Stihl MS 291 C - Specifications

12 Oilomatic saw chain
13
Adjusting wheel
1)
(quick tensioner)
14
Wings of the wing nut
1)
(quick tensioner)
15 Oil filler cap
16 Muffler
17 Front hand guard
18 Front handle (handlebar)
19 Spark plug boot
20 Starter grip
21 Fuel filler cap
22 Master control lever
23 Throttle trigger
24 Throttle lever lock
25 Rear handle
26 Rear hand guard
# Serial number
32 Specifications
32.1 Engine
STIHL single-cylinder two-stroke engine
32.1.1 MS 271, MS 271 C
Displacement:
50.2cm
3
Cylinder bore: 44.7 mm
Piston stroke: 32 mm
Engine power to ISO 7293: 2.6 kW (3.5 hp) at
9500 1/min
Idle speed:
1)
2800 rpm
32.1.2 MS 291, MS 291 C
Displacement:
55.5cm
3
Cylinder bore: 47.0 mm
Piston stroke: 32 mm
Engine power to ISO 7293: 2.8 kW (3.8 hp) at
9500 1/min
Idle speed:
1)
2800 rpm
32.2 Ignition system
Electronic magneto ignition
Spark plug (suppressed): Bosch WSR 6 F,
NGK BPMR 7 A
Electrode gap: 0.5 mm
32.3 Fuel system
All-position diaphragm carburetor with integral
fuel pump
Fuel tank capacity:
500 cm
3
(0.5 l)
32.4 Chain lubrication
Fully automatic, speed-controlled oil pump with
rotary piston
Oil tank capacity:
240 cm
3
(0.24 l)
32.5 Weight
dry, without cutting attachment
MS 271: 5.6 kg
MS 271 C with ErgoStart and quick
chain tensioner:
6.2 kg
MS 291: 5.6 kg
MS 291 C with ErgoStart and quick
chain tensioner:
6.2 kg
32.6 MS 271, MS 271 C cutting
attachments
The actual cutting length may be less than the
specified cutting length.
32.6.1 Saw chains .325"
Rapid Micro (23 RM) Type 3684
Rapid Micro 3 (23 RM3) Type 3687
Rapid Super (23 RS) Type 3637
Rapid Duro 3 (23 RD3) Type 3665
Rapid Micro Pro (23 RM Pro) 3693
Rapid Micro 3 Pro (23 RM3 Pro) 3695
Rapid Super Pro (23 RS Pro) 3690
Rapid Duro 3 Pro (23 RD3 Pro) 3696
Pitch: .325" (8.25 mm)
Drive link gauge: 1.3 mm
Rapid Micro (26 RM) Type 3686
Rapid Micro 3 (26 RM3) Type 3689
Rapid Super (26 RS) Type 3639
Rapid Duro 3 (26 RD3) Type 3667
Pitch: .325" (8.25 mm)
Drive link gauge: 1.6 mm
32.6.2 Rollomatic Light 04 Guide Bars
Bar lengths (pitch .325"): 35, 40, 45, 50 cm
Groove width: 1.3 mm
Sprocket nose: 10 tooth
32.6.3 Rollomatic Guide Bars
Bar lengths (pitch .325"): 40, 45, 50 cm
Groove width: 1.3 mm
Sprocket nose: 11 tooth
1)
According to version
1)
according to ISO 11681 +/- 50 1/min
32 Specifications English
0458-574-0121-D 41