Yamaha XS 400 DOHC - 1989 Specifications and Reviews

The 1989 Yamaha XS 400 DOHC is a lightweight, air-cooled middleweight twin ideal for beginner and budget-conscious riders seeking reliable commuting and light touring. Known for its economical 399cc DOHC engine delivering 27 horsepower and exceptional fuel efficiency, this nimble machine offers user-friendly handling and affordable ownership costs.

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General information

CategoryTouring
Year1989
ModelYamaha XS 400 DOHC
 
 

Engine and Transmission Specifications

Transmission typefinal driveChain
Gearbox6-speed
Cooling systemAir
Fuel controlDOHC
Valves per cylinder2
Bore x stroke69.0 x 53.4 mm (2.7 x 2.1 inches)
Compression9.1:1
Power27.00
Stroke4
Engine typeTwin
Capacity:399.00 ccm (24.35 cubic inches)

Physical measures and capacities

Weight incl. oil, gas, etc187.0 kg (412.3 pounds)

Yamaha XS 400 DOHC dimensions and frame

Rear brakesExpanding brake
Front brakesSingle disc
Rear tyre dimensions4.00-18
Front tyre dimensions3.00-18
 
 

Speed and acceleration

Top speed143.0 km/h (88.9 mph)

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
Fuel capacity18.00 litres (4.76 gallons)

Performance Profile & Rider Fit

27 hp
Peak Power
8.5s
0-60 mph

Best For

Track20%
City65%
Cornering55%
Daily Riding60%
Touring45%
Passenger35%

Rider Profile

Best ForThis bike suits beginner to intermediate riders who want a manageable, low-intimidation machine to build confidence on.
PurposeIt's best suited for light commuting, weekend backroad rides, and easy sport-touring rather than serious speed or distance work.
Rider FitIts light weight and low seat height make it accessible and easy to manage for riders of smaller stature or less physical strength.
CharacterThe air-cooled DOHC twin has a classic, understated charm that rewards smooth, relaxed riding over aggressive throttle use.
Not Ideal ForThis is not the bike for riders seeking high-speed thrills, off-road capability, or serious long-haul touring comfort with a passenger.

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

Rider Reviews

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