Stihl 044 Instruction Manual - Page 50

Specifications Engine STIHL single cylinder two-stroke engine Displacement: 70.7 cm3 (4.31 cu.in) Bore: 50 mm (1.97 in) Stroke: 36 mm (1.42 in) Idle speed: 2,500 r.p.m. Maximum engine speed (cut-off speed): 13,500 rpm Ignition System Type: Electronic magneto ignition (breakerless) Spark plug (suppressed): Bosch WSR 6 F or NGK BPMR 7 A Heat range 200 Electrode gap 0.5 mm (0.02 in) Spark plug thread: M 14x1.25; 9.5 mm (0.37 in) long Fuel/Oil System Carburetor: All position diaphragm carburetor with integral fuel pump Air filter: Prefilter and bisectional boxfilter Special accessory: Heavy-duty (HD)-airfilter Fuel mix: See chapter "Fuel" Fuel tank capacity: 0.8 l (1.69 US pt) Oil tank capacity: 0.33 l (0.7 US pt) Weight without bar and chain 044: 044/W with electrically heated handles: 5.9 kg (13 lb) 6.1 kg (13.4 lb) 48 Cutting Attachment Recommended cutting attachments for compliance with § 5.12 of ANSI Standard B 175.1-1991 (see page 15 of this Manual): STIHL reduced kickback bar (with green label) for 3/8" pitch: Rollomatic with sprocket nose 40, 45 or 50 cm (16, 18 or 20 in) STIHL low kickback chain* (with green label) for 3/8" pitch: 9.32 mm (3/8") Rapid-Micro 2 (33 RM 2, 36 RM 2) Chain sprocket: 7-tooth for 3/8" pitch spur sprocket In order to comply with the kickback performance requirements of § 5.12 of ANSI Standard B 175.1-1991, do not use replacement saw chain unless it has been designated as meeting the ANSI § 5.12 requirements on this specific powerhead, or has been designated as "low kickback" saw chain* in accordance with the ANSI B 175.11991 standard. *See definition of "low kickback chain" on page 15 of this Manual. Since new bar/chain combinations may be developed after publication of this Manual, ask your STIHL dealer for the latest STIHL recommendations. Other bars and chains available for this powerhead are: STIHL yellow-labeled bars: for 3/8" pitch: Rollomatic "S" with sprocket nose 40, 45, 50, 63, 70, 75, 80 or 90 cm (16, 18, 20, 24, 28, 30, 32 or 36 in) Duromatic with stellite tipped nose 40, 45, 50 or 63 cm (16, 18, 20 or 24 in) STIHL yellow-labeled chains: for 3/8" pitch: Topic-Micro (36 TM), Topic-Super (33 TS, 36 TS), Rapid-Micro (33 RM, 36 RM, 33 RMF), Rapid-Super (33 RS, 33 RS 1, 36 RS, 36 RS 1, 33 RSL, 36 RSL, 33 RSF, 33 RSLF, 36 RSLF, 36 RSLH). Chain sprocket: 8-tooth 3/8" rim sprocket *See definition of "low kickback chain" on page 15. 044