1981 SWM 440 RS GS TF1 Specifications and Specs

Specifications and workshop reference information for the 1981 SWM 440-RS-GS-TF1, including engine, chassis, service data and setup details.

Note: Specs are compiled from factory data, manuals and owner feedback. Bikes vary — if yours is different, jump into the forum and share it.

1981 SWM 440-RS-GS-TF1

General Specifications

Engine TypeSingle-cylinder, two-stroke, Rotax case-reed valve
Displacement440 cc class
Bore × Stroke85 mm x 77 mm
Compression Ratio11.0:1
Maximum Power33 kW
Maximum Torque40 to 44 horsepower
CarburetorBing / Dell'Orto type carburetor | Replacement Options
LubricationPremix
Fuel Mix Ratio40:1 | Premix Calculator
IgnitionMotoplat
Spark PlugNGK equivalent
Spark Plug Gap0.5 – 0.6 mm

Transmission

Transmission Type5-speed constant mesh
ClutchWet multi-plate

Dimensions

Overall Length2,200 mm
Overall Width860 mm
Overall Height960 mm
Ground Clearance340 mm to 350 mm
Fuel Tank Capacity9.5 to 10 liters
Bearing Sizes Bearing Finder

Chassis

Frame TypeSteel enduro frame, twin shock
Front SuspensionMarzocchi telescopic forks | Fork Oil Levels
Rear SuspensionCorte Cosso remote reservoir twin shocks
Front Suspension Travel241 mm
Rear Suspension Travel240 mm

Brakes & Wheels

Front Tire3.00 – 21 | Tyre Size Guide
Rear Tire4.50 – 18 | Tyre Size Guide
Front BrakeDrum
Rear BrakeDrum

440cc Other Specs

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