1987 Honda XR250 Specifications and Specs

Specifications and workshop reference information for the 1987 Honda XR250, 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.

1987 Honda XR250

General Specifications

Engine TypeAir-cooled 4-stroke SOHC RFVC 4-valve single cylinder
Displacement249 cc
Bore × Stroke75.0 × 56.5 mm
Compression Ratio10.2:1
Maximum PowerApprox. 24 hp @ 8,000 rpm
Maximum TorqueApprox. 21 Nm @ 7,000 rpm
CarburetorKeihin 30 mm | Replacement Options
LubricationDry sump
Fuel Mix RatioPetrol only
IgnitionCDI
Spark PlugNGK DPR8Z
Spark Plug Gap0.7 mm
Valve ClearanceIntake: 0.10 mm / Exhaust: 0.12 mm cold

Transmission

Transmission Type6-speed constant mesh
ClutchWet multi-plate
Primary ReductionN/A
Final ReductionChain drive
Overall ReductionN/A

Dimensions

Overall LengthApprox. 2,180 mm
Overall WidthApprox. 865 mm
Overall HeightApprox. 1,180 mm
WheelbaseApprox. 1,400 mm
Ground ClearanceApprox. 280 mm
Fuel Tank Capacity9.5 litres
Bearing Sizes Bearing Finder

Chassis

Frame TypeSteel single cradle
Caster AngleN/A
TrailN/A
Front SuspensionTelescopic forks (improved damping) | Fork Oil Levels
Rear SuspensionPro-Link mono-shock swingarm
Front Suspension TravelApprox. 230 mm
Rear Suspension TravelApprox. 220 mm

Brakes & Wheels

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

250cc Other Specs

Community

VMX Owners Forum

Discuss vintage motocross bikes, restorations, tuning and riding.