Incorrect Idling Speed - Morini Franco Motori S6-C COMPETITION Service Manual

Incorrect idling speed

Idling speed
too high or
too low
NO
False air
intake from
carburetor
manifold
NO
False air
intake
from engine
crankshaft
oil seals
Adjust the RPM of the idling speed
YES
(with engine warm) by adjusting the
screw on the throttle valve of the
carburetor.
Disassemble the carburetor and
clean all parts (nozzles, throttle val-
YES
ve, jet needle, float chamber and
body) with solvent and dry by using
compressed air.
YES
Check the integrity of the
carburetor manifold gaskets.
Check the integrity of the rubber
YES
coupling sleeve that connects the
carburetor and air filter box .
Check the reed valve gasket.
YES
Check the integrity of the
YES
crankshaft oil seals. Replace
even if only slightly damaged.
Page 11
ENGINE
S6 /C