Stihl MS 650 - Page 45

MS 650, MS 660
English
43
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
Shortblock
STIHL single cylinder two-stroke engine
MS 660
Ignition system
Electronic magneto ignition
(breakerless)
This ignition system fulfills all
requirements of the Canadian
Interference-Causing Equipment
Regulations ICES-002.
Fuel system
All position diaphragm carburetor with
integral fuel pump
Chain lubrication
Fully automatic, speed-controlled oil
pump with reciprocating piston –
additional manual oil flow control
Weight
Cutting attachment
STIHL cutting attachments complying
with CSA Standard Z 62.3:
Rollomatic guide bars
Saw chains 3/8"
Chain sprockets
Additional cutting attachments
Additional cutting attachments
complying with CSA Standard Z 62.3
are available: see section CSA Standard
Z 62.3, "Information Sheet" in saw chain
packaging or ask a STIHL servicing
dealer.
Your STIHL servicing dealer will be
happy to help you properly match your
engine with the appropriate bar/chain
combinations to reduce the risk of
kickback injury.
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Displacement: 91.6 cm
3
Bore: 54 mm
Stroke: 40.0 mm
Engine power to
ISO 7293:
5.2 kW (7.1 HP)
at 9500 rpm
Idle speed: 2500 rpm
Maximum permissi-
ble speed with bar
and chain: 13500 rpm
Spark plug
(suppressed):
NGK BPMR 7 A,
Bosch WSR 6 F
Electrode gap: 0.5 mm
Fuel tank capacity: 0.825 l
Oil tank capacity: 0.36 l
dry, without bar and chain
MS 660: 7.5 kg
MS 660 with wrap around
handlebar: 7.6 kg
MS 660 with wrap around han-
dlebar and handle heating: 7.8 kg
Bar lengths: 40, 50, 63, 75, 90 cm
Pitch: 3/8" (9.32 mm)
Groove width: 1.3 or 1.6 mm
Sprocket nose: 11-tooth
Rapid Super Comfort (33 RSC)
Rapid Super Comfort (36 RSC)
Rapid Super Comfort 3 (33 RSC3)
Rapid Super Comfort 3 (36 RSC3)
Pitch: 3/8" (9.32 mm)
Drive link gauge: 1.3 or 1.6 mm
7-tooth for 3/8" (pitch spur sprocket)