60
TROUBLESHOOTING
NOTE
This is not an exhaustive list of malfunctions, it only shows the most com-
mon problems.
MALFUNCTION
POSSIBLE CAUSE
REMEDY
1
Engine does not crank
- Seized crankshaft.
- Seized cylinder / piston / jornal bearing.
- Seized transmission assembly.
- Motorcycle inactive too long.
- Wet or fouled spark plug.
- Flooded engine.
- Incorrect air/fuel mixture.
- Exhaust valve stuck open
- Go to a specialized workshop.
- Go to a specialized workshop.
- Go to a specialized workshop.
- Drain old fuel out of the tank. With the fuel tank
fi
lled with new fuel, the
engine will start immediately.
- Clean and dry or replace the spark plug.
- In order to “relieve the engine”, accelerate to max. speed, press the start-
er pedal 5 or 10 times. Then, start the engine as described above. If the
engine fails to start, remove the spark plug and dry it.
- Clean the fuel tank air vent. Adjust the air cleaner duct.
- Verify the exhaust valve and repair as necessary.
2
Engine cranks but then
stops
- Incorrect air supply.
- No fuel.
- Close the starter. Clean fuel tank air vent. Adjust the air cleaner duct.
- Fill up the fuel tank.
3
Engine overheating
- Insu
ffi
cient cooling liquid in the circuit.
- Radiator is dirty or partially restricted.
- Fill up cooling liquid, verify the refrigeration system watertightness.
- Clean radiator
fi
ns or replace it.
4
The engine operates ir-
regularly
- Spark plug dirty, or misadjusted.
- Poor contact with the spark plug cap or cable
loose in cap.
- Ignition rotor damaged.
- Water in fuel
- Verify the spark plug condition and clean it accordingly, tighten or replace it.
- Verify the spark plug cap condition. Replace if deteriorated.
- Replace the rotor.
- Drain the fuel tank and
fi
ll up with new fuel.
5
Engine lacks power or
poor acceleration
- Fuel supply defective.
- Dirty air cleaner.
- Leaking or deteriorated exhaust system.
- Dirty carburetor jets.
- Worn or damaged crankshaft bearings.
- Clutch slips.
- Clean the fuel system and verify its operation.
- Clean or replace the air cleaner. Verify its operation.
- Verify if the exhaust system is damaged. Replace the mu
ffl
er
fi
berglass
packing, if necessary.
- Disassembly the carburetor and clean all jets.
- Replace the crankshaft bearings.
- Verify the clutch operation. Go to a specialized workshop.
Содержание TZ 125 2011
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Страница 64: ...64 WIRING DIAGRAM 125cc...
Страница 65: ...65 WIRING DIAGRAM 200cc 250cc 300cc electric starter...
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Страница 72: ...CODE CATALOGUE 02645005...