Stihl HS 75 - Fuel System; Ignition System

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Carburetor: All-position diaphragm carburetor with integral fuel pump
A
366TI003 KN
B
C
366TI004 KN
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A = Valve nozzle
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B = Fixed idle-speed nozzle, dia. 0.32 mm
C = Valve nozzle with integrated fixed
nozzle, dia. 0.42 mm
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Low-speed adjusting screw
1)
L = Back off 1 turn L = Back off 1 turn
Idle speed 2800 rpm 2800 rpm
High-speed adjusting screw
1)
H = Back off 1 turn None
Fuel tank capacity: 0.37 l (12.5 oz.)
Fuel mixture: Regular brandname gasoline and STIHL two-stroke engine oil
Octane number: At least 89 octane
Mix ratio: 1:50 for STIHL two-stroke engine oil 1:50
*1:25 for all other brandname two-stroke engine oils
Air filter: Foam insert and felt filter
*2QO\ two-stroke engine oils with a mixing ratio of 1:50 may be used in California!
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Air gap: 0.2 ... 0.5 mm (0.008"-0.019")
Ignition timing: 1.55 ... 2.25 mm (0.061"-0.089")before TDC at n = 8000 rpm
Length of ignition lead: 160 mm
Spark plug (suppressed): Bosch WSR 6 F
Heat range: 200
Electrode gap: 0.5 mm (0.20")
Spark plug thread: M 14 x 1.25, length 9.5 mm
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