Stihl FS 90 R Parts List Manual

Stihl FS 90 R Parts List Diagrams Manual

Stihl FS 90 R Parts List for the Stihl trimmer. Find Stihl FS90 R parts and part numbers with this PDF manual, suitable for the 4180 engine. The parts list (IPL) manual has diagrams in exploded view and accurate information in a parts breakdown schematic for the FS 90 R trimmer. View free page images or download a full PDF that you can print or view on all suitable devices.

Stihl FS 90 R Parts List diagrams and schematics help with finding spare parts.

Stihl models covered FS 90 R and FS 90 R-Z using the 4180 engine.

Stihl FS 90 R Parts List further reading can be found in carburetor Manuals

Stihl FS 90 R Parts List Specifications

FS90 R ENGINE Single cylinder two-stroke engine (4180 bassimotor)

Displacement: 28.4 cc (1.72 cu.in)
Bore: 38 mm (1.50 in)
Stroke: 25 mm (0.98 in)
Engine power to ISO 8893: 0.95 kW (1.3 bhp) at 7,000 rpm
Idle speed: 2,800 rpm
Cut-off speed (rated): 10,200 rpm
Max. output shaft speed (cutting attachment): 7,500 rpm
Valve clearance
Inlet valve: 0.10 mm
(0.004 in)
Exhaust valve: 0.10 mm
(0.004 in)

FS90 R Fuel System

All position diaphragm carburetor with integral fuel pump
Power Source: Gas/Petrol
Fuel tank capacity: 0.53 l (17.9 fl.oz)

FS90 R Ignition System

Electronic magneto ignition
Spark plug (resistor type): Bosch USR 7 AC
Electrode gap: 0.5 mm (0.02 in)

FS90 R Weight

Dry, without cutting attachment and
deflector: 5.5 kg (12.1 lbs)

FS90 R Overall length

without cutting attachment 1800 mm (71 in)

The term “clearing saw” indicates a high-powered trimmer / brushcutter that is particularly suited for use with a circular saw blade to clear saplings or small trees. FS models with an “R” on the nameplate were originally configured (at the time of distribution) as a trimmer with a loop handle.

Stihl FS90 R Parts List Diagrams