Table of Contents
Advertisement
CUSTOMER
RESPONSIBILITIES
CHECK, REPLACE
SPARK PLUG
Remove
motor cowl.
Disconnect
spark plug lead by twisting slightly
and pulling.
Remove, clean and inspect spark plugs.
Replace plug if tip of insulator is rough, cracked,
broken or blistered or ifthe electrodesare eroded.
•
Gap plug to .035 in. (0.9 mm).
•
Check spark plug gasket and carefully clean
spark plug seat on cylinder head.
IMPORTANT:
DO NOT OVERTIGHTEN
SPARK
PLUG OR DAMAGE
TO CYLINDER HEAD MAY
RESULT.
Spark plug leads are identified by a sleeve with
number
#1, #2 or #3.
- #1 is for top cylinder spark plug
- #2 is for middle cylinder spark plug
- #3 is for bottom cylinder spark plug
Install plugs finger tight, and then tighten about
1/4 turn or torque to 20 lb. ft. (27 N.m).
CHECK ENGINE
COOLING SYSTEM
If the motor overheats,
check that a spray of water
is coming
out of the water pump indicator
hose
(Figure
19). If no water is present, stop motor IM-
MEDIATELY
and have your Sears Service Center
check for cause.
A
Figure 19
SHIFT
INTO NEUTRAL
GEAR POSITION
AND
DISCONNECT
SPARK
PLUG
WIRES
TO
PREVENT
ACCIDENTAL
STARTING
AND
SERIOUS
INJURY
WHILE
SERVICING
THE
PROPELLER.
CHECK PROPELLER CONDITION
Check propeller for bent, chipped, cracked, or
missing blades-repair or replace as necessary.
Remove nut (Figure 20) securing propellerto pro-
peller shaft.
Pull propeller straight back and off propeller shaft
(Figure 21). If propeller is frozen to shaft, tap pro-
peller gently with a block of wood.
Lubricate propeller shaft liberally (See Lubrica-
tion Chart).
Reinstall propeller thrust washer, propeller and
nut. "13ghten nut to 120 lb. in. (13.5 N.m)
Figure20
Figure 21
- 21 -
Advertisement
Table of Contents
