Release 00 - 03/2018
Engine RS100 - RSC100
page
29
Service manual
10
9. CARBURATION
( valid for RS100 model)
9 - Pull out the pin (
14), dismount the float (15
) and
remove the gasket (
16
).
10 - Undo the main jet (
17
) and pull out the pilot
jet (
18
).
11 - Check that no impurities or dirt are deposited
in the seat of the needle (
17
) and of the pilot jet.
Make sure the rubber tip of the needle and the
float are not marked or worn. If they are, replace
them.
12 - Clean the carburettor (
8
) the main jet (
17
) and
the pilot jet (
18
) thoroughly by immersing them in
clean petrol (or a detergent) for 24 hours.
Dry with compressed air, blowing well through the
carburettor holes.
13 - Mount the carburettor following the previous
points 9, 8 and 7 in reverse order, remembering
that:
-
It is always advisable to replace the washer
(
16
) and the O-Ring (
13) of the float chamber;
- the float (15
) must oscillate freely on the pin (
14
);
- the jet (
17) should never be modified or replaced
with others even if they seem to have the same
specifications;
- the screw (
10
) to drain the tank should be facing
the front of the engine.
14 - Remount the tie rods (
6
) and (
7
) checking
that the governor system moves smoothly without
stopping.
15 -
Always replace washers (
5
) and (
9
) when
re-mounting the carburettor onto the engine.
16 - Fit the filter and tighten the relative nuts (1
) to
the torque indicated. Refit the filter element
19
17
18
14
15
16
8
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