1982 Honda XR500
Specifications and workshop reference information for the 1982 Honda XR500, 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.
General Specifications
| Engine Type | Air-cooled, 4-stroke, single-cylinder, OHC, 4-valve |
| Displacement | 497 cc |
| Bore × Stroke | 89.0 × 79.0 mm |
| Compression Ratio | 8.6:1 |
| Maximum Power | 35 hp @ 6500 rpm |
| Maximum Torque | 40 Nm @ 5500 rpm |
| Carburetor | Keihin PD 36 mm |
| Lubrication | Dry sump |
| Fuel Mix Ratio | N/A |
| Ignition | CDI |
| Spark Plug | NGK DPR8Z |
| Spark Plug Gap | 0.6–0.7 mm |
| Valve Clearance (Intake) | 0.05 mm (0.002 in) |
| Valve Clearance (Exhaust) | 0.10 mm (0.004 in) |
Transmission
| Transmission Type | 5-speed manual |
| Clutch | Wet multi-plate |
| Primary Reduction | 2.869 (63/22) |
| Final Reduction | 3.000 (45/15) |
| Overall Reduction | 8.61 |
500cc Other Specs
| 1968 Husqvarna 500CR |
| 1973 Yamaha SC500 |
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