Refer
Symptom 2
Cause 1
Cause 2
Checking step
to
page
61U5H11
9-2
9
8
7
6
5
4
3
2
1
Troubleshooting the power unit
Refer
Symptom 2
Cause 1
Cause 2
Checking step
to
page
Manual starter
or starter motor
operates, but
the engine does
not crank
Stuck piston
—
Disassemble and
check the power unit.
5-17
Piston lock due to
water or oil in the com-
bustion chamber
—
Disassemble and
check the upper case.
7-13
Salt buildup on the
drive shaft and bushing
Deterioration or dirty
fuel
Replace the new fuel.
—
3-2
4-16
4-12
—
Fuel supplied to the
carburetor improperly
Check the fuel filter for
clog.
Fuel not
supplied
—
Fuel filter
malfunction
Check the fuel pump.
Fuel pump
malfunction
—
Adjust and check the
carburetor.
Carburetor malfunction
8-10
Engine stop lanyard
switch malfunction
Check for continuity.
—
4-17
Check the fuel joint
pressure.
Fuel joint
malfunction
Symptom 1: Engine will not start (engine cranks)
Spark plug malfunction
Spark plug does
not spark
*1
Short, open or loose
connection in ignition
coil circuit and ground
circuit
Check the wiring har-
ness continuity.
—
5-8
8-6
Ignition coil malfunction
Ignition coil
resistance out
of specifications
Change the ignition coil
and check the ignition
spark.
8-8
5-8
8-6
CDI unit malfunction
Measure the charge
coil output peak voltage
and resistance.
Change the CDI unit
and check the ignition
spark.
CDI unit output
peak voltage
less than speci-
fications
3-3
Check the spark plug
gap and condition.
Spark plug gap
improperly
*1
See the wiring diagram
61U5H11_09 05.10.11 9:16 Page 3
Содержание E115A
Страница 1: ...115B SERVICE MANUAL 61U 28197 5H 11 140B E115A E115A 115B 140B ...
Страница 4: ......
Страница 79: ...61U5H11 4 18 9 8 7 6 5 4 3 2 1 MEMO ...
Страница 136: ...POWR 5 55 61U5H11 Power unit MEMO ...
Страница 159: ...61U5H11 6 22 9 8 7 6 5 4 3 2 1 Shimming Shimming 6G46090E T3 M3 M4 M1 M2 T1 T2 F R P ...
Страница 255: ......
Страница 256: ...YAMAHA MOTOR CO LTD Printed in Japan Oct 2005 1 2 1 E_1 Printed on recycled paper E115A 115B 140B ...