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1982 Kawasaki KX250 Specifications and Specs

Specifications and workshop reference information for the 1982 Kawasaki KX250, 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.

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1982 Kawasaki KX250 Specifications and Specs

General Specifications

Engine TypeSingle-cylinder, liquid-cooled, reed valve, 2-stroke
Displacement246 cc
Bore × Stroke70.0 mm × 64.0 mm
Compression Ratio7.0:1
Maximum Power42 hp @ 7,500 rpm
Maximum Torque38 Nm @ 6,500 rpm
CarburetorMikuni VM38SS
LubricationPremix
Fuel Mix Ratio20:1
IgnitionCDI Magneto
Spark PlugNGK B8ES
Spark Plug Gap0.6 - 0.7 mm

Transmission

Transmission Type5-speed constant mesh
ClutchWet multi-plate
Primary Reduction2.952 (62/21)
Final Reduction3.923 (51/13)
Overall Reduction10.63:1

Dimensions

Overall Length2220 mm
Overall Width890 mm
Overall Height1220 mm
Wheelbase1500 mm
Ground Clearance310 mm
Fuel Tank Capacity11.0 L

Chassis

Frame TypeSingle backbone steel frame
Caster Angle28.5°
Trail118 mm
Front SuspensionKayaba telescopic forks
Rear SuspensionUni-Trak monoshock
Front Suspension Travel290 mm
Rear Suspension Travel310 mm

Brakes & Wheels

Front Tire3.00-21
Rear Tire4.50-18
Front BrakeSingle leading shoe drum
Rear BrakeSingle leading shoe drum

250cc Other Specs

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