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

CARB:

The Emission Compliance Period used on the CARB-Air Index Label indicates the terms:

Extended = 300 hours, Intermediate = 125 hours, Moderate = 50 hours

Engine

STIHL single cylinder two-stroke engine

Displacement

3.3 cu in

 

(54,7 cm3)

Bore

1.81 in

 

(46,0 mm)

Stroke

1.30 in

 

(32,9 mm)

Idle speed

2,800 rpm

Weight without

 

bar and chain

12.1 lb

 

(5,5 kg)

Ignition System,

Electronic magneto ignition

Spark plug (suppressed),

NGK BPMR 7 A, Bosch WSR 6 F

Electrode gap

0.02in (0,5 mm)

Fuel/Oil System

Diaphragm carburetor

All position diaphragm carburetor with integral fuel pump

Fuel tank capacity

1.1 US pt (0,520 l)

Fuel mixture

See "Fuel"

Chain lubrication

Fully automatic, speed-controlled reciprocating oil pump. Additional manual oil flow control

Oil tank capacity

0.6 US pt (0,280 l)

English / USA

Cutting Attachment

Recommended cutting attachments for compliance with § 5.11 of ANSI standard B 175.1-2000

(see page 16 of this manual):

STIHL reduced kickback bar (with green label) for .325" pitch: Rollomatic with sprocket nose 40, 45 or 50 cm (16, 18 or 20")

STIHL low kickback chain1) (with green label) for .325" pitch: Rapid-Micro 2 (23 RM2, 26 RM2) Rapid-Micro C3 (23 RMC3, 26 RMC3) spur sprocket :

7-tooth for 0.325" pitch

1) See definition of "low kickback chain" on page 19 of this manual

MS 280 C

63