Instruction Manual

MS 170, MS 170 C, MS 180, MS 180 C
English
45
EPA / CEPA
The Emission Compliance Period
referred to on the Emissions
Compliance Label indicates the number
of operating hours for which the engine
has been shown to meet Federal
emission requirements.
Category
Engine
STIHL single cylinder two-stroke engine
MS 170
MS 180, MS 180 C
Ignition System
Electronic magneto ignition
This spark ignition system meets all
requirements of the Canadian
Interference-Causing Equipment
Standard CAN ICES-2/NMB-2.
Fuel System
All position diaphragm carburetor with
integral fuel pump
Chain Lubrication
Fully automatic, speed-controlled oil
pump with rotary piston
Weight
Cutting Attachments for MS 170
Actual cutting length may be less than
the specified length
STIHL cutting attachments complying
with CSA Standard CAN 3-Z62.3:
Rollomatic guide bars
3/8" Picco chain
Chain sprocket
Other cutting attachments
Other cutting attachments complying
with CSA Standard Z 62.3 are available:
see section CSA Standard Z 62.3, the
chain leaflet inside the chain box or
contact your local STIHL dealer.
Please ask your STIHL dealer to
properly match your powerhead with the
appropriate bar/chain combinations to
reduce the risk of kickback injury.
MS 180, MS 180 C
Actual cutting length may be less than
the specified length
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 30.1 cm
3
Bore: 37 mm
Stroke: 28 mm
Engine power to
ISO 7293:
1.3 kW (1.8 bhp)
at 8,500 rpm
Idle speed: 2,800 rpm
Displacement: 31.8 cc
Bore: 38 mm
Stroke: 28 mm
Engine power to
ISO 7293:
1.5 kW (2.0 bhp)
at 9,000 rpm
Idle speed: 2,800 rpm
Spark plug (resistor
type):
Bosch WSR 6 F,
NGK BPMR 7 A
Electrode gap: 0.5 mm
Fuel tank capacity: 250 cc (0.25 l)
Oil tank capacity: 145 cc (0.145 l)
dry, without bar and chain
MS 170: 3.9 kg
MS 180: 3.9 kg
MS 180 C with quick chain
adjuster: 4.0 kg
MS 180 C with quick chain
adjuster and
Easy2Start: 4.2 kg
Cutting lengths:
1)
30, 35, 40 cm
Pitch: 3/8" P (9.32 mm)
Groove width: 1.1 mm
1)
Actual cutting length may be less
than the specified length
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 (spur sprocket)