VMX Owners Australia

1981 Fantic 240 Trial Specifications and Specs

Specifications and workshop reference information for the 1981 Fantic 240-Trial, 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 Fantic 240-Trial

General Specifications

Engine TypeSingle-cylinder, two-stroke
Displacement239 cc
Bore × Stroke70 × 60 mm
Compression RatioApprox. 10.0:1
Maximum Power~20 hp
Maximum Torque
CarburetorDell'Orto 26 mm | Replacement Options
LubricationPremix
Fuel Mix Ratio40:1 | Premix Calculator
IgnitionMotoplat
Spark PlugNGK equivalent
Spark Plug Gap0.5 – 0.6 mm

Transmission

Transmission Type6-speed constant mesh
ClutchWet multi-plate

Dimensions

Wheelbase1320 mm
Fuel Tank Capacity6 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeSteel, twin shock
Front SuspensionTelescopic forks | Fork Oil Levels
Rear SuspensionTwin shock
Front Suspension Travel170 mm
Rear Suspension Travel150 mm

Brakes & Wheels

Front Tire2.75 – 21 | Tyre Size Guide
Rear Tire4.00 – 18 | Tyre Size Guide
Front BrakeDrum
Rear BrakeDrum

Community

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