Release 00 - 03/2018
Engine RS100 - RSC100
page
25
Service manual
22
12
8. CARBURATION
( valid for RSC100 model)
8 - Pull out the pin (
16), dismount the float (17
) and
remove the gasket (
18
).
9 - Undo the main jet (
19
) and pull out the pilot jet
(
20
).
10 - Check that no impurities or dirt are deposited
in the seat of the needle (
21
) 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.
11 - Clean the carburettor (
10
) the main jet (
19
) and
the pilot jet (
20
) thoroughly by immersing them in
clean petrol (or a detergent) for 24 hours.
Dry with compressed air, blowing well through the
carburettor holes.
12 - Mount the carburettor following the previous
points 8, 7 and 6 in reverse order, remembering
that:
-
It is always advisable to replace the washer
(
18
) and the O-Ring (
15) of the float chamber;
- the float (17
) must oscillate freely on the pin (
16
);
- the jet (
19) should never be modified or replaced
with others even if they seem to have the same
specifications;
- the choke (
22
) must open and close regularly;
- the screw (
12
) to drain the tank should be facing
the front of the engine.
13 - Remount the tie rods (
7
), (
8
) and (
9
) checking
that the governor system moves smoothly without
stopping.
14 -
Always replace washers (
6
) and (
11
) when
re-mounting the carburettor onto the engine.
15 - Fit the filter and tighten the relative nuts (1
) to
the torque indicated. Refit the filter element
21
19
20
16
17
18
10
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