 L (0.26 US qt, 0.22 Imp.qt)
Chain slack adjustment
1. Adjust:
• Drive chain slack
Adjustment steps:
• Loosen the locknut
• Turn the adjusting bolt
finger tight, and then loosen it 1/4 turn.
• Hold the adjusting bolt
ening the chain adjusting locknut
Drive chain adjusting locknut:
25 Nm (2.5 m•kgf, 18 ft•lbf)
2-42
INSP
ADJ
.
.
clockwise until it is
in place while tight-
.