Specifications; Special Accessories - Stihl HS 81 Instruction Manual

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Specifications

Engine
Single cylinder two-stroke engine
Displacement: 22.7 cm
Bore: 34 mm
Stroke: 25 mm
Engine power to
ISO 8993: 0.7 kW (1.0 bhp)
Idle speed: 2,800 rpm
Weight
Type Complete unit
HS 81 T/500* 5.0 kg
HS 81 T/600* 5.2 kg
HS 81 T/750* 5.4 kg
HS 81 R/600* 5.5 kg
HS 81 R/750* 5.7 kg
* = Length of cutting blade in mm
28
Ignition System
Typ: Electronic magneto ignition
3
Spark plug
(suppressed):
Electrode gap:
This spark ignition system meets all
requirements of the Canadian
Interference-Causing Equipment
Regulations ICES-002.
Cutting blade sharpening angle
45° to horizontal
Fuel System
Carburetor: All position diaphragm
carburetor with integral fuel pump
Fuel tank capacity:
Fuel mix:

Special Accessories

Tip Guard
Bosch USR 7 AC
0.5 mm
Protects tip of blade when cutting close
to ground.
Adjustable Blade Clearance Kit
3
0.46 l (460 cm )
See "Fuel"
For adjusting blade clearance when
blades wear (only models with trimming
blade).
HS 81 R, HS 81 T