Adjusting The Valve Clearance - SELVA MARINE Kingfish 25 Service Manual

POWR
6. Measure the intake and exhaust valve
clearances c and d for cylinder #1.
Adjust if out of specification. See "Adjust-
ing the valve clearance" (7-3).
EX
#1
#2
d
Valve clearance:
Intake c:
0.20 ± 0.05 mm (0.008 ± 0.002 in)
Exhaust d:
0.30 ± 0.05 mm (0.012 ± 0.002 in)
7-3
Power unit
8
a
b
IN
c
7. Turn the flywheel magnet 360° clockwise
and align the "4" mark e on the driven
sprocket 8 with the " " mark b on the
cylinder head.
8. Measure the intake and exhaust valve
clearances for cylinder #2. Adjust if out of
specification. See "Adjusting the valve
clearance" (7-3).
9. Install all of the parts that were removed
during disassembly.

Adjusting the valve clearance

Adjust the valve clearances when the engine
is cold.
Do not turn the flywheel magnet counter-
clockwise. Otherwise, the water pump
impeller could be damaged.
1. Loosen the locknut 1, and then turn the
adjusting screw 2 until the specified
valve clearance is obtained.
1
2
Valve clearance:
Intake:
0.20 ± 0.05 mm (0.008 ± 0.002 in)
Exhaust:
0.30 ± 0.05 mm (0.012 ± 0.002 in)
8
e
b
a
b