1975 Suzuki TM250 Specifications and Specs

Specifications, manuals and workshop reference information.

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 Suzuki TM250

General Specifications

Engine TypeTwo-stroke cycle, air-cooled gasoline engine
Displacement246 cc
Bore × Stroke70 × 64 mm
Compression Ratio7.1 : 1
Maximum Power36 HP @ 8,000 rpm
Maximum Torque25.2 ft-lb @ 6,500 rpm
CarburetorMikuni VM36SS | Replacement Options
LubricationFuel premix
Fuel Mix Ratio20 : 1 | Premix Calculator
IgnitionSuzuki PEI (Pointless Electronic Ignition)
Spark PlugNGK B9EV
Spark Plug Gap0.5 – 0.6 mm

Transmission

Transmission Type5-speed constant mesh
ClutchWet multi-plate
Primary Reduction2.727 (60 / 22)
Final Reduction3.846 (50 / 13)
Overall ReductionNot specified

Dimensions

Overall Length2140 mm
Overall Width935 mm
Overall Height1200 mm
Wheelbase1440 mm
Ground Clearance265 mm
Fuel Tank Capacity8 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeSingle cradle steel frame
Caster Angle60°
Trail126 mm
Front SuspensionTelescopic fork with hydraulic damper | Fork Oil Levels
Rear SuspensionSwinging arm with hydraulic damper, 3-way adjustable
Front Suspension TravelNot specified
Rear Suspension TravelNot specified

Brakes & Wheels

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

250cc Other Specs

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