«MAX» notch on the dipstick (3).
g) Close the cap (1) again and clean up any
traces of oil that was possibly spilt.
IMPORTANT
The engine holds a maxi-
mum of 1.2 litres of oil. Topup gradually adding
small amounts of oil at a time; check that the oil
level never exceeds the «MAX» notch on the
dipstick.
6.4
CLEAN SILENCER AND ENGINE
Silencer must be cleaned when the engine is
cold.
a) Use a jet of compressed air to remove any
debris and dirt that could cause a fire from the
silencer and its protective cover.
b) Make sure that the cooling air intakes (1) are
not blocked.
c) Clean the plastic components with a sponge
(2) soaked in water and detergent.
6.5
AIR FILTER MAINTENANCE
a) Clean the area around the filter cover (1).
b) Remove the cover (1) by unscrewing the two
knobs (2 - TRE0701 - TRE0801), or by press-
ing the tabs (2a - TRE0702).
c) Remove the filtering element (3a + 3b).
d) Remove the pre-filter (3b) from the cartridge
(3a).
e) Tap the cartridge (3a) on a solid surface and
blow it from the inside with compressed air to
remove dust and debris.
f) Wash the sponge pre-filter (3b) with water and
detergent and leave it to dry in the air.
IMPORTANT
Do not use water, petrol,
detergents or any other products to clean the
cartridge.
IMPORTANT
The sponge pre-filter (3b)
must NEVER be oiled.
g) Clean the inside of the filter housing (4) from
dust and debris, making sure to block the inlet
duct with a rag (5) to prevent them from enter-
ing the engine.
h) Remove the rag (5), install the filtering element
(3b + 3a) in its housing and refit the cover (1).
6.6
SPARK PLUG SERVICE
a) Remove the spark plug (1) using a spark plug
socket wrench (2).
b) Clean the electrodes (3) with a metal brush
and remove any carbonaceous build-up.
c) Using a thickness gauge (4), check for the
right gap (0.6 - 0.8 mm) between the elec-
trodes.
d) Install the spark plug (1) and tighten with a
socket wrench (2).
Replace the spark plug if the electrodes are burnt
or if the porcelain is broken or damaged.
WARNING!
Fire hazard! Do not check
the ignition system with spark plug re mo-
v ed.
IMPORTANT
Use only spark plugs of the
recommended type (see 8.1).
6
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