Power unit
Checking the spark plug
1.
Disconnect the spark plug caps, and then
remove the spark plugs.
2.
Clean the electrodes
1
with a spark plug
cleaner or wire brush. Replace the spark
plug if necessary.
3.
Check the electrodes for erosion and
excessive carbon or other deposits, and
the gasket for damage. Replace the
spark plug if necessary.
4.
Check the spark plug gap
a
. Adjust if out
of specification.
5.
Install the spark plug temporary tight,
then to the specified torque with a spark
plug wrench.
Checking the thermostat
1.
Remove the thermostat covers
1
, gas-
kets
2
, and thermostats
3
.
2.
Suspend the thermostats
3
in a con-
tainer with water.
3.
Place a thermometer in the water and
slowly heat the water.
4.
Check the thermostat valve opening at
the specified water temperatures.
Replace if out of specification.
CHK
ADJ
3-3
61U5H11
Periodic check and adjustment
6B430030
a
6B430025
1
Specified spark plug:
E115AMH, E115AWH
B8HS-10 (NGK)
E115AE, E115AET
B8HS-10, BR8HS-10 (NGK)
115B
B8HS-10, BR8HS-10 (NGK)
140B
B9HS-10, BR9HS-10 (NGK)
Spark plug gap
a
:
0.9–1.0 mm (0.035–0.039 in)
Spark plug:
25 N·m (2.5 kgf·m, 18.4 ft·lb)
6B430060
3
1
2
61U30210
6B430070
61U5H11_03 05.10.13 11:43 AM Page 4
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Страница 1: ...115B SERVICE MANUAL 61U 28197 5H 11 140B E115A E115A 115B 140B ...
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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 ...
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Страница 256: ...YAMAHA MOTOR CO LTD Printed in Japan Oct 2005 1 2 1 E_1 Printed on recycled paper E115A 115B 140B ...