To do a check of the air filter
1. Remove the knob (A) and the air filter cover (B).
C
B
A
Troubleshooting schedule
Problem
The engine stops when it has too
much load.
The engine misfires.
The engine stops suddenly.
Engine knocking occurs.
1420 - 003 - 09.07.2020
2. Remove the air filter (C).
3. Clean the air filter and the air filter cover with soap
4. Let the air filter and the air filter cover become dry.
5. Install the air filter, the air filter cover and the knob.
Troubleshooting
Cause
The air filter is not clean.
The engine is not warm.
The spark plug is loose.
Incorrect electrode gap.
The spark plug cap is damaged.
Expired or low quality gasoline.
Incorrect compression.
The engine oil level is low.
The fuel tank is empty or has low
quality gasoline.
Defective fuel tank cap.
Defective magnet.
The spark plug cap is not correctly in-
stalled.
Expired or low quality gasoline.
Overload in the engine.
Mechanical problem.
water.
Solution
Clean or replace the air filter.
Let the engine become warm before
operation.
Do a check of the wire connections.
Replace the spark plug cap.
Replace the spark plug cap.
Fill fuel.
Adjust the compression.
Fill engine oil.
Fill fuel.
Replace the fuel tank cap.
Speak to an approved servicing deal-
er.
Install the spark plug cap.
Fill fuel.
To prevent overload in the
Refer to
product on page 10 .
Speak to an approved servicing deal-
er.
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