(&I
HONDA
Remove the air cleaner element.
Wash the element in non-flammable or high
flashpoint solvent and allow the element to
dry.
Submerge the air cleaner element in clean gear
oil
(SAE80-90) or engine oil. Squeeze out
excess oil.
Reinstall the element and air cleaner cover.
FUEL LINE INSPECTION
Marke sure that there is no deterioration,
damage, or leaks in fuel tube and joints.
If there is any deterioration, damage or
leakage, install new parts.
COMPRESSION TEST
Warm up the engine.
Remove the spark plugs.
Insert the compression gauge.
Open the choke and throttle valves fully.
Crank the engine electrically or operate the
kick starter.
stops rising. The maximum reading is
usually reached in five or six revolutions
(kick pedal) or several seconds (electric
starter).
COMPRESSION PRESSURE:
13
+
1
kg/cm2
(185
?
14
psi)
If the compression pressure is low, check the
following items:
Leaky valves
Improper valve tappet clearance
Blown cylinder head gasket
-
Worn pistonlcylinder
If the
compression
is
high,
it
indiates that
carbon deposits have accumulated on the
combustion chamber wall or on the piston
top.
3-
8
Date of Issue: September,
1977
O
HONDA MOTOR
CO.,
LTD.
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