Instruction Manual

MS 170, MS 170 C, MS 180, MS 180 C
English
44
Engine
STIHL single cylinder two-stroke engine
MS 170, MS 170 C
MS 170 2-MIX
MS 180 2-MIX
MS 180, MS 180 C
Ignition system
Electronic magneto ignition
Fuel system
All position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Weight
Bar and chain MS 170, MS 170 C
The actual cutting length can be less
than the specified cutting length.
Rollomatic guide bars
Saw chain 3/8" Picco
Chain sprockets
Specifications
Displacement: 30.1 cm
3
Cylinder bore: 37 mm
Piston stroke: 28 mm
Engine power
according to
ISO 7293:
1.3 kW (1.8 HP)
at 8500 rpm
Idle speed:
1)
2800 rpm
Displacement: 30.1 cm
3
Cylinder bore: 37 mm
Piston stroke: 28 mm
Engine power
according to
ISO 7293:
1.2 kW (1.6 HP)
at 10000 rpm
Idle speed:
1)
2800 rpm
Displacement: 31.8 cm
3
Cylinder bore: 38 mm
Piston stroke: 28 mm
Engine power
according to
ISO 7293:
1.4 kW (1.9 HP)
at 10000 rpm
Idle speed:
1)
2800 rpm
Displacement: 31.8 cm
3
Cylinder bore: 38 mm
Piston stroke: 28 mm
Engine power
according to
ISO 7293:
1.5 kW (2.0 HP)
at 9000 rpm
Idle speed:
1)
1)
to ISO 11681 +/- 50 rpm
2800 rpm
Spark plug
(suppressed):
MS 170, MS 180: Bosch WSR 6 F,
NGK BPMR 7 A
MS 170 2-MIX,
MS 180 2-MIX: NGK CMR6H
Electrode gap: 0.5 mm
Fuel tank capacity: 250 cm
3
(0.25 l)
Oil tank capacity: 145 cm
3
(0.145 l)
Dry, without cutting attachment
MS 170: 4.0 kg
MS 170 C with ErgoStart: 4.2 kg
MS 170 2-MIX: 4.1 kg
MS 180: 4.1 kg
MS 180 C with quick tensioner
and ErgoStart: 4.2 kg
MS 180 2-MIX: 4.1 kg
Cutting length (3/8"
pitch): 30, 35, 40 cm
Groove width: 1.1 mm
Picco Micro Mini 3 (61 PMM3)
Type 3610
Pitch: 3/8"P (9.32 mm)
Drive link gauge: 1.1 mm
6-tooth for 3/8" P
MS 170, MS 170 C:
Max. chain speed to
ISO 11681: 21.1 m/s
Chain speed at maximum
power output: 18.6 m/s
: