PIAGGIO NRG POWER PUREJET, Руководство по ремонту, Страница: 40 / 248

This section makes it possible to find the solutions to use in troubleshooting.
For each breakdown, a list of the possible causes and respective interventions is given.
Engine
Poor performance
POOR PERFORMANCE
Possible Cause Operation
Defective fuel pump or damaged depression line Replace the pump or control lines
Fuel filter dirty or clogged Clean the coupling filter
Excess of encrustations in the combustion cham-
ber
Remove the encrustations
Lack of compression wear of the piston rings or
cylinder
Check the worn parts and replace them
Exhaust pipe clogged due to excessive encrusta-
tions
Replace the exhaust pipe and check the carbura-
tion and mixer timer
Air filter blocked or dirty Clean according to the procedure
Clutch slipping Check the centrifugal brake shoe assembly and /
or clutch bell and replace if necessary
Defective mobile pulley sliding Check the parts, change the faulty parts and lubri-
cate the driven pulley using only Montblanc-Mo-
libdenum Grease (dis. 498345) grease
Transmission belt worn Replace
Roller wear; Presence of oil; Dirt Clean the speed variator, replace the rollers if worn
out
Rear wheel spins at idle
REAR WHEEL
Possible Cause Operation
Intake manifold cracked or incorrectly tightened Make sure the manifold is not damaged and that it
is correctly tightened on the throttle body and
crankcase
Clutch fault Check the spring/friction mass and the clutch bell
Starting difficulties
DIFFICULTY IN STARTING
Possible Cause Operation
Defective fuel pump or damaged depression line Replace the pump or control lines
Battery flat Check the state of the battery. If it shows signs of
sulphation replace it and bring the new battery into
service charging it for eight hours at a current of
1/10 of the capacity of the battery itself
Altered fuel characteristics Drain off the fuel no longer up to standard; then,
refill
Defective spark plug or with incorrect electrode
gap
Remove the encrustation, restore the plug gap or
replace being sure to use the types of spark plug
Troubleshooting
NRG Power Purejet
TROUBL - 2