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Maintenance
5 Carefully clean the fan housing so that dirt does not fall
down into the carburettor.
6 Insert a new precleaner and air filter cartridge in the fan
housing.
7 Align the tabs on the cover with the slits in the housing and
replace the air filter cover.
8 Pull the handle outwards. Secure the handle in the air
filter cover and close the cover by pressing it inwards.
Checking the fuel pump’s air filter
Check regularly that the fuel pump’s air filter is free from dirt.
The filter can when necessary be cleaned with a brush.
Check the level of the battery acid
Check that the level of the battery acid lies between the
markings. Top up the cells with distilled water only.
Ignition system
The engine is equipped with an electronic ignition system.
Only the spark plug requires maintenance.
For recommended spark plug, see Technical data.
Replacing the spark plug
1 Remove the ignition cable shoe and clean around the
spark plug.
2 Remove the spark plug with a 3/4” (19 mm) spark plug
socket wrench.
3 Check the spark plug. Replace the spark plug if the
electrodes are burned or if the insulation is cracked or
damaged. Clean the spark plug with a steel brush if it is to
be reused.
4 Measure the electrode gap with a gapping tool. The gap
should be 0.75 mm/0.030”. Adjust as necessary by
bending the side electrode.
5 Reinsert the spark plug, turning by hand to avoid
damaging the threads.
6 Tighten the spark plug, once it touches the seating, with
the spark plug spanner. Tighten the spark plug so that the
washer is compressed. A used spark plug should be
turned 1/8 of a turn from the seated position. A new spark
plug should be turned a 1/4 turn from the seated position.
7 Replace the ignition cable shoe.
!
WARNING!
Procedures on contact with acid
External: Rinse well with plenty of water.
Internal: Drink large quantities of water or
milk. Contact a doctor as soon as possible.
Eyes: Rinse well with plenty of water.
Contact a doctor as soon as possible.
Batteries emit explosive gas. Sparks, flames
and cigarettes must absolutely not be
brought into the vicinity of the battery.
IMPORTANT INFORMATION
Fitting the wrong spark plug type can damage the engine.
IMPORTANT INFORMATION
Inadequately tightened spark plugs can cause overheating
and damage the engine. Tightening the spark plug too
much can damage the threads in the cylinder head.
Do not turn over the engine if the spark plug or ignition cable
has been removed.