English
Specifications
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
A = 300 hours B = 125 hours C = 50 hours
Engine
STIHL single cylinder
MS 250 |
|
Displacement: | 2.77 cu. in |
| 45.4 cc |
Bore: | 1.7 in (42.5 mm) |
Stroke: | 1.26 in (32 mm) |
Engine power to | 3.0 hp (2.2 kW) at |
ISO 7293: | 10,000 rpm |
Idle speed: | 2,800 rpm |
Max. permissible |
|
speed (with cutting |
|
attachment): | 14,000 rpm |
Ignition System |
|
Electronic magneto ignition
Spark plug (resistor |
|
type): | Bosch WSR 6 F |
Electrode gap: | 0.02 in (0.5 mm) |
Fuel System |
|
All position diaphragm carburetor with integral fuel pump
Fuel tank capacity: 15.9 fl.oz (0.47 l)
Chain Lubrication
Fully automatic,
Oil tank capacity: | 6.8 fl.oz (0.2 l) |
Weight |
|
dry, without bar and chain | |
MS 250: | 10.1 lbs |
| (4.6 kg) |
Cutting Attachment (MS 250)
Recommended cutting attachments complying with Section 5.11 of ANSI B
Observe notes on ANSI B
Rollomatic E .325" guide bars
Reduced kickback STIHL guide bars (with green label)
Cutting lengths: | 16, 18 in |
| (40, 45 cm) |
Pitch: | .325" (8.25 mm) |
Groove width: | 0.063 in (1.6 mm) |
Nose sprocket: |
.325" chain
Low kickback STIHL saw chains (with green label)
Rapid Micro 3 (26 RM3) Type 3634
Pitch: | .325" (8.25 mm) |
Drive link gauge: | 0.063 in (1.6 mm) |
Chain Sprockets
7-tooth for 0.325" (spur sprocket)
To ensure compliance with the kickback properties required in Section 5.11 of ANSI/OPEI B
Please ask your STIHL dealer for the latest recommendations on new bar/chain combinations developed after publication of this instruction manual.
54 | MS 250 |
