BlueBird BB550A_968999494 - Manual (Page 20)

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20
Symptom Cause Action
Engine will not start
User error fuel valve closed. open the fuel valve.
Choke valve open Close the choke with cold engine.
operator presence switch not held down move to operator position and hold down
fuel system fuel tank empty fill with fuel
machine stored without observing proper
procedure from chapter Storage Clean tank, sludge reservoir and empty
carburetor. fill the tank with fresh fuel.
Contamination, water or ice in fuel
system. Clean tank, sludge reservoir and empty
carburetor. fill the tank with fresh fuel.
Carburetor problems Contact an authorized service workshop
Spark plug Wrong spark plug type replace the spark plug
Build-up on electrodes, short circuit
Check electrode gap and clean or
replace spark plug
Gasoline or oil on the spark plug
Clean the spark plug. Air the engine out.
Start with full throttle.
No spark after checking
spark plug
faulty engine switch, cable or ignition Contact authorized service workshop
low compression
Serious interior engine damage or faulty
valves
Contact authorized service workshop