9.2 Engine faults
Fault
Possible cause
Remedy
Engine does not
start
Fuel tank empty
Check, fill up if necessary
Fuel valve closed
Open the fuel valve
Fuel system clogged
Clean the fuel screen
Check the fuel screen in the carburettor
Have checked by qualified expert per-
sonnel
Switch the starter switch to position "0"
Turn the starter switch to position "I"
Engine oil level too low
Check the engine oil level, correct if nec-
essary
No ignition spark
Clean the spark plug, replace if neces-
sary
Starter switch defective
Have checked by qualified expert per-
sonnel
No fuel in carburettor
Check the fuel supply
Have checked by qualified expert per-
sonnel
Engine does not
crank when oper-
ating the recoil
starter
Recoil starter defective
Replace the recoil starter
Spring broken
Replace the recoil starter
Starter rope of
recoil starter does
not return to initial
position
Recoil starter dirty
Clean the recoil starter
Pretension of spring too weak
Check the pretension of the spring, adjust
if necessary
Spring broken
Replace the recoil starter
Low engine power
Air filter clogged
Clean the air filter, replace if necessary
Throttle cable defective
Have checked by qualified expert per-
sonnel
Engine defective
Have checked by qualified expert per-
sonnel
Carburettor defective
Have checked by qualified expert per-
sonnel
Engine overheating Lack of cooling air
Clean the air filter, replace if necessary
Clean the cooling fins and the cooling air
intake openings
Engine stops
Fuel system clogged
Clean the fuel screen
Check the fuel screen in the carburettor
Have checked by qualified expert per-
sonnel
Fuel tank empty
Check, fill up if necessary
Trouble shooting – Engine faults
BP 25/50
95
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