Husqvarna H130 Mark II Workshop Manual page 45

Low power Tank venting clogged
Blocked fuel filter
Impulse channel leaking
Blocked impulse channel
The cover on the carburettor
pump side is loose
Faulty pump diaphragm
Blocked air filter
Control system sticking
Leaking control system (air or
fuel)
Control system incorrectly as-
sembled
Loose diaphragm
Hole in diaphragm
Leaking diaphragm/cover plate
Will not "four stroke" Tank venting clogged
Blocked fuel filter
Blocked fuel line
Loose or faulty fuel hose
Impulse channel leaking
Blocked impulse channel
The cover on the carburettor
pump side is loose
Faulty pump diaphragm
Leaking inlet hose (rubber)
Loose carburettor mounting
Control system set too low
Leaking control system
(air or fuel)
Control system incorrectly as-
sembled
Loose diaphragm
Hole in diaphragm
Leaking diaphragm/cover plate
Acceleration and retardation
Does not accelerate Blocked air filter
Tank venting clogged
Blocked fuel filter
Blocked fuel line
Loose or faulty fuel hose
Blocked impulse channel
The cover on the carburettor
pump side is loose
Faulty pump diaphragm
Leaking inlet hose (rubber)
Loose carburettor mounting
Control system set too low
Control system incorrectly as-
sembled
Control system sticking
Faulty diffuser jet
Blocked muffler
The engine stops Faulty pump diaphragm
Control system set too high
when releasing the
Control system sticking
throttle
Faulty diffuser jet
Blocked air filter
Faulty pump diaphragm
Faulty diffuser jet
Troubleshooting
English - 45