Instruction manual
FS 55, FS 55 C, FS 55 R, FS 55 RC
English
41
Definitions
1 Mowing Head
The cutting attachment, i. e. 
mowing head, for different 
purposes.
2 Deflector for Mowing Heads
The deflector is designed to reduce 
the risk of injury from foreign objects 
flung backwards toward the 
operator by the cutting attachment 
and from contact with the cutting 
attachment.
3 Line Limiting blade
Metal blade at the deflector in order 
to keep the line of the mowing head 
at the proper length.
4 Deflector with Skirt for all Mowing 
Attachments
The deflector is designed to reduce 
the risk of injury from foreign objects 
flung backwards toward the 
operator by the cutting attachment 
and from contact with the cutting 
attachment. Is not designed to 
contain fragmented metal blades.
5Skirt
The skirt at the bottom of the 
deflector must be utilized as 
described in the chapter "Mounting 
the Deflector".
6 Metal Mowing Tool
The cutting attachment, i. e. blade, 
made from metal for different 
purposes.
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
CARB
The Emission Compliance Period used 
on the CARB-Air Index Label indicates 
the terms:
Engine
Single cylinder two-stroke engine
Ignition System
Electronic magneto ignition
Fuel System
All position diaphragm carburetor with 
integral fuel pump
Specifications
A = 300 hours
B = 125 hours
C = 50 hours
Extended = 300 hours
Intermediate = 125 hours
Moderate = 50 hours
Displacement: 1.66 cu. in. 
(27.2 cm
3
)
Bore: 1.34 in (34 mm)
Stroke: 1.18 in (30 mm)
Engine power to 
ISO 8893: 1 hp (0.75 kW)
Idle speed: 2,800 rpm
Max. engine speed 
(rated): 9,500 rpm
Max. output shaft 
speed (cutting 
attachment): 7,700 rpm
Spark plug (resistor 
type):
Bosch WSR 6 F, 
NGK BPMR 7 A
Electrode gap: 0.02 in (0.5 mm)
Fuel tank capacity: 11.2 fl.oz (0.33 L)










