Yamaha 5HN1 Manuel D'atelier Du Proprietaire page 122

PILOT AIR SCREW ADJUSTMENT
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4. Install:
Gasket New
Drain bolt
20 Nm (2.0 m · kg, 14 ft · lb)
5. Fill:
Crankcase
Oil quantity:
Total amount:
1.0 L (0.88 Imp qt, 1.06 US qt)
Periodic oil change:
0.8 L (0.70 Imp qt, 0.85 US qt)
6. Install:
Dipstick
7. Inspect:
Engine (for oil leaks)
Oil level
Refer to "ENGINE OIL LEVEL INSPEC-
TION".
PILOT AIR SCREW ADJUSTMENT
1. Adjust:
Pilot air screw 1
Adjusting steps:
Screw in the pilot air screw until it is lightly
seated.
Back out by the specified number of turns.
Pilot air screw:
1-3/4 turns out
INSP
ADJ