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REPLACE SPARK PLUG
Service Interval: 200 Hours.
Replacement Spark Plug: Champion RC12YC or equiv-
alent
Spark Plug Gap: .040" (lmm)
1. Stop the engine and allow it to cool.
2. Clean the area around the spark plug (A, Figure 28).
3. Remove the spark plug and inspect it. If at all dam-
aged or worn, replace it.
4. Check the spark plug gap. The gap (new or used
plug) should be .040" (see Figure 27).
5. Reinstall the plug into the cylinder head (Figure 28).
Torque the plug to 28-32 ft. Ibs. (38-43 N.m.).
Figure 27. Spark Plug Gapping
-- .040"
REPLACE FUEL FILTER
WARNING
Gasoline is highly flammable and must be
handled with care. Never fill the tank when the
engine is still hot from recent operation. Do not
allow open flame, smoking or matches in the area.
Avoid over=filling and wipe up any spills.
Do not remove fuel filter when engine is hot, as
spilled gasoline may ignite. DO NOT spread hose
clamps further than necessary. Ensure clamps
grip hoses firmly over filter after installation.
Service Interval: 200 Hours.
The fuel filter is located in the fuel line between fuel tank
and carburetor. If the filter is dirty or clogged, replace as
follows:
1. Stop the engine and allow the unit to cool.
2. Disconnect the negative battery cable from the nega-
tive battery terminal (C, Figure 28).
3. Using locking pliers, clamp off the fuel line on both
sides of the fuel filter (B).
4. Place a suitable container under the fuel filter to
catch spilled fuel.
5. Spread the fuel filter clamps only far enough to
remove the clamps. Move the clamps away from the
fuel filter.
6. Remove and replace the fuel filter.
7. Secure the fuel filter with the original clamps and
remove the locking pliers.
8. Reconnect the negative battery cable (C) when fin-
ished.
Figure 28. Engine Compartment
A. Spark Plug
B. Fuel Filter
C. Negative Battery Terminal & Cable
25