Garten Meister GM BFS 2T-52 Mode D'emploi page 60

Maintenance
can lead to starting problems or malfunctions.
Clean the electrodes with a wire brush and reset the gap to approx.
0.65 mm as necessary.
Always use the correct spark plug type. The use of wrong spark plugs
can damage the piston and the cylinder.
Adjusting the Carburettor
The carburettor is factory set. Should a re-adjustment be
necessary due to changed operating conditions, have this
adjustment carried out by a specialist workshop, as an incorrect
setting can lead to defects on the machine.
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