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PILOT SCREW ADJUSTMENT
10. Install:
11. Inspect:
12. Check:
Checking steps:
Slightly loosen the oil gallery bolt 1.
Start the engine and keep it idling until oil
starts to seep from the oil gallery bolt. If no
oil comes out after one minute, turn the
engine off so it will not seize.
Check oil passages, oil filter and oil pump
for damage or leakage.
Start the engine after solving the prob-
lem(s) and recheck the oil pressure.
Tighten the oil gallery bolt to specification.
PILOT SCREW ADJUSTMENT
1. Adjust:
Adjusting steps:
NOTE:
To optimize the fuel flow at a smaller throttle
opening, each machine's pilot screw has
been individually set at the factory. Before
adjusting the pilot screw, turn it in fully and
count the number of turns. Record this num-
ber as the factory-set number of turns out.
Turn in the pilot screw until it is lightly
seated.
Turn out the pilot screw by the factory-set
number of turns.
* Except for USA
3 - 18
INSP
ADJ
Oil filler plug
Engine (for oil leaks)
Oil level
Refer to "ENGINE OIL LEVEL INSPEC-
TION".
Oil pressure
Oil gallery bolt:
18 Nm (1.8 m • kg, 13 ft • lb)
Pilot screw 1
Pilot screw:
WR426F: 1-5/8 turns out
* 7/8 turns out
WR400F: 1-1/2 turns out
(example)
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