Specifications - Stihl MS 650 Instruction Manual

Specifications

Engine
STIHL single cylinder two-stroke engine
MS 650
Displacement: 84.9 cc
Bore: 52 mm
Stroke: 40.0 mm
Engine power to ISO 7293:
MS 650: 4.8 kW (6.5 bhp)
at 9,500 rpm
MS 650 Magnum: 4.9 kW (6.7 bhp)
at 9,500 rpm
1)
Idle speed: 2,500 rpm
MS 660
Displacement: 91.6 cc
Bore: 54 mm
Stroke: 40.0 mm
Engine power to ISO 7293:
MS 660: 5.2 kW (7.1 bhp)
at 9,500 rpm
MS 660 Magnum: 5.6 kW (7.6 bhp)
at 9,500 rpm
1)
Idle speed: 2,500 rpm
1)
to ISO 11681 +/- 50 rpm
Ignition System
Electronic magneto ignition
Spark plug (resistor NGK BPMR 7 A,
type): Bosch WSR 6 F
Electrode gap: 0.5 mm
MS 650, MS 660
Fuel System
All position diaphragm carburetor with
integral fuel pump
Fuel tank capacity: 825 cc (0.825 l)
Chain Lubrication
Fully automatic, speed-controlled oil
pump with rotary piston. Additional
manual oil flow control
Oil tank capacity: 360 cc (0.36 l)
Weight
dry, without bar and chain
MS 650:
MS 650 Magnum:
MS 660:
MS 660 Magnum:
MS 660 with handle heating:
Cutting Attachment
Actual cutting length may be less than
the specified length
Rollomatic E 3/8" guide bars
Cutting lengths: 40, 45, 50, 63, 75,
80, 90 cm
Pitch: 3/8"
Groove width: 1.6 mm
Nose sprocket: 11-tooth
Rollomatic E .404" guide bars
Cutting lengths:
Pitch:
Groove width:
Nose sprocket:
3/8" chains
Rapid Micro (36 RM) Type 3652
Rapid Super (36 RS) Type 3621
Rapid Super 3 (36 RS3) Type 3626
Pitch:
Drive link gauge:
.404" chain
Rapid Micro (46 RM) Type 3668
Rapid Super (46 RS) Type 3946
7.3 kg
Pitch:
7.5 kg
Drive link gauge:
7.3 kg
Chain sprockets
7.5 kg
7.5 kg 7-tooth for 3/8" (rim sprocket)
Max. chain velocity to
ISO 11681:
Chain speed at maximum
power output:
7-tooth for 3/8" P (spur sprocket)
Max. chain velocity to
ISO 11681:
Chain speed at maximum
power output:
7-tooth for 404" (rim sprocket)
Max. chain velocity to
ISO 11681:
Chain speed at maximum
power output:
English
50, 63, 80 cm
404"
1.6 mm
12-tooth
3/8" (9.32 mm)
1.6 mm
.404" (10.26 mm)
1.6 mm
27,5 m/s
21,7 m/s
27,5 m/s
21,7 m/s
30,2 m/s
23,9 m/s
45