1981 Honda XL500 Specifications and Specs

Specifications and workshop reference information for the 1981 Honda XL500, 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.

1981 Honda XL500

General Specifications

Engine TypeAir-cooled, 4-stroke, single-cylinder, OHC, 4-valve
Displacement497 cc
Bore × Stroke89.0 × 80.0 mm
Compression Ratio8.5:1
Maximum PowerApprox. 32 hp
Maximum Torque
CarburetorKeihin | Replacement Options
LubricationDry sump
Fuel Mix Ratio
IgnitionCDI
Spark PlugNGK DPR8Z
Spark Plug Gap0.6–0.7 mm
Valve Clearance (Intake)0.05 mm
Valve Clearance (Exhaust)0.10 mm

Transmission

Transmission Type5-speed manual
ClutchWet multi-plate
Final ReductionChain drive

Dimensions

Overall Length2,200 mm
Overall Width900 mm
Overall Height1,220 mm
Wheelbase1,450 mm
Ground Clearance300 mm
Fuel Tank Capacity9.5 L
Bearing Sizes Bearing Finder

Chassis

Frame TypeSteel single cradle
Front SuspensionTelescopic forks | Fork Oil Levels
Rear SuspensionDual shock swingarm
Front Suspension Travel
Rear Suspension Travel

Brakes & Wheels

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

500cc Other Specs

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