Cylinder Compression Test; Cylinder Head Cover Removal - Honda INTERCEPTOR 2002 Service Manual

CYLINDER HEAD/ VALVES
CYLINDER COMPRESSION TEST
To avoid discharging
the battery, do not
operate the starter
motor for more
than seven sec-
onds.
Warm up the engine to normal ope rating tempera-
ture.
Open and support the fuel tank using the equipped
tools (page 3-5).
Stop the engine and remove the al l direct ignit ion
coil/spark plug caps and spark plugs (page 3-7).
Disconnect the fu el pump 2P (Brown) connector.
Install a compression gauge into the spark plug
hole.
TOOL:
Compression gauge
attachment
07RMJ-MY50100
(Equivalent commer-
cially available in
U.S.A.)
Open the throttle all the way and crank the engine
with the starter motor until the gauge reading stops
rising.
The maximum reading is usually reached within 4-
7 seconds.
Compression pressure:
981- 1,373 kPa (10.0 -14.0 kgf/cm
2
,
142-178 psi) at
300 rpm
Low compression can be caused by:
- Blown cylinder head gasket
- Improper valve adjustment
- Valve leakage
- Worn piston ring or cylinder
High compression can be caused by:
- Carbon deposits in combustion chamber or on
piston crown
CYLINDER HEAD COVER REMOVAL
8-6
Open and support the fuel tank using t he equipped
tools (page 3-5).
Remove the bolt and fuel tank stopper chain from
t he fuel tank.
COMPRESSION GAUGE