Engine Tends To Cut-Off At Idle; Excessive Exhaust Noise; High Fuel Consumption; Sas Malfunctions - PIAGGIO NRG Power DT Workshop Manual

Troubleshooting

Engine tends to cut-off at idle

Possible Cause
Minimum nozzle dirty
Starter that stays open
Reed valve does not close
Wrong idling adjustment
Spark plug defective or faulty

Excessive exhaust noise

Possible Cause
Secondary metal air pipe deteriorated
Good condition of the missing secondary air circuit
components

High fuel consumption

Possible Cause
Air filter blocked or dirty.
Starter inefficient

SAS malfunctions

SLACKENING OF THE RUBBER JOINT OF THE SECONDARY AIR PIPE ON THE MUF-
Possible Cause
Secondary air reed blocking
Secondary air filter clogging
Blockage of the secondary air fitting on the muffler
Transmission and brakes
TROUBL - 4
ENGINE STOP IDLING
Wash the nozzle with solvent and dry with com-
Check: electric wiring, circuit continuity, mechani-
Correctly adjust the engine idling and check the
Replace the spark plug with one with the specified
INCREASED NOISINESS
Check the seal of the piping on the crankcase and
on the housing, check the piping between the
Check the individual components and the piping,
check the precision of the fitting. Replace the dam-
HIGH FUEL CONSUMPTION
Check: electric wiring, circuit continuity, mechani-
FLER
Remove the encrustations from the joint being
careful not to let the debris fall into the muffler
NRG Power DT
Operation
pressed air
cal sliding and power supply
Check / replace the reed pack
level of the C.O.
degree and check the plug gap
Operation
housing and the muffler.
aged components
Operation
Clean according to the procedure
cal sliding and power supply
Operation
Replace
Clean the filter and the housing