BR 500, BR 550, BR 600
English
19
1 Setting lever
2 Throttle trigger
The three positions of the setting lever
Engine stop 0 – ignition interrupted, 
engine stops. The setting lever does not 
remain in ths position, it springs back.
Normal run position F – engine runs or is 
ready to start. Throttle trigger can be 
operated normally.
Lock position C – the throttle trigger can 
be locked in three positions: 1/3 throttle, 
2/3 throttle and full throttle. To 
disengage the lock, move the setting 
lever (1) back to the normal run 
position F.
Starting the Engine
N Observe safety precautions.
NOTICE
Start your unit on a clean, dust-free 
surface only to ensure that no dust is 
sucked in.
N The setting lever (1) must be on F
N Press the manual fuel pump bulb at 
least five times – even if the bulb is 
filled with fuel.
Cold engine (cold start)
N Turn the choke knob to l.
Warm engine (warm start)
N Turn the choke knob to n.
Also use this setting if the engine has 
been running but is still cold.
Information Before You Start
Starting / Stopping the 
Engine