4-10
Outboard motor troubleshooting
S
ymptom 1: High engine idle speed.
S
ymptom 1: Limited engine speed (below 2000–
3
000 r/min).
Compression pres-
sure is low
Improper valve timing
Check the valve timing.
Check the timing belt.
Compression leakage
Measure the valve clearance.
Check the rocker arm for damage.
Check the camshaft for damage.
Check the valve and valve seat for
wear.
Check the piston and piston ring for
damage.
Check the cylinder for scratches.
Symptom 2
Cause
Checking steps
See
page
—
Air leakage (throttle valve–
cylinder head)
Check the gaskets of the intake
manifolds and throttle body.
Check the intake manifold for
cracks.
Throttle link rod and the
throttle cable are not in-
stalled properly
Adjust the throttle link rod and the
throttle cable.
ISC valve malfunction
Check the ISC valve operation using
the YDIS.
Symptom 2
Cause
Checking steps
See
page
Buzzer comes on,
overheat alert indica-
tor comes on
Clogged cooling water inlet
Check the pilot hole for cooling water
discharge.
Check the cooling water inlet.
Water pump malfunction
Check the impeller.
Check the impeller key.
Check the insert cartridge.
Water leakage from water
pump housing
Check the water pump housing.
Check the outer plate cartridge.
Clogged cooling water pas-
sages
Check the cooling water passages.
Thermostat malfunction
Check the thermostat.
Symptom 2
Cause
Checking steps
See
page
Содержание F30B 2018
Страница 1: ...6BG 28197 ZX 11 LIT 18616 03 84 USA CAN AUS and NZL Worldwide 6BG 6BT 6BG 6BT ...
Страница 22: ...1 Specification Specification data 1 1 External dimensions 1 1 Clamp bracket dimensions 1 9 ...
Страница 35: ...2 3 Electronic control system Electrical components 3 4 5 6 7 8 9 10 11 1 2 ...
Страница 178: ...7 23 Wire harness 2 3 1 a c b 3 4 5 ...
Страница 342: ...Jul 2018 ABE E ...