The Yamaha XJR 400 R motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 53 hp (38.7 kW) @ 11,000 rpm, a 6-speed gearbox, and a listed weight of 176 kg (388 lb).
Key specifications
How the Yamaha XJR 400 R 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.
Very close to the Yamaha database average. Around the 62nd percentile across Yamaha models.
About 27% lower than the Yamaha database average. Around the 48th percentile across Yamaha models.
Very close to the Yamaha database average. Around the 39th percentile across Yamaha models.
About 53% larger than the Yamaha database average. Around the 91st 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.
53 hp — more powerful than about 62% of Yamaha models with power data.
399 cc — larger displacement than about 48% of Yamaha models.
780 mm — taller than about 39% of Yamaha models.
20 L — larger than about 91% 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.
735
823
11% below average.
1,090
1,172
7% below average.
1,435
1,416
Close to average.
780
793
Close to average.
115
181
36% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 110/70-ZR17 54W |
|---|---|
| Rear tire size | 150/70-ZR17 69W |
| Power-to-weight ratio | 0.301 hp/kg |
| Power-to-weight | 301.1 hp/tonne |
| Specific power | 132.8 hp/L |
| Bore/stroke ratio | 1.31:1 (Oversquare) |
Model information
| Year released | 2002 |
|---|---|
| Category | Naked bike |
Engine specifications
| Engine type | In-line four, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 53 hp (38.7 kW) @ 11,000 rpm |
| Torque | 35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 9,500 rpm |
| Bore × stroke | 55.0 x 42 mm (2.2 x 1.7 inches) |
| Compression ratio | 10.7:1 |
| Valves per cylinder | 4 |
| Cooling system | Air |
| Fuel system | Carburettor |
| Fuel control | Double Overhead Cams/Twin Cam (DOHC) |
Transmission and drivetrain
| Gearbox | 6-speed |
|---|---|
| Final drive | Chain (final drive) |
Brakes, wheels and tires
| Front brakes | Dual disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 110/70-ZR17 54W |
| Rear tire | 150/70-ZR17 69W |
Dimensions and weight
| Dry weight | 176 kg (388 lb) |
|---|---|
| Seat height | 780 mm (30.7 inches) |
| Overall length | 2,085 mm (82.1 inches) |
| Overall width | 735 mm (28.9 inches) |
| Overall height | 1,090 mm (42.9 inches) |
| Wheelbase | 1,435 mm (56.5 inches) |
| Ground clearance | 115 mm (4.5 inches) |
Fuel and emissions
| Fuel capacity | 20.00 L (5.28 US gal) |
|---|
Performance
| Power/weight ratio | 0.3011 hp/kg |
|---|
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.