Yamaha SR400 - 2019 Specifications and Reviews
The 2019 Yamaha SR400 is a classic air-cooled single-cylinder retro motorcycle ideal for riders seeking simplicity and vintage aesthetics. Known for its lightweight construction, reliable kick-start engine, and minimalist design, it appeals to purists who appreciate old-school motorcycling without modern complexity. The SR400 excels as a practical commuter and weekend cruiser.
General information | |
| Category | Allround |
| Year | 2019 |
| Model | Yamaha SR400 |
| | |
Engine and Transmission Specifications | |
| Greenhouse gases | 82.6 CO2 g/km. (CO2 - Carbon dioxide emission) |
| Fuel consumption | 3.56 litres/100 km (28.1 km/l or 66.07 mpg) |
| Clutch | Wet, Multiple Disc |
| Transmission type | Chain (final drive) |
| Gearbox | 5-speed |
| Cooling system | Air |
| Lubrication system | Wet-sump |
| Ignition | TCI: Transistor Controlled Ignition |
| Fuel control | Single Overhead Cams (SOHC) |
| Fuel system | Injection |
| Valves per Cylinder | 2 |
| Bore x Stroke | 87.0 x 62.7 mm (3.4 x 2.5 inches) |
| Compression | 8.5:1 |
| Torque | 27.4 Nm (2.8 kgf-m or 20.2 ft.lbs) @ 3000 RPM |
| Power | 22.9 HP (16.7 kW) @ 6500 RPM |
| Engine type | Single cylinder, four-stroke |
| Capacity: | 399.0 ccm (24.35 cubic inches) |
Brakes, suspension, Frame and wheels | |
| Wheels | Wire spoked |
| Rear brakes | Expanding brake (drum brake) |
| Diameter | 298 mm (11.7 inches) |
| Front brakes | Single disc. Hydraulic. |
| Rear tire | 110/90-18 |
| Front tire | 90/100-18 |
| Rear wheel travel | 105 mm (4.1 inches) |
| Rear Suspension | SwDual shock swingarm |
| Front wheel travel | 150 mm (5.9 inches) |
| Front Suspension | Telescopic |
| Trail | 112 mm (4.4 inches) |
| Rake (fork angle) | 27.7° |
| Frame type | Semi Double Cradle |
Physical measures and capacities | |
| Oil capacity | 2.40 litres (2.54 US quarts) |
| Fuel capacity | 12.00 litres (3.17 US gallons) |
| Wheelbase | 1410 mm (55.5 inches) |
| Ground clearance | 130 mm (5.1 inches) |
| Overall width | 750 mm (29.5 inches) |
| Overall length | 2085 mm (82.1 inches) |
| Overall height | 1095 mm (43.1 inches) |
| Seat height | 785 mm (30.9 inches) If adjustable, lowest setting. |
| Weight incl. oil, gas, etc | 174.0 kg (383.6 pounds) |
Other specs | |
| Maintenance | Find parts, fluids, filters, maintenance tools and service items on eBay |
| Factory warranty | 1 Year Limited Factory Warranty |
| Starter | Kick |
| Color options | Retro Green, Onyx |
Performance Profile & Rider Fit
22.9 hp
Peak Power
9.5s
0-60 mph
Best For
Track10%
City75%
Cornering50%
Daily Riding55%
Touring25%
Passenger30%
Rider Profile
| Best For | A friendly, low-intimidation single that suits newer riders or experienced riders wanting a simple, analog machine. |
| Purpose | Built for classic-styled city riding, short jaunts, and enjoying the mechanical simplicity of a kick-start single rather than for outright performance. |
| Rider Fit | Light weight and a moderate seat height make it easy for shorter or less physically strong riders to manage at low speed and in traffic. |
| Character | A charming, old-school retro roadster that rewards relaxed, unhurried riding with plenty of mechanical character. |
| Not Ideal For | Not suited for highway touring, two-up long distances, or riders wanting strong acceleration and modern performance. |
Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.
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Rider Reviews
Total comments: 1

MotorcycleDB Review
The 2019 Yamaha SR400 is a classic, retro-styled motorcycle with a simple and clean design. It features a 399cc air-cooled single-cylinder engine that provides smooth and responsive power delivery. The bike is lightweight and agile, making it easy to maneuver through city streets or twisty backroads. With its vintage look and modern engineering, the SR400 offers a unique riding experience that is both fun and nostalgic. Yamaha has done a great job with the 2019 SR400, creating a bike that pays homage to the brand's heritage while still delivering on performance. The motorcycle's classic design and dependable engine make it a timeless choice for riders who appreciate simplicity and style. Whether you're a seasoned rider or a beginner, the Yamaha SR400 is a great option for anyone looking for a reliable and enjoyable motorcycle.Add a Comment
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