06 July. Monday 2026
Hoku 400 - 2025 Specifications and Reviews
The 2025 SWM Hoku 400 is a nimble naked bike designed for entry-level and middleweight riders seeking modern technology in an accessible package. Its liquid-cooled 400cc twin-cylinder engine delivers 42.2 horsepower with Euro 5 compliance, making it ideal for commuting and weekend rides. Known for its manageable power delivery and lightweight handling characteristics, the Hoku suits riders transitioning to larger displacement bikes.
2025
General information | |
| Color Options | Black |
| Category | Naked bike |
| Model | SWM Hoku 400 |
| | |
Engine and Transmission Specifications | |
| Starting | Electric |
| Emission Details | Euro 5 |
| Clutch | Wet, multiplate type |
| Final Drive | Chain (final drive) |
| Gearbox | 6-speed |
| Cooling System | Liquid |
| Ignition | Electronic |
| Fuel Control | Double Overhead Cams/Twin Cam (DOHC) |
| Induction | Injection |
| Valves Per Cylinder | 4 |
| Max Power | 42.2 HP (30.8 kW)) |
| Capacity | 400.9 ccm (24.46 cubic inches) |
Physical measures and capacities | |
| Fuel Capacity | 16.50 litres (4.36 US gallons) |
| Seat Height | 785 mm (30.9 inches) If adjustable, lowest setting. |
| Power/Weight Ratio | 0.2725 HP/kg |
| Dry Weight | 155.0 kg (341.7 pounds) |
Hoku 400 dimensions and frame | |
| Wheels | Wire spoked. Michelin tyres. |
| Rear Brakes | Single disc. ABS. Brembo. |
| Brake Disc Diameter | 220 mm (8.7 inches) |
| Front Brakes | Single disc. ABS. Brembo |
| Rear Tyre | 150/60-17 |
| Front Tyre | 110/70-17 |
| Rear Suspension | Monoshock Adjustable preload |
| Front Suspension | Kayba telescopic hydraulic fork 41mm |
| | |
Other specs | |
| Related bikes | List related bikes for comparison of specs. |
| Ask questions | Join the 25 SWM Hoku 400 discussion group or the general SWM discussion group. |
| Maintenance | Find parts, fluids. filters, maintenance tools and service manuals at Amazon.com. |
| Insurance costs | Compare US insurance quotes from the nation's top providers. |
| Update specs | Report missing specs or required updates. |
| Comments | Italian brand. |
| Instruments | 7-inch TFT Meter |
| Engine type | Twin, four-stroke |
| Model year | 2025 |
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