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Yamaha 40V - Fuel and Control Systems Maintenance

Yamaha 40V
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3-2
INSP
ADJ
E
FUEL SYSTEM/CONTROL SYSTEM
PERIODIC SERVICE
FUEL SYSTEM
Fuel line
1. Inspect:
Fuel line
Break/Leak/Damage
Replace.
CONTROL SYSTEM
Throttle link adjustment
1. Check:
CDI unit indicator
Incorrect
Adjust.
Checking steps:
Turn the magneto control lever
1
so
that its adjusting screw contacts the
full retarding stopper
a
.
Check the CDI unit indicator so that it
aligns with the specified marking on
the plate.
Full retarded position:
ATDC 7˚
Turn the magneto control lever so that
it contacts the full advance adjusting
screw
b
.
Check the CDI unit indicator so that it
aligns with specified marking on the
plate.
Full advanced position:
BTDC 25˚
2. Adjust:
Ignition timing
Adjustment steps:
Adjust the length
a
of the full retard-
ing screw
1
to specification.
Full retarding screw length:
20 mm (0.79 in)

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