Stihl 009 - Specifications; Engine Specifications; Fuel System Specifications; Ignition System Specifications

STIHL 009, 010, 011
4
1. SPECIFICATIONS
1.1 Engine Single cylinder two-stroke engine with specially processed cylinder bore
Displacement 009, 010: 37 cm³ (2.26 cu. in)
Bore 009, 010: 36 mm (1.42 in)
Displacement 011: 41 cm³ (2.50 cu. in)
Bore 011: 38 mm (1.50 in)
Stroke: 36 mm (1.42 in)
Compression ratio: 9.8:1
Max. torque: 1.8 Nm (1.3 Ibf. ft)
at 4500 r.p.m.
Rated speed, off load with
bar and chain: 9500 - 9800 r.p.m.
Mean idle speed: 2200 - 2400 r.p.m.
Crankshaft: Drop forged
Crankshaft bearings: 2 needle sleeves
Crankpin: 13 mm (0.51 in) dia.
Big-end bearing: Cylindrical rollers without cage
Piston pin: 9 mm (0.35 in) dia.
Small-end bearing: Needle sleeve
Rewind starter: Pawl engagement with automatic
starter rope rewind mechanism
Starter rope: 3.5 mm (0.14 in) dia.,
960 mm (38 in) long
Clutch: Centrifugal clutch without
linings, 64 mm (2.5 in) dia.
Clutch engages at: 3200 - 3300 r.p.m.
Crankcase leakage test
with overpressure: 0.5 bar (7.1 Ibf/in²)
with vacuum: 0.5 bar (7.1 Ibf/in²)
1.2 Fuel System Carburetor: All-position diaphragm carburetor
with integral fuel pump
Adjustment:
High-speed adjustment screw H: Open 1 turn
Low-speed adjustment screw L: Open 1 turn
(basic setting starting with screws
lightly against their seats)
Carburetor leakage test
with overpressure: 0.4 bar (5.7 Ibf/in²)
Fuel capacity: 0.26 L (0.55 US pt)