The Yamaha SR 400 35-years motorcycle specifications include a 399 cc (24.35 cu in) engine, a 5-speed gearbox, and a listed weight of 174 kg (383.6 lb).
Key specifications
How the Yamaha SR 400 35-years compares
This compares the motorcycle with all Yamaha models in this specifications database. The blue marker is this model and the grey line is the Yamaha database average.
About 27% lower than the Yamaha database average. Around the 48th percentile across Yamaha models.
About 7% lighter than the Yamaha database average. Around the 46th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 49th percentile across Yamaha models.
About 8% smaller than the Yamaha database average. Around the 45th percentile across Yamaha models.
Yamaha database percentile rankings
Percentiles show where this motorcycle sits across the Yamaha specifications database. They are descriptive database rankings, not performance ratings.
399 cc — larger displacement than about 48% of Yamaha models.
174 kg — heavier than about 46% of Yamaha models, or lighter than about 54%.
790 mm — taller than about 49% of Yamaha models.
12 L — larger than about 45% of Yamaha fuel tanks in this database.
Dimensions compared with Yamaha average
Each measurement is compared with the average value across Yamaha models where that dimension is available.
2,085
2,082
Close to average.
1,410
1,416
Close to average.
790
793
Close to average.
140
181
23% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/100-18 |
|---|---|
| Rear tire size | 110/90-18 |
| Front tire width | 90 mm |
| Front tire aspect ratio | 100% |
| Front rim diameter | 18 in |
| Rear tire width | 110 mm |
| Rear tire aspect ratio | 90% |
| Rear rim diameter | 18 in |
| Engine oil capacity | 2.40 L (2.54 US qt) |
| Bore/stroke ratio | 1.29:1 (Oversquare) |
Model information
| Year released | 2014 |
|---|---|
| Category | Allround |
Engine specifications
| Engine type | Single cylinder, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Torque | 27.4 Nm (2.8 kgf-m or 20.2 ft.lbs) @ 3,000 rpm |
| Bore × stroke | 87.0 x 67.2 mm (3.4 x 2.6 inches) |
| Compression ratio | 8.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Overhead Cams (OHC) |
| Starter | Kick |
| Lubrication | Wet-sump |
| Oil capacity | 2.40 L (2.54 US qt) |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Final drive | Chain (final drive) |
| Clutch | Wet, Multiple Disc |
Chassis and suspension
| Frame | Steel Double Cradle |
|---|---|
| Front suspension | Telescopic fork |
| Rear suspension | Dual shocks |
| Front wheel travel | 150 mm (5.9 inches) |
| Rear wheel travel | 125 mm (4.9 inches) |
| Rake | 24.7° |
| Trail | 111 mm (4.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 90/100-18 |
| Rear tire | 110/90-18 |
Dimensions and weight
| Wet weight | 174 kg (383.6 lb) |
|---|---|
| Seat height | 790 mm (31.1 inches) |
| Overall length | 2,085 mm (82.1 inches) |
| Wheelbase | 1,410 mm (55.5 inches) |
| Ground clearance | 140 mm (5.5 inches) |
Fuel and emissions
| Fuel capacity | 12.00 L (3.17 US gal) |
|---|
Other specifications
| Color options | Black/orange |
|---|---|
| Comments | Special edition model. |
Disclaimer: Specifications may vary by market, trim, production date and optional equipment, and scraped or historical data can contain errors. Comparison and percentile values are calculated from Yamaha models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Yamaha information before relying on them. Visit the official Yamaha website.