The Yamaha SR400 Gibbonslap motorcycle specifications include a 399 cc (24.35 cu in) engine, a 5-speed gearbox, and a listed weight of 174.2 kg (384 lb).
Key specifications
How the Yamaha SR400 Gibbonslap 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 47th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 44th percentile across Yamaha models.
About 7% smaller than the Yamaha database average. Around the 46th 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.
174.2 kg — heavier than about 47% of Yamaha models, or lighter than about 53%.
785 mm — taller than about 44% of Yamaha models.
12.1 L — larger than about 46% 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.
749
823
9% below average.
1,095
1,172
7% below average.
1,410
1,416
Close to average.
785
793
Close to average.
Mechanical overview
Additional useful specifications
| Front tire size | 90/100-M18 |
|---|---|
| Rear tire size | 110/90-M18 |
| Engine oil capacity | 2.40 L (2.54 US qt) |
| Estimated theoretical fuel range | 340 km |
| Bore/stroke ratio | 1.39:1 (Oversquare) |
Model information
| Year released | 2015 |
|---|---|
| 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 62.7 mm (3.4 x 2.5 inches) |
| Compression ratio | 8.5:1 |
| Valves per cylinder | 2 |
| Cooling system | Air |
| Fuel system | Injection |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | TCI: Transistor Controlled Ignition |
| 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 |
| Rear suspension | Swingarm |
| Front wheel travel | 150 mm (5.9 inches) |
| Rear wheel travel | 104 mm (4.1 inches) |
| Rake | 27.7° |
| Trail | 112 mm (4.4 inches) |
Brakes, wheels and tires
| Front brakes | Single disc. Hydraulic. |
|---|---|
| Rear brakes | Expanding brake (drum brake) |
| Front tire | 90/100-M18 |
| Rear tire | 110/90-M18 |
Dimensions and weight
| Wet weight | 174.2 kg (384 lb) |
|---|---|
| Seat height | 785 mm (30.9 inches) |
| Overall length | 2,085 mm (82.1 inches) |
| Overall width | 749 mm (29.5 inches) |
| Overall height | 1,095 mm (43.1 inches) |
| Wheelbase | 1,410 mm (55.5 inches) |
| Carrying capacity | Luggage rack. Hand-built soft panniers. |
Fuel and emissions
| Fuel capacity | 12.11 L (3.20 US gal) |
|---|---|
| Fuel consumption | 3.56 L/100 km (28.1 km/l or 66.07 mpg) |
| Greenhouse gases | 82.6 CO 2 g/km. (CO2 – Carbon dioxide emission) |
Other specifications
| Seat | Single seat |
|---|---|
| Exhaust system | Titanium megaphone exhaust |
| Comments | Yamaha Yard Built model by Wrenchmonkees. |
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.