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Figure 52
1. Center electrode insulator
2. Side electrode
Installing the Spark Plugs
1. Install the spark plugs and metal washers.
2. Tighten the spark plugs to 18 to 22 ft-lb (24.4 to
29.8 N-m).
3. Push the wires onto the spark plugs (Figure 51).
4. Close and latch the seat.
3. Air gap (not to scale)
Fuel System
Maintenance
Replacing the Fuel Filter
Service Interval: Every 100 hours—Replace the fuel filter.
Every 400 hours/Yearly (whichever comes
first)—Inspect the fuel lines.
1. Set the parking brake, stop the pump, stop the engine,
and remove the ignition key.
2. Release the latch on the back of the seat and lift the
seat forward.
3. Clamp off the hose on either side of the fuel filter to
prevent gas from pouring out of the hoses when you
remove the filter.
4. Place a drain pan under the filter.
5. Squeeze the ends of the hose clamps together and slide
them away from the filter (Figure 53).
6. Remove the filter from the fuel lines.
1. Hose clamp
2. Fuel line
7. Install a new filter and move the hose clamps close to
the filter.
Ensure that the flow direction arrow points toward
the engine.
Draining the Fuel Tank
Service Interval: Every 400 hours/Yearly (whichever comes
first)
Drain and clean the fuel tank if the fuel system becomes
contaminated or if you plan to store the machine for an
extended period. Use fresh, clean fuel to flush out the tank.
1. Transfer the fuel from the tank into an approved fuel
container using a siphon pump, or remove the tank
from the machine and pour the fuel out of the tank fill
spout into the fuel container.
45
Figure 53
3. Filter
4. Flow direction arrow
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