Use and Care Manual

MAINTENANCE 27
Spark Plug Service
WARNING
Hot engine components can cause severe
burns.
Stop engine and allow it to cool before check-
ing spark plugs.
Clean or replace the spark plugs and reset spark
plug gap (A) e
very 100 hours of operation.
•
Disconnect the spark plug caps from the spark
plugs and remove the spark plugs.
Clean the electrodes (B) by scraping with a wire
brush to remove carbon de posits.
Inspect for cracked porcelain or other wear and
damage. Replace the spark plug with a new one
if necessary.
Check the spark plug gap and reset if necessary.
The gap must be 0
.75 m m (0.0 3 0 in). To change
the gap, bend only the side–electrode, using a
spark plug tool.
Install and tighten the spark plugs to 2
2 N·m (2.2
kgf·m, 16 ft·lb). Connect the spa rk plug caps.
RECOMMENDED SPARK PLUG
NGK ..................................BPR4ES
A. Spark Plug Gap
B. Electrodes
28 MAINTENANCE
Fuel Filter and Fuel Pump Service
WARNING
Improper use of solvents can result in fire or
an explosion.
Do not use gasoline or low flash-point sol-
vents to clean the fuel filter and/or the fuel
pump.
Clean only in a well ventilated area away from
sources of sparks or flame, including any ap-
pliances with a pilot lamp.
•
The fuel filter can not be disassembled. If the fuel
filter gets clogged, replace it with a new one.
The fuel pump can not be disassembled. If the fuel
pump fails, r eplace it with a new one.
30
MAINTENANCE