6F65G11
5-4
9
8
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5
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Special service tools/Power unit
Power unit
Checking the compression pressure
1.
Start the engine, warm it up for 5 min-
utes, and then turn it off.
2.
Remove the clip from the engine stop
lanyard switch.
3.
Remove the spark plug caps and all
spark plugs, and then install the special
service tools into a spark plug hole.
c
C
Before removing the spark plugs, blow
compressed air in the spark plug well to
clear out any dirt or dust that may fall into
the cylinder.
4.
Fully open the throttle, and then crank the
engine until the reading on the compres-
sion gauge stabilizes.
NOTE:
Do not pull the choke knob when checking
the compression pressure.
5.
If the compression pressure is below
specification and the compression pres-
sure for each cylinder is unbalanced, add
a small amount of engine oil to the cylin-
ders, and then check the compression
pressure again.
NOTE:
9
If the compression pressure increases,
check the pistons and piston rings for wear.
Replace if necessary.
9
If the compression pressure does not
increase, check the cylinder head gasket,
and cylinder head. Replace if necessary.
Compression gauge:
90890-03160
6F650010
Minimum compression pressure
(reference data):
480 kPa (4.8 kgf/cm
2
, 70 psi)
Содержание E40G
Страница 1: ...E40J SERVICE MANUAL 6F6 28197 5G 11 E40G ...
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Страница 16: ...GEN INFO 1 11 6F65G11 MEMO ...
Страница 28: ...2 11 6F65G11 SPEC MEMO ...
Страница 54: ...FUEL 4 13 6F65G11 MEMO ...
Страница 101: ...6F65G11 6 4 9 8 7 6 5 4 3 2 1 Special service tools Backlash indicator 90890 06706 ...
Страница 120: ...LOWR 6 23 6F65G11 Lower unit Shimming M T 6F660860 ...
Страница 143: ...6F65G11 6 46 9 8 7 6 5 4 3 2 1 Drive shaft and lower case Shimming Shimming T3 M3 M2 6F660440 T2 T1 M1 ƒ π ...
Страница 150: ...BRKT 7 1 6F65G11 Bracket unit Special service tools Needle bearing attachment 90890 06613 Driver rod L3 90890 06652 ...
Страница 174: ...ELEC 8 5 6F65G11 Electrical systems Starboard view MH 6F680030 3 2 1 1 1 Spark plug 2 Ignition coil 3 CDI unit ...
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Страница 200: ...YAMAHA MOTOR CO LTD Printed in Japan Jul 2004 0 8 1 E Printed on recycled paper ...