Yamaha XS 400 - 1980 Specifications and Reviews

The 1980 Yamaha XS 400 is an accessible middleweight twin designed for novice and budget-conscious riders seeking reliable everyday transportation. Its air-cooled 392cc parallel-twin engine delivers modest 27 horsepower with excellent fuel efficiency, while the lightweight 182kg frame and forgiving handling characteristics make it ideal for learning. Known for bulletproof reliability and low maintenance costs, the XS 400 remains a popular entry-level classic.

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General information

CategoryClassic
Year1980
ModelYamaha XS 400
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemAir
Fuel controlOHC
Valves per cylinder2
Bore x stroke69.0 x 52.4 mm (2.7 x 2.1 inches)
Compression9.2:1
Power27.00
Stroke4
Engine typeTwin
Capacity:392.00 ccm (23.92 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc182.0 kg (401.2 pounds)

Yamaha XS 400 dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions3.75-18
Front tyre dimensions3.00-18

Speed and acceleration

Top speed140.0 km/h (87.0 mph)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity17.00 litres (4.49 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
9.5s
0-60 mph
87 mph
Top Speed

Best For

Track15%
City68%
Cornering55%
Daily Riding60%
Touring42%
Passenger35%

Rider Profile

Best ForA forgiving, low-power classic twin that suits beginners and riders returning to biking after time away.
PurposeBest suited to relaxed commuting, weekend rides, and general around-town duties rather than performance riding.
Rider FitLight weight and a low seat height make it easy to handle for smaller or less experienced riders.
CharacterAn honest, unpretentious air-cooled twin with a classic Japanese UJM feel and modest, predictable performance.
Not Ideal ForNot the right choice for riders seeking high-speed thrills, serious touring range, or any off-road capability.

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

Rider Reviews

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