Possible Cause
Operation
Incorrect valve sealing or valve adjustment
Inspect the head and/or restore the correct clear-
ance
Engine flooded
Try starting-up with the throttle fully open. If the
engine fails to start, remove the spark plug, dry it
and before refitting, make the motor turn so as to
expel the fuel excess taking care to connect the
cap to the spark plug, and this in turn to the ground.
If the fuel tank is empty, refuel and start up.
Automatic starter failure
Check: mechanical movement, electric connec-
tion and fuel supply, replace if required.
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.
Faulty spark plug or incorrect ignition advance
Replace the spark plug or check the ignition circuit
components
The carburettor is dirty; fuel pump or vacuum valve
damaged
Remove, wash with solvent and dry with com-
pressed air or replace
Flat battery
Check the charge of the battery, if there are any
sulphur marks, replace and use the new battery
following the instructions shown in the chapter
Intake coupling cracked or clamps incorrectly
tightened
Replace the intake coupling and check the clamps
are tightened
Defective floating valve
Check the proper sliding of the float and the func-
tioning of the valve
Carburettor nozzles clogged
Dismantle, wash with solvent and dry with com-
pressed air
Fuel pump fault
Check the pump control device
Excessive oil consumption/Exhaust smoke
EXCESSIVE OIL CONSUMPTION/SMOKEY EXHAUST
Possible Cause
Operation
Worn valve guides
Check and replace the head unit if required
Worn valve oil guard
Replace the valve oil guard
Oil leaks from the couplings or from the gaskets Check and replace the gaskets or restore the cou-
pling seal
Worn or broken piston rings or piston rings that
have not been fitted properly
Replace the piston cylinder unit or just the piston
rings
Insufficient lubrication pressure
LOW LUBRICATION PRESSURE
Possible Cause
Operation
By-Pass remains open
Check the By-Pass and replace if required. Care-
fully clean the By-Pass area.
Oil pump with excessive clearance
Perform the dimensional checks on the oil pump
components
Oil filter too dirty
Replace the cartridge filter
Oil level too low
Restore the level adding the recommended oil
type
XEVO 125 Euro 3
Troubleshooting
TROUBL - 3
Содержание XEVO 125 Euro 3
Страница 4: ......
Страница 6: ......
Страница 7: ...INDEX OF TOPICS CHARACTERISTICS CHAR ...
Страница 22: ...Characteristics XEVO 125 Euro 3 CHAR 16 ...
Страница 23: ...INDEX OF TOPICS TOOLING TOOL ...
Страница 35: ...INDEX OF TOPICS MAINTENANCE MAIN ...
Страница 51: ...INDEX OF TOPICS TROUBLESHOOTING TROUBL ...
Страница 58: ...Troubleshooting XEVO 125 Euro 3 TROUBL 8 ...
Страница 59: ...INDEX OF TOPICS ELECTRICAL SYSTEM ELE SYS ...
Страница 87: ...INDEX OF TOPICS ENGINE FROM VEHICLE ENG VE ...
Страница 93: ...INDEX OF TOPICS ENGINE ENG ...
Страница 149: ...XEVO 125 Euro 3 Engine ENG 57 ...
Страница 174: ...Engine XEVO 125 Euro 3 ENG 82 ...
Страница 175: ...INDEX OF TOPICS SUSPENSIONS SUSP ...
Страница 198: ...Suspensions XEVO 125 Euro 3 SUSP 24 ...
Страница 199: ...INDEX OF TOPICS BRAKING SYSTEM BRAK SYS ...
Страница 211: ...INDEX OF TOPICS COOLING SYSTEM COOL SYS ...
Страница 215: ...Locking torques N m Thermostat cover screws 3 4 XEVO 125 Euro 3 Cooling system COOL SYS 5 ...
Страница 216: ...Cooling system XEVO 125 Euro 3 COOL SYS 6 ...
Страница 217: ...INDEX OF TOPICS CHASSIS CHAS ...
Страница 235: ...INDEX OF TOPICS PRE DELIVERY PRE DE ...
Страница 239: ...INDEX OF TOPICS TIME TIME ...
Страница 242: ...Crankshaft CRANKSHAFT Code Action Duration 1 001117 Crankshaft Replacement Time XEVO 125 Euro 3 TIME 4 ...
Страница 261: ...Legshield spoiler FRONT SHIELD Code Action Duration 1 004020 Headlight frame Replace ment XEVO 125 Euro 3 Time TIME 23 ...
Страница 271: ...Seat SADDLE Code Action Duration 1 004003 Saddle Replacement XEVO 125 Euro 3 Time TIME 33 ...
Страница 279: ...Electric devices XEVO 125 Euro 3 Time TIME 41 ...
Страница 288: ...Windscreen WINDSHIELD Code Action Duration 1 004101 Windshield Replacement Time XEVO 125 Euro 3 TIME 50 ...
Страница 289: ...Stickers TRANSFERS Code Action Duration 1 004159 Plates Stickers Replace ment XEVO 125 Euro 3 Time TIME 51 ...