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1983 Yamaha XJ 650 (reduced effect) specifications

Available technical data for this model and year. Specifications can vary by market and version.

Technical specifications

Displacement653.0 ccm (39.85 cubic inches)
Engine typeIn-line four, four-stroke
Power50.0 HP (36.5 kW )) @ 7500 RPM
Compression8.5:1
Bore x stroke63.0 x 52.4 mm (2.5 x 2.1 inches)
Valves per cylinder2
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Cooling systemAir
Gearbox5-speed
Transmission typeShaft drive (cardan) (final drive)
Front brakesDual disc
Rear brakesExpanding brake
Front tyre3.25-19
Rear tyre120/90-18
Weight incl. oil, gas, etc231.0 kg (509.3 pounds)
Fuel capacity20.50 litres (5.42 US gallons)
Top speed173.0 km/h (107.5 mph)

Source: Bikez: XJ 650 (reduced effect), 1983. Retrieved 2026-09-19. Match confidence: exact.

Years listed are the entries held in this archive, rather than a complete production history.

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