Yamaha XJ 650 - 1983 Specifications and Reviews

The 1983 Yamaha XJ 650 is a lightweight naked bike powered by a 653cc inline-four engine producing 71 horsepower. It suits riders seeking an affordable, reliable middleweight with excellent maneuverability and user-friendly handling. Known for its bulletproof engineering and practical shaft drive, the XJ 650 became a popular choice for commuting and everyday riding.

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General information

CategoryNaked bike
Year1983
ModelYamaha XJ 650

Engine and Transmission Specifications

Transmission typefinal driveShaft drive (cardan)
Gearbox5-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder2
Bore x stroke63.0 x 52.4 mm (2.5 x 2.1 inches)
Compression9.2:1
Power71.00
Stroke4
Engine typeIn-line four
Capacity:653.00 ccm (39.85 cubic inches)
 
 

Physical measures and capacities

Weight incl. oil, gas, etc231.0 kg (509.3 pounds)

Yamaha XJ 650 dimensions and frame

Rear brakesExpanding brake
Front brakesDual disc
Rear tyre dimensions120/90-18
Front tyre dimensions3.25-19

Speed and acceleration

Top speed197.0 km/h (122.4 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity20.50 litres (5.42 gallons)

Performance Profile & Rider Fit

71 hp
Peak Power
4.8s
0-60 mph
122.4 mph
Top Speed

Best For

Track35%
City58%
Cornering55%
Daily Riding65%
Touring62%
Passenger60%

Rider Profile

Best ForA confident beginner or returning rider will feel at home, as the XJ 650 is forgiving but rewards smooth, deliberate inputs.
PurposeThis bike suits riders who want a classic, versatile naked machine for commuting, weekend rides, and light touring rather than outright performance.
Rider FitAt 231 kg with a moderate seat height typical of early-80s UJMs, it's manageable for average-height riders but noticeable at low speeds or when maneuvering by hand.
CharacterThe air-cooled inline-four and shaft drive give it a smooth, mechanical charm with steady, unhurried power delivery rather than aggressive thrills.
Not Ideal ForIt's not the right choice for riders seeking modern sportbike agility, off-road capability, or class-leading acceleration.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Reviews

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