Direct MX BMT 750 Traduction De La Notice Originale page 35

Malfunction
Engine slows down.
The device can be started
but the engine has only
little power.
The device cannot be
started, or it can be started
but does not run.
The engine does not run
evenly.
Excessive smoke
Possible cause
Incorrect carburettor setting.
Incorrect setting of the choke
lever.
Air filter contaminated.
Incorrect carburettor setting
Incorrect starting procedure.
Incorrect carburettor setting.
Sooted spark plug.
Clogged petrol filter.
Incorrect gap of the
electrodes in the spark plug.
Burnt down spark plug.
Incorrect carburettor setting.
Incorrect fuel mixture.
Troubleshooting
Have a specialist adjust the
carburettor setting.
Set choke lever to
Remove cellular plastic filter, clean it
with soap water and re-insert it after
drying.
Have a specialist adjust the
carburettor setting.
Follow the instructions as given in
"Starting the cold engine" 1-8.
Have a specialist adjust the
carburettor setting.
Clean the spark plug, correct the
electrode gap, or replace the spark
plug.
Replace the petrol filter.
Clean the spark plug, correct
the electrode gap (ideal gap:
0.25"/0.63mm), or replace the spark
plug.
Have a specialist adjust the
carburettor setting.
Empty the tank and fill in the correct
mixture: 40:1 2-stroke mixture.
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