Naked Motorcycles
2015Yamaha SR400 Stallion And Bronco
43 fields on record
The 2015 Yamaha SR400 Stallion and Bronco is a classic air-cooled single-cylinder retro cruiser that appeals to riders seeking simplicity, reliability, and authentic motorcycle character. Known for its minimalist design, kick-start ignition, and approachable 400cc engine, it combines vintage aesthetics with modern fuel injection technology. Ideal for commuters and enthusiasts who value timeless style over contemporary performance.
- Capacity
- 399.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Wet weight
- 174.2 kg
- Seat height
- 785 mm
- Power
- 22.9 HP (16.7 kW) @ 6500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A classic single-cylinder roadster built for relaxed city riding, short trips, and pure kick-start simplicity rather than outright performance.
- Built for
- An old-school, air-cooled single with a thumping character that rewards a relaxed, unhurried riding style.
- Not ideal for
- Not for riders seeking high-speed touring, highway passing power, or any serious off-road capability.
Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.
Will it fit you?
Worked out in your browser - nothing is sent to usRange and running costs
Worked out in your browser - nothing is sent to usBased on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.
Engine
- Capacity
- 399.0 ccm
- Power
- 22.9 HP (16.7 kW) @ 6500 RPM
- CO2 Emissions
- 83 CO2 g/km
- Torque
- 27.4 Nm (2.8 kgf-m) @ 3000 RPM
- Engine type
- Single, four-stroke
- Fuel consumption
- 3.60 litres/100 km (27.8 km/l)
- Power/weight ratio
- 0.1315 HP/kg (wet)
- Bore x stroke
- 87.0 x 62.7 mm
- Compression
- 8.5:1
- Cooling system
- Air
- Fuel system
- Injection
- Starting
- Kick
- Ignition
- TCI
- Valves per cylinder
- 2
- Lubrication system
- Wet-sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
Dimensions & weight
- Wheelbase
- 1410 mm
- Overall length
- 2085 mm
- Overall width
- 749 mm
- Overall height
- 1095 mm
- Seat height
- 785 mm
- Wet weight
- 174.2 kg
- Fuel capacity
- 12.10 litres
- Oil capacity
- 2.40 litres
- Dry weight
- Not on record - add it
Chassis & suspension
- Frame
- Steel Double Cradle
- Front suspension
- Telescopic
- Rear suspension
- Swingarm
- Front wheel travel
- 150 mm
- Rear wheel travel
- 104 mm
- Rake (fork angle)
- 27.7°
- Trail
- 112 mm
Brakes & wheels
- Front brakes
- Single disc. Hydraulic.
- Front brakes diameter
- 268 mm
- Rear brakes
- Expanding brake (drum brake)
- Rear brakes diameter
- 150 mm
- Front tyre
- 90/100-M18
- Rear tyre
- 110/90-M18
Other
- Color options
- Turquoise blue metallic, candy gold
- Warranty
- 12
- Comments
- Yamaha Yard Built special editions.
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
Rider Reviews
Common questions
What is the engine size of the Yamaha SR400 Stallion And Bronco?
The 2015 Yamaha SR400 Stallion And Bronco has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Yamaha SR400 Stallion And Bronco have?
The 2015 Yamaha SR400 Stallion And Bronco has a Power of 22.9 HP (16.7 kW) @ 6500 RPM.
How many gears does the Yamaha SR400 Stallion And Bronco have?
The 2015 Yamaha SR400 Stallion And Bronco has a Gearbox of 5-speed.
What is the torque of the Yamaha SR400 Stallion And Bronco?
The 2015 Yamaha SR400 Stallion And Bronco has a Torque of 27.4 Nm (2.8 kgf-m or 20.2 ft.lbs) @ 3000 RPM.
How much does the Yamaha SR400 Stallion And Bronco weigh?
The 2015 Yamaha SR400 Stallion And Bronco has a Wet weight of 174.2 kg (384.0 pounds).
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