25
1
3. Remove the spark plug as shown,
with the spark plug wrench (2) inclu
-
ded in the owner’s tool kit.
2
4. Check that the porcelain insulator
(3) around the center electrode of
the spark plug is a medium-to-light
tan (the ideal color when the vehicle
is ridden normally).
3
4
CAUTION
If the spark plug shows a distinctly dif-
ferent color, the engine could be opera-
ting improperly. Do not attempt to diag-
nose such problems yourself. Instead,
have a dealer check the vehicle.
5. Check the spark plug for electrode
erosion (4) and excessive carbon or
other deposits, and replace it if ne-
cessary.
Specified spark plug:
NGK - DR8EA
!
WARNING
Please note that no other spark plug
model is allowed. Using a different
spark plug model can immediately
lead to engine damage.
6. Measure the spark plug gap with a
wire thickness gauge and, if neces-
sary, adjust the gap to specification.
Clean the surface of the spark plug
gasket and its mating surface, and
then wipe off any grime from the
spark plug threads.
7. Install the spark plug with the spark
plug wrench, and then tighten it to
the specified torque.
Spark plug gap: 0,6 - 0,7 mm
PERIODIC MAINTENANCE AND MINOR REPAIR
