1975 Bultaco 370Pursang Specifications and Specs

Specifications and workshop reference information for the 1975 Bultaco 370Pursang, 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.

1975 Bultaco 370Pursang

General Specifications

Engine TypeSingle-cylinder, two-stroke
Displacement362 cc
Bore × Stroke85 × 64 mm
Compression RatioApprox. 11.5:1
Maximum Power~38 hp
Maximum Torque
CarburetorAmal 38 mm | Replacement Options
LubricationPremix
Fuel Mix Ratio25:1 | Premix Calculator
IgnitionMotoplat
Spark PlugNGK equivalent
Spark Plug Gap0.5 – 0.6 mm

Transmission

Transmission Type5-speed constant mesh
ClutchWet multi-plate

Dimensions

Wheelbase1430 mm
Fuel Tank Capacity9 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeSteel, twin shock
Front SuspensionTelescopic forks | Fork Oil Levels
Rear SuspensionTwin shock
Front Suspension Travel220 mm
Rear Suspension Travel200 mm

Brakes & Wheels

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

370cc Other Specs

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