Release 00 - 02/2008
Engine WBE 0701-WBE 0704
pag. 2
Service manual
8. CARBURATION
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
(20).
Verify that the rubber tip of the needle is not marked
or worn.
11 - Clean the carburettor (11), 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 gasket (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 float chamber drain screw (
2) must be facing
forwards.
13 - Remount the tie rods (8), (9) and (10) checking
that the governor system moves smoothly without
stopping.
14 -
Always replace washers (7) and (12) when
re-mounting the carburettor onto the engine.
15 - Fit the filter and tighten the relative nuts (
5) to
the torque indicated. Refit the filter element
22
2
21
19
20
16
17
18
<< BACK >>
back to the index
