6S35H11
9-6
9
8
7
6
5
4
3
2
1
Troubleshooting the power unit
Refer
Symptom 2
Cause 1
Cause 2
Checking step
to
page
Symptom 1: Limited engine speed (below 2,000 r/min)
Clogged cooling water
inlet
Check the cooling
water inlet.
3-4
9
Buzzer comes
on
9
Overheat warn-
ing indicator
comes on
9
Cooling water
does not dis-
charge from the
cooling water
pilot hole
9
Buzzer comes
on
9
Oil level warn-
ing indicator
comes on
—
Water pump
malfunction
Clogged cooling water
passage
Thermostat
malfunction
Check the impeller.
6-5
6-34
Water pump
impeller
malfunction
Check the Woodruff
key.
6-5
6-34
Water leakage
from water
pump housing
—
—
Check the water pump
housing.
6-5
6-34
Check the insert car-
tridge.
6-5
6-34
Check the outer plate
cartridge.
6-5
6-34
Check the cooling
water passage
(exhaust guide, and
upper case).
Check the thermostat.
7-10
3-3
Oil level decrease
Oil feed pump
malfunction
Check the oil feed
pump.
8-23
Clogged oil
hose
Check the oil hose.
4-1
Oil hose
disconnected
Connect the oil hose.
(power unit and remote
oil tank)
4-1
Emergency
switch
malfunction
Check the emergency
switch and circuit.
8-23
6S35H11_09 05.9.30 15:01 Page 7
Summary of Contents for 250GETO
Page 1: ...L250G SERVICE MANUAL 6S3 28197 5H 116 250G 250G L250G ...
Page 4: ......
Page 135: ... MEMO 9 8 7 6 5 4 3 2 1 6S35H11 5 48 ...
Page 201: ...6S35H11 6 64 9 8 7 6 5 4 3 2 1 MEMO ...
Page 291: ......
Page 292: ...YAMAHA MOTOR CO LTD Printed in Japan Aug 2005 1 4 1 E_2 Printed on recycled paper 250G L250G ...