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SPARK PLUG
WARNING
To avoid possible injury, be sure the engine is
off and has cooled before making any
adjustments or repairs.
NOTE
Remove all dirt from around the spark plug
before removing.
To remove the spark plugs, always use a spark plug
wrench. Check the gap after every 100 hours of
operation.
Replace a defective plug with a new plug. Set the
spark plug gap at .030 inch (See Figure 24). Tighten
the plug to 18-22 ft-lbs. See your authorized dealer for
the correct replacement plug.
Figure 24
FUEL FILTER
WARNING
Do not replace the fuel filter when engine is hot.
The engine is equipped with an inline fuel filter.
Visually inspect the filter periodically for a build-up of
residue inside the filter body, and for a dirty element
which can be indicated by discoloration. Replace the
fuel filter when dirty.
HEADLIGHTS
Refer to SPECIFICATIONS when replacement of
head lamp bulbs is necessary.
WARNING
Allow the engine and surrounding surfaces to
cool before changing the head lamp bulbs.
Replace headlight bulbs as follows: (See Figure 25)
1. Unplug the wire harness leads from the headlight
socket terminals. Note which wire connects to
each terminal before disconnecting.
2. Rotate the socket assembly as follows to remove
from the reflector housing:
• Left headlight — appoximately 1/4 turn counter-
clockwise.
• Right headlight — approximately 1/4 turn clock-
wise.
3. Push the bulb inward and turn counterclockwise to
remove from the socket.
Figure 25
4. Align a locking post of the bulb base with the notch
in the socket, then push the bulb inward and turn
clockwise to lock
5. With the terminals pointing upward, align the tab of
the socket with the notch of the reflector. Push the
socket inward and turn as follows to lock:
• Left headlight — appoximately 1/4 turn clock-
wise.
• Right headlight — approximately 1/4 turn coun-
terclockwise.
6. Connect the wire harness leads to the appropriate
socket terminals.
SPARK PLUG
REFLECTOR
NOTCH
SOCKET TAB
TERMINAL
SOCKET
REFLECTOR
HOUSING