Naked Motorcycles
2002Yamaha SR400
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The 2002 Yamaha SR 400 is a lightweight naked bike that appeals to riders seeking simplicity and classic styling. Its air-cooled single-cylinder engine delivers modest but predictable power, making it ideal for beginners and commuters. Known for reliability and minimalist design, the SR 400 excels as an affordable, easy-to-maintain entry-level motorcycle with timeless charm.
- Capacity
- 399.0 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 152.0 kg
- Seat height
- 790 mm
- Power
- 27.0 HP (19.9 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built as a classic, minimalist standard motorcycle for relaxed street riding rather than outright performance.
- Built for
- A charming, retro-styled single-cylinder machine that rewards a relaxed, mechanical, kick-start riding experience over speed or technology.
- Not ideal for
- Not a good fit for riders wanting highway touring comfort, two-up passenger performance, or any genuine 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 usEngine
- Capacity
- 399.0 ccm
- Power
- 27.0 HP (19.9 kW)
- Torque
- 29.0 Nm (3.0 kgf-m) @ 6500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1776 HP/kg (dry)
- Bore x stroke
- 87.0 x 67.2 mm
- Compression
- 8.5:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Kick
- Valves per cylinder
- 2
- Lubrication system
- Wet-sump
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Chain
- Clutch
- Wet, Multiple Disc
Dimensions & weight
- Wheelbase
- 1410 mm
- Overall length
- 2085 mm
- Overall width
- 750 mm
- Overall height
- 1105 mm
- Seat height
- 790 mm
- Dry weight
- 152.0 kg
- Wet weight
- 174.0 kg
- Fuel capacity
- 12.00 litres
- Ground clearance
- 140 mm
- Oil capacity
- 2.40 litres
Chassis & suspension
- Frame
- Steel
- Front suspension
- Telescopic fork
- Rear suspension
- Dual shocks
- Front wheel travel
- 150 mm
- Rear wheel travel
- 125 mm
- Rake (fork angle)
- 24.7°
- Trail
- 111 mm
Brakes & wheels
- Front brakes
- Single disc
- Rear brakes
- Expanding brake
- Front tyre
- 90/100-18 54S
- Rear tyre
- 110/90-18 61S
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2002 | 2006 | 2012 | 2015 | 2019 |
|---|---|---|---|---|---|
| Capacity | 399 cc | 399 cc | 399 cc | 399 cc | 399 cc |
| Dry weight | 152 kg | 152 kg | 152 kg | 152 kg | 152 kg |
| Seat height | 790 mm | 790 mm | 790 mm | 790 mm | 785 mm |
| Fuel capacity | 12 L | 12 L | 12 L | 12 L | 12 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Yamaha SR400?
The 2002 Yamaha SR400 has a Capacity of 399.0 ccm (24.35 cubic inches).
What engine power does the Yamaha SR400 have?
The 2002 Yamaha SR400 has a Power of 27.0 HP (19.9 kW).
How many gears does the Yamaha SR400 have?
The 2002 Yamaha SR400 has a Gearbox of 5-speed.
What is the torque of the Yamaha SR400?
The 2002 Yamaha SR400 has a Torque of 29.0 Nm (3.0 kgf-m or 21.4 ft.lbs) @ 6500 RPM.
How much does the Yamaha SR400 weigh?
The 2002 Yamaha SR400 has a Dry weight of 152.0 kg (335.1 pounds).
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