MAINTENANCE
Air Screw Adjustment
1. Set idle speed to specification. Always check throttle
cable
freeplay after adjusting idle speed and adjust if necessary.
2. To adjust the mixture screw setting, you will need to use
the Adjustment Screwdriver. Slowly turn the mixture
screw clockwise until engine idle RPM begins to decrease.
Stop turning at this point.
3. Slowly turn mixture screw counterclockwise until idle
speed returns to maximum RPM. Continue turning
counterclockwise until idle RPM begins to drop. Stop
turning at this point.
4. Center the mixture screw between points in Step 2 and
3.
5. Readjust idle speed if not within specification.
Fuel Filter
The fuel filter should be replaced in accordance with the
“Periodic Maintenance Chart” or whenever sediment is
visible
in the filter.
Fuel Filter Location - Located in-line between fuel
valve and carburetor inlet.
To service the fuel filter:
1. Shut off fuel supply at fuel valve.
2. Remove line clamps at both ends of the filter.
3. Remove fuel lines from filter.
4. Install new filter and clamps onto fuel lines.
5. Turn fuel valve to ‘ON’.
6. Start engine and inspect for leaks.
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