1984 Kawasaki KDX250 Specifications and Specs

Specifications and workshop reference information for the 1984 Kawasaki KDX250, 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.

1984 Kawasaki KDX250 Specifications and Specs

General Specifications

Engine TypeSingle-cylinder, liquid-cooled, 2-stroke reed valve
Displacement249 cc
Bore × Stroke69.0 × 66.0 mm
Compression Ratio7.4:1
Maximum Power24.5 kW (33 hp)
Maximum Torque
CarburetorMikuni VM34SS | Replacement Options
LubricationPremix
Fuel Mix Ratio32:1 | Premix Calculator
IgnitionCDI
Spark PlugNGK BR8ES
Spark Plug Gap0.6–0.7 mm

Transmission

Transmission Type6-speed constant mesh
ClutchWet multi-plate
Primary Reduction3.000
Final Reduction3.692 (48/13)

Dimensions

Overall Length2185 mm
Overall Width895 mm
Overall Height1260 mm
Wheelbase1480 mm
Ground Clearance340 mm
Fuel Tank Capacity12.5 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeSingle cradle steel
Caster Angle28°
Trail120 mm
Front SuspensionKayaba telescopic forks | Fork Oil Levels
Rear SuspensionUni-Trak monoshock
Front Suspension Travel280 mm
Rear Suspension Travel300 mm

Brakes & Wheels

Front Tire3.00-21 | Tyre Size Guide
Rear Tire4.60-18 | Tyre Size Guide
Front BrakeSingle hydraulic disc
Rear BrakeDrum

250cc Other Specs

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