The Engine Does Not Start; Troubleshooting - Husqvarna 128LX Operator's Manual

c) make sure that the air filter is clean.
2. Clean the spark plug if it is dirty.
3. Make sure that the electrode gap is correct. Refer to,
Technical data on page 24 .
The engine starts but stops again
Product part to examine
Fuel tank
Carburetor
Air filter
Fuel filter

The engine does not start

Check
Stop switch.
Starter pawls.
Fuel tank.
Spark plug.
1570 - 001 - 14.10.2020

Troubleshooting

Possible cause
Incorrect fuel type.
The idle speed is not correct.
Clogged air filter.
Clogged fuel filter.
Possible cause
The stop switch is in the stop position.
The starter pawls cannot move freely.
Incorrect fuel type.
The spark plug is dirty or wet.
The spark plug electrode gap is incorrect.
The spark plug is loose.
4. Replace the spark plug monthly or more frequently if
necessary.
Action
Drain the fuel tank and fill with cor-
rect fuel.
Speak to your servicing dealer.
Clean or replace the air filter.
Replace the fuel filter.
Procedure
Set the stop switch to the start position.
Remove the starter cover and clean around
the starter pawls.
Let an approved service agent help you.
Drain the fuel tank and fill with correct fuel.
Make sure that the spark plug is dry and
clean.
Clean the spark plug. Make sure that the
electrode gap is correct. Make sure that the
spark plug has a supressor.
Refer to technical data for correct electrode
gap.
Tighten the spark plug.
23