Yamaha TT-R90(S) Owner's Service Manual page 140

PILOT AIR SCREW ADJUSTMENT
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5. Install:
Gasket New
G
Drain bolt
G
20 Nm (2.0 m · kg, 14 ft · lb)
6. Fill:
Crankcase
G
Oil quantity:
Periodic oil change:
0.8 L (0.70 Imp qt, 0.85 US qt)
7. Install:
Dipstick
G
8. Inspect:
Engine (for oil leaks)
G
Oil level
G
Refer to "ENGINE OIL LEVEL INSPEC-
TION".
PILOT AIR SCREW ADJUSTMENT
1. Adjust:
Pilot air screw 1
G
Adjusting steps:
Screw in the pilot air screw until it is lightly
G
seated.
Back out by the specified number of turns.
G
Pilot air screw:
1-3/4 turns out
INSP
ADJ