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CARE AND MAINTENANCE
l Pull the recoil handle to rotate the engine to top dead
center (TDC). Looking through the spark plug hole; the
piston should be at the top (both valves are closed).
l Both rocker arms should be loose at TDC on the
compression stroke. If they are not, rotate the engine 360°.
l Insert a feeler gauge between the rocker arm and the
valve stem to measure valve clearance.
Intake Valve
Valve
0.0031 – 0.0047 in
Clearance
(0.08 – 0.12 mm)
Torque
l If an adjustment is necessary, loosen the jam nut.
l Slide the appropriate feeler gauge between the rocker
arm and the valve stem.
l Tighten the adjustment screw onto the push rod to
obtain the specified clearance.
NOTE: You should be able to feel the rocker arm touch
the feeler gauge.
l Hold the adjustment screw in place and tighten the nut.
Torque: 106 inch-pound (12 Nm)
l Recheck valve clearance.
l If no further adjustments are needed, perform this
procedure on the other valve.
l When finished, install the gasket, rocker arm cover, and
spark plug.
BATTERY REPLACEMENT
See Figure 29 .
CAUTION
contain lead and lead compounds. Wash hands
after handling.
l Remove the two battery plate bolts and battery plate.
Tilt the battery forward and remove.
l Disconnect the negative (-) cable (black boot) from the
negative (-) battery post.
l Disconnect the positive (+) battery cable (red boot) from
the positive (+) battery post.
NOTICE
the following sequence to avoid possible shock.
l On the replacement battery, connect the positive
(+) battery cable (red boot) to the battery positive (+)
terminal. Secure the boot over the battery post.
Exhaust Valve
0.0051 – 0.0067 in
(0.13 – 0.17 mm)
8-12 Nm
8-12 Nm
Battery
posts,
Always connect the cables in
l Connect the negative (-) battery cable (black boot) to
the negative (-) positive terminal. Secure the boot over
the battery post.
l Install the battery in the battery tray. Install the battery
plate and bolts. Tighten the bolts securely.
NOTICE
properly according to the guidelines established by
your local or state government
FIG. 28
A - Adjustment Screw
B - Jam Nut
C - Feeler Gauge
D - Rocker Arm
E - Valve Stem
F - Push Rod
FIG. 29
terminals
A - Battery
B - Battery Plate
C - Bolt
Dispose of the used battery
D
C
E
A
B
A
B
F
C
B
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