Engine Management; M-Tronic - Stihl MS 261 C-M Instruction Manual

from the inside outwards under a jet
of water – do not use a pressure
washer.
Dry the filter components – do not
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expose to high temperatures.
Do not impregnate the filter with oil.
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Reinstall the air filter.
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Installing the air filter
1.
2.
Place the air filter in position.
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Push the air filter in the direction of
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the filter housing and turn it
clockwise at the same time until it
engages – the "STIHL" name must
be horizontal.
Install the shroud – see "Shroud".
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MS 261 C-M

Engine Management

Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.

M-Tronic

Basic information
M-Tronic regulates the fuel quantity and
ignition timing for all operating states
electronically.
M-Tronic stands for easy, fast starting,
constant optimum engine performance,
outstanding acceleration and automatic
adaptation to changes in operating
conditions.
Manual carburetor adjustments are no
longer required – the carburetor does
not have any adjusting screws.
Automatic adjustment
Under extremely changed operating
conditions, attainment of the optimal
setting can be accelerated as follows:
Carry out five uniform cuts to length
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under full load
English
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