The Suzuki Boulevard 400 motorcycle specifications include a 399 cc (24.35 cu in) engine, power of 32.2 hp (23.5 kW) @ 8,000 rpm, a 5-speed gearbox, and a listed weight of 240 kg (529.1 lb).
Key specifications
The 2008 model is treated as the standard specification. Only later model years with a different supplied value are shown below.
How the Suzuki Boulevard 400 compares
This compares the motorcycle with all Suzuki models in this specifications database. The blue marker is this model and the grey line is the Suzuki database average.
About 51% lower than the Suzuki database average. Around the 35th percentile across Suzuki models.
About 35% lower than the Suzuki database average. Around the 40th percentile across Suzuki models.
About 11% lower than the Suzuki database average. Around the 16th percentile across Suzuki models.
About 20% larger than the Suzuki database average. Around the 68th percentile across Suzuki models.
Dimensions compared with Suzuki average
Each measurement is compared with the average value across Suzuki models where that dimension is available.
2,370
2,137
11% above average.
920
823
12% above average.
1,125
1,158
Close to average.
1,655
1,444
15% above average.
700
786
11% below average.
140
176
21% below average.
Mechanical overview
Additional useful specifications
| Front tire size | 130/90-16 |
|---|---|
| Rear tire size | 170/80-15 |
| Front tire width | 130 mm |
| Front tire aspect ratio | 90% |
| Front rim diameter | 16 in |
| Rear tire width | 170 mm |
| Rear tire aspect ratio | 80% |
| Rear rim diameter | 15 in |
| Power-to-weight ratio | 0.134 hp/kg |
| Power-to-weight | 134.2 hp/tonne |
| Specific power | 80.7 hp/L |
| Bore/stroke ratio | 1.04:1 (Oversquare) |
Model information
| Category | Custom / cruiser |
|---|
Engine specifications
| Engine type | V2, four-stroke |
|---|---|
| Displacement | 399 cc (24.35 cu in) |
| Power | 32.2 hp (23.5 kW) @ 8,000 rpm |
| Torque | 33.0 Nm (3.4 kgf-m or 24.3 ft.lbs) @ 6,000 rpm |
| Bore × stroke | 65.0 x 62.5 mm (2.6 x 2.5 inches) |
| Compression ratio | 10.5:1 |
| Cooling system | Liquid |
| Fuel system | Carburettor. BDSR29 |
| Fuel control | Single Overhead Cams (SOHC) |
| Ignition | Full transistor system |
| Starter | Electric |
| Lubrication | Wet sump |
Transmission and drivetrain
| Gearbox | 5-speed |
|---|---|
| Clutch | Wet multiple plate coil springs |
Chassis and suspension
| Frame | Double cradle |
|---|
Brakes, wheels and tires
| Front brakes | Single disc |
|---|---|
| Rear brakes | Single disc |
| Front tire | 130/90-16 |
| Rear tire | 170/80-15 |
Dimensions and weight
| Dry weight | 240 kg (529.1 lb) |
|---|---|
| Seat height | 700 mm (27.6 inches) |
| Overall length | 2,370 mm (93.3 inches) |
| Overall width | 920 mm (36.2 inches) |
| Overall height | 1,125 mm (44.3 inches) |
| Wheelbase | 1,655 mm (65.2 inches) |
| Ground clearance | 140 mm (5.5 inches) |
Fuel and emissions
| Fuel capacity | 17.00 L (4.49 US gal) |
|---|
Performance
| Power/weight ratio | 0.1341 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 Suzuki models in this specifications database. Always double-check important specifications against the motorcycle owner’s/service manual and official Suzuki information before relying on them. Visit the official Suzuki website.