Release 00 - 03/2018
Engine RS100 - RSC100
page 31
Service manual
CHOKE
10. GOVERNOR SYSTEM OF THE CARBURETTOR
General information
The carburettor governor system uses a engine shaft linkage tted on a support xed to the left-hand side of
the engine, completed by a counterweight device, driven by the camshaft, and thus sensitive to changes
in the engine’s revolution pattern depending on load.
The force of the counterweights, transferred to the control lever, tends to shut the main carburettor butter-
y, in opposition with the spring that would keep it open; the balance between the spring loading and the
thrust of the counterweights on the control lever modies the buttery opening and adapts the ow of fuel
to the engine so that the revolution speed is kept constant with engine load changes.
See the relevant section [
16] for advice on resolving problems related to the governor system.
10.1. Adjusting of accelerator cable (
model
RSC100)
1 - Remove the lter holder [
8.1].
2 - Loosen the screw (1) of the clamp (2) so that the
cable casing (3) is free to move.
3 - Set the throttle control lever (4) to “CHOKE”.
4 - Move governor control lever (5) forward as far
as possible and, by keeping it in this position, lock
the casing (3) full tightening the screw (1) of the
clamp (2).
2
1
3
4
5
1
3
2
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