Instruction Manual

0458-573-8621-D
63
English 24 Specifications
► Open the shroud locks (1) by turning them 1/4 turn
counter-clockwise with the combination wrench.
► Remove the shroud (2).
► Remove the spark plug boot (3) by pulling the tab (4).
► Unscrew the spark plug and dry it.
► Move the Master Control Lever to position 0.
► Pull the starter grip and guide it back several times.
The combustion chamber will be cleared.
► Re-insert the spark plug and tighten it down firmly.
► Connect the spark plug boot (3) and press it down firmly.
► Place the shroud in position.
► Tighten the shroud locks until you hear an audible click.
24.1 EPA
The Emission Compliance Period referenced on the
Emissions Compliance Label indicates the number of
operating hours for which the engine has been shown to
meet federal emission requirements.
Category:
A = 300 hours
B = 125 hours
C = 50 hours
24.2 STIHL MS 261
– Displacement: 3.06 cu. in. (50.2 cm³)
– Engine power according to ISO 7293: 4.0 bhp (3.0 kW)
– Idle speed according to ISO 11681: 2,800 ± 50 rpm
– Maximum engine speed: 14,000 rpm
– Recommended spark plugs: Bosch WSR 6 F by STIHL,
NGK BPMR 7 A by STIHL
– Spark plug electrode gap: 0.02 in. (0.5 mm)
– Weight without fuel, oil, guide bar or saw chain:
10.8 lbs. (4.9 kg)
– Maximum fuel tank volume: 16.9 oz. (0.5 l)
– Maximum oil tank volume: 9.1 oz. (0.27 l)
Do not use BIA or TCW rated (2-cycle water cooled) mix oils
or other mix oils that state they are for use in both water
cooled and air cooled engines (e.g., outboard motors,
snowmobiles, chain saws, mopeds, etc.).
24.3 Chain Sprockets
The following chain sprockets are available for this model
chain saw:
– 7-tooth for .325" pitch
1
4
1
1
2
3
0000-GXX-4955-A0
3
0000-GXX-3810-A1
24 Specifications