Maintenance
1Loosen the clamping screw for the cable’s outer casing and move the throttle to the full throttle position.
2Check that the throttle wire is attached to the correct hole in the lower lever, see diagram.
3Pull the throttle wire casing to the far left and tighten the clamping screw.
Checking and adjusting the choke wire
If the engine is producing black smoke or is difficult to start then the choke wire (upper wire) may be incorrectly adjusted.
If doubts arise, contact your service representative.
If it is necessary to adjust the choke, proceed as follows:
1Release the clamping screw that secures the wire casing and set the choke control to maximum choke.
2Check that the throttle wire is attached to the upper lever, see diagram.
3Pull the choke wire casing to the far right and tighten the clamping screw.
Replacement of fuel filter
Replace the fuel filter every 100 running hours (once per season) or more frequently if it is clogged.
Replace the filter as follows:
1Open the engine cover.
2Move the hose clips away from the filter. Use a pair of flat pliers.
3Pull off the filter from the hose ends.
4Press the new filter into the ends of the hoses. If necessary apply liquid detergent to the ends of the filter to facilitate connection.
5Push the hose clips back on the filter and tighten.
Replacing the air filter
WARNING! The exhaust system is hot. Let it
!cool before starting to replace the air filter.
If the engine seems to lack power or does not run smoothly this may be because the air filter is clogged. It is therefore important to replace the air filter at regular intervals (see Maintenance/Maintenance Schedule for the correct service interval).
Replace the air filter as follows:
1Remove the air filter unit by pressing on the catches with your fingers.
IMPORTANT INFORMATION
Never run the engine without the air filter fitted.
The filters must not be oiled. They must be fitted dry.
2Remove the
3 Clean the
4Dry the
5Tap the paper filter against a hard surface to shake off the dust.
22 – English