SELVA MARINE Pike 9,9 Service Manual page 285

Symptom 2
Low compression
pressure
Throttle valve does
not fully open
—
Symptom 1: High engine idle speed
Symptom 2
Engine speed does
not decrease when
throttle control lever
is in fully closed
position
Throttle control
lever does not
return to fully closed
position
6AU3K11
Cause 1
Valve clearance not
adjusted correctly
Damaged cylinder
head gasket
Damaged valve
Scratched piston or
cylinder
Damaged or worn
piston ring
Throttle control sys- Throttle cable(s) not
tem malfunction adjusted correctly
Throttle link rod not
adjusted correctly
Air leakage into Damaged gaskets,
intake manifold spacer, and intake
(carburetor to cylin- manifold (carbure-
der head) tor to cylinder head)
Cause 1
Carburetor malfunc- Throttle stop screw
tion not adjusted cor-
rectly
Pilot screw not
adjusted correctly
Malfunction of the
carburetor internal
parts
Throttle control Throttle cable(s) not
system malfunction adjusted correctly
Throttle link rod not
adjusted correctly
Throttle cam not
installed correctly
Troubleshooting the outboard motor
Cause 2 Checking step
Adjust the valve
—
clearance.
Disassemble and
check the cylinder
head and power
unit.
—
Check and adjust
the throttle cable(s).
Check and adjust
the throttle link rod.
Check the gaskets,
spacer, and intake
manifold (carbure-
tor to cylinder
head).
Cause 2 Checking step
Adjust the throttle
stop screw.
Adjust the pilot
screw.
Disassemble and
check the carbure-
tor.
Check and adjust
the throttle cable(s).
Check and adjust
the throttle link rod.
Check the throttle
cam.
Refer
to
page
1
5-1
5-28
5-41
2
3
3-7
3-8
3-9
4
4-11
5
Refer
to
6
page
3-11
4-13
7
4-11
8
3-7
3-8
3-9
5-17 9
9-6