Yamaha F30B 2018, Руководство по обслуживанию

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7-2
Power unit (check and adjustment)
d. Measure the oil pressure.
TIP:
• Use a pressure gauge with an adapter that
has a 1/8 pitch thread.
• The actual oil pressure may vary depending
on the temperature and engine oil viscosity.
e. Remove the oil pressure gauge.
f. Install the oil pressure switch. See “Cylin-
der block” (7-49).
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Checking the pulser coil air gap
Do not turn the flywheel magneto counter-
clockwise. Otherwise, the water pump im-
peller could be damaged.
1. Check:
• Pulser coil air gap
Out of specification

Adjust the air gap.
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a. Turn the flywheel magneto clockwise to
align the protrusion “a” on the pulser coil
with the protrusion “b” on the pulser coil.
b. Measure the pulser coil air gap “c”.
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Adjusting the pulser coil air gap
1. Loosen:
• Pulser coil bolt “1”
2. Adjust:
• Pulser coil air gap “a”
3. Tighten:
• Pulser coil bolt
4. Recheck:
• Pulser coil air gap
“Checking the pulser coil air gap” (7-2)
Checking the valve clearance
• Measure the valve clearances when the en-
gine is cold.
• Cover the fuel components using a rag to
prevent fuel from spilling out.
Do not turn the flywheel magneto counter-
clockwise. Otherwise, the water pump im-
peller could be damaged.
Oil pressure gauge “1”
(commercially available)
Pulser coil
Air gap
0.35–1.35 mm (0.014–0.053 in)
1
Pulser coil
Air gap
0.35–1.35 mm (0.014–0.053 in)
a
c
b
a
1