Stihl MS 171 User Guide - Page 6

Specifications, 3.1 Engine, 3.2 Fuel System, 3.3 Ignition System, 3.4 Chain Lubrication

Get Stihl MS 171 PDF manuals and user guides View all Stihl MS 171 manuals
Add to My Manuals
Save this manual to your list of manuals

Page 6 highlights

3. Specifications 3.1 Engine Displacement: Bore: Stroke: Engine power to ISO 7293: Max. permissible engine speed with bar and chain: Idle speed: Clutch: Clutch engages at: Crankcase leakage test at gauge pressure: under vacuum: 3.2 Fuel System 3.3 Ignition System 3.4 Chain Lubrication MS 171 MS 181, MS 181 C MS 211, MS 211 C 30.1 cm3 37 mm 28 mm 1.3 kW (1.8 PS) at 9,500 rpm 31.8 cm3 38 mm 28 mm 1.5 kW (2.0 PS) at 9,500 rpm 35.2 cm3 40 mm 28 mm 1.7 kW (2.3 PS) at 9,500 rpm 13,500 rpm 13,500 rpm 2,800 rpm 2,800 rpm Centrifugal clutch without linings 5,100 rpm 5,100 rpm 13,500 rpm 2,800 rpm 5,100 rpm 0.5 bar 0.5 bar Carburetor leakage test at gauge pressure: 0.8 bar Operation of tank vent at gauge pressure: 0.5 bar Fuel: as specified in instruction manual Air gap between ignition module and fanwheel: Spark plug (suppressed): Electrode gap: 0.15...0.35 mm NGK CMR 6H 0.5 mm Fully automatic, speed-controlled oil pump with reciprocating piston Oil delivery rate: 7.0 cm³/min at 10,000 rpm MS 171, MS 181, MS 211 5

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
  • 73
  • 74
  • 75
  • 76
  • 77
  • 78
  • 79
  • 80
  • 81
  • 82
  • 83
  • 84
  • 85
  • 86
  • 87
  • 88
  • 89
  • 90
  • 91
  • 92
  • 93
  • 94
  • 95
  • 96
  • 97
  • 98
  • 99
  • 100
  • 101
  • 102
5
MS 171, MS 181, MS 211
3.
Specifications
3.1
Engine
MS 171
MS 181, MS 181 C
MS 211, MS 211 C
Displacement:
30.1 cm
3
31.8 cm
3
35.2 cm
3
Bore:
37 mm
38 mm
40 mm
Stroke:
28 mm
28 mm
28 mm
Engine power to ISO 7293:
1.3 kW (1.8 PS)
at 9,500 rpm
1.5 kW (2.0 PS)
at 9,500 rpm
1.7 kW (2.3 PS)
at 9,500 rpm
Max. permissible engine speed
with bar and chain:
13,500 rpm
13,500 rpm
13,500 rpm
Idle speed:
2,800 rpm
2,800 rpm
2,800 rpm
Clutch:
Centrifugal clutch without linings
Clutch engages at:
5,100 rpm
5,100 rpm
5,100 rpm
Crankcase leakage test
at gauge pressure:
0.5 bar
under vacuum:
0.5 bar
3.2
Fuel System
Carburetor leakage test
at gauge pressure:
0.8 bar
Operation of tank vent at gauge pressure:
0.5 bar
Fuel:
as specified in instruction manual
3.3
Ignition System
Air gap between ignition module and
fanwheel:
0.15...0.35 mm
Spark plug (suppressed):
NGK CMR 6H
Electrode gap:
0.5 mm
3.4
Chain Lubrication
Fully automatic, speed-controlled oil pump with reciprocating
piston
Oil delivery rate:
7.0 cm³/min at
10,000 rpm