32 MAINTENANCE
Spark Plug Service
WARNING
Engines can become extremely hot during
normal operation. Hot engine components
can cause severe burns. Stop the engine and
allow it to cool before checking spark plugs.
Clean or replace the spark plugs and reset the
gap every 100 hours of operation.
NOTE
○
If a torque wrench is not available, this item
should be serviced by an authorized Kawasaki
engine dealer or equally qualified service facility.
•
Disconnect the spark plug caps from the spark
plugs and remove the spark plugs.
•
Clean the electrodes by scraping or using a non-
metal brush (nylon etc.) to remove carbon depos-
its.
•
Inspect for cracked porcelain, other wear or dam-
age. Replace the spark plug with a new one if
necessary.
•
Check the spark plug gap and reset it if neces-
sary. To change the gap, bend only the side elec-
trode, using a spark plug tool.
Spark Plug Gap
NGK BPR4ES 0.75 mm (0.030 in.)
•
Tighten the spark plugs.
Tightening Torque
Spark Plugs:
22 N·m (2.2 kgf·m, 16 ft·lb)
•
Fit the spark plug caps on the spark plugs se-
curely.
•
Pull up the spark plug caps lightly to make sure of
the installation of the spark plug caps.
RECOMMENDED SPARK PLUG
NGK ..................................BPR4ES
A. Spark Plug Gap
B. Electrodes