Specifications; Engine; Fuel System; Ignition System - Stihl MS 240 Instruction Manual

3.

Specifications

3.1

Engine

Displacement:
Bore:
Stroke:
Engine power to ISO 7293:
Maximum permissible engine speed
(with bar and chain):
Versions with catalytic converter
Maximum 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

6
MS 240
3
41.6 cm
42 mm
30 mm
2.1 kW (2.85 bhp)
at 9500 rpm
13000 rpm
2800 rpm
Centrifugal clutch without
linings
3600 rpm
0.5 bar
0.5 bar
Carburetor leakage test at
gauge pressure:
Operation of tank vent at
gauge pressure:
Fuel:
Air gap between ignition
module and fanwheel:
Spark plug (suppressed):
Electrode gap:
Speed-controlled oil pump with reciprocating piston and
manual flow control
Oil pump without adjustable
delivery rate:
Oil pump with adjustable
delivery rate:
MS 260, MS 260 C
3
50.2 cm
44.7 mm
32 mm
2.6 kW (3.5 bhp)
at 9500 rpm
14000 rpm
13000 rpm
2800 rpm
Centrifugal clutch without
linings
3600 rpm
0.8 bar
0.5 bar
as specified in instruction
manual
0.15...0.30 mm
NGK BPMR 7 A
0.5 mm
3
7.5 (+/- 2.5) cm /min at
10000 rpm
3
4.5...11.5 cm /min at
10000 rpm
MS 240, MS 260, MS 260 C