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HIGH FUEL CONSUMPTION
H
IGH CONSUMPTION
POSSIBLE CAUSE
Float level
Slackened nozzles
Fuel pump failure
Inefficient starter
Air filter clogged or dirty
EXCESSIVE EXHAUST NOISE
E
XCESSIVE NOISE WITH EXHAUST
POSSIBLE CAUSE
Cut-off valve of the secondary air device
does not work
Pressure inlet pipe from the secondary air
device disconnected or cracked
Reed valve of the secondary air device does
not close properly and deteriorates the rub-
ber coupling between the device and the
head pipe.
240
WORK
Restore the level in the basin by bending the fuel inlet
pin thrusting reed on the float so as to have the float
parallel to the basin plane with upturned carburettor.
Check the maximum and minimum nozzle locking into
their seat
Check that there is no fuel in the vacuum duct.
Check: electric connections, circuit continuity, mecha-
nical sliding, and presence of power
Remove the sponge, wash with water and shampoo,
then impregnate it in a 50% mixture of fuel and speci-
fic oil, the'n press it without squeezing, let it drip arrd
replace it.
WORK
Replace the secondary air device
Replace the pipe
Replace the device and coupling
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