Yamaha RS90K, Service Manual

Page: 110 / 841

2-34
INSP
ADJ
DRIVE CHAIN
• Reinstall the dipstick 1 .
NOTE:
Align the notch
a
of the dipstick handle with the
projection
b
of the drive chain housing.
Oil replacement
Oil replacement steps:
• Place the oil pan under the drain hole.
• Remove the oil drain bolt (along with the gas-
ket)
1
and drain the oil.
CAUTION:
Be sure to remove any oil from the heat protec-
tor.
• Install the new gasket and oil drain bolt
1
.
T
R
.
.
Oil drain bolt:
16 Nm (1.6 m · kg, 11 ft · lb)
Recommended oil:
Gear oil “GL-3”
75W or 80W
Oil capacity:
0.25 L (0.22 Imp qt, 0.26 US qt)
1
Chain slack adjustment
1. Adjust:
• Drive chain slack
Adjustment steps:
• Loosen the locknut
1
.
• Turn the adjusting bolt 2 clockwise until it is fin-
ger tight, and then loosen it 1/4 turn.
• Hold the adjusting bolt 2 in place while tighten-
ing the chain adjusting locknut
1
.
T
R
.
.
Drive chain adjusting locknut:
25 Nm (2.5 m · kg, 18 ft · lb)