Possible Cause Operation
The starter remains on Check: electric wiring, circuit not interrupted, mechanical
movement and power supply; replace if necessary
Minimum nozzle dirty Wash the nozzle with solvent and dry with compressed air
Excessive exhaust noise
EXCESSIVE EXHAUST NOISE
Possible Cause Operation
Secondary air device cut-off valve not working Replace the secondary air device
Depression intake pipe of the secondary air device disconnec-
ted or dented
Replace the pipe
Reed valve of the secondary air device does not close correctly
and wears out the rubber coupling between the device and the
head pipe
Replace the device and the coupling
High fuel consumption
HIGH FUEL CONSUMPTION
Possible Cause Operation
Float level Restore the level in the tank by bending on the float the thrust-
ing reed of the petrol inlet rod so as to have the float parallel to
the tank level with the carburettor inverted.
Loose nozzles Check the maximum and minimum nozzles are adequately
fixed in their fittings
Fuel pump failure Check that there is no fuel in the low-pressure duct
Starter inefficient Check: electric wiring, circuit continuity, mechanical sliding and
power supply
Air filter blocked or dirty. Remove the sponge, wash with water and car shampoo, then
soak it in a mixture of 50% petrol and 50% specific oil. Press
with your hand without squeezing, allow it to drip dry and refit.
Engine overheating
ENGINE OVERHEAT
Possible Cause
Operation
No coolant in the cooling circuit Restore the level
Incorrect air bleeding Repeat the operation
Thermostat remains closed Replace
Fluid leak in the radiator Replace the radiator
Coolant leaking from the cooling system Inspect the whole circuit to spot the leak.
Coolant leakage through the crankcase drainage hole Replace the pump
SAS malfunctions
ANOMALIES IN THE SECONDARY AIR DEVICE
Possible Cause
Operation
Secondary air device cut-off valve not working Replace the secondary air device
Depression intake pipe of the secondary air device disconnec-
ted or dented
Replace the pipe
Reed valve of the secondary air device does not close correctly
and wears out the rubber coupling between the device and the
head pipe
Replace the device and the coupling
Carnaby 125 - 200 Troubleshooting
TROUBL - 59
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