377.7cc Street Motorcycle with LED Headlight
This street motorcycle has a 377.7ml two-cylinder, SOHC engine with a 6-speed transmission. It features front and rear disc brakes, telescopic front forks, and a mono-shock rear suspension.





Technical Specifications
Overview
High-Performance Street Motorcycle
The Alien Monster SK400 is a modern street bike designed for agility and performance in urban environments. It features a powerful 377.7cc liquid-cooled engine paired with a 6-speed transmission and a wet multi-plate hydraulic slip clutch for smooth handling. With its aggressive styling, LED lighting, and advanced suspension system, this motorcycle offers a premium riding experience for both commuting and recreational use.
Key Performance
Engine Performance
Engine & Transmission
- Displacement
- 377.7 ml
- Engine Configuration
- Two-cylinder, SOHC with balancer, 8 valves
- Cooling System
- Water cooling
- Fuel System
- Fuel Injection
- Transmission
- 6-speed manual
Chassis & Suspension
- Frame Type
- Weaving tube frame
- Front Suspension
- 37mm upside down suspension
- Rear Suspension
- Mono-shock absorber
Braking & Tires
Braking System
| Position | Type | Diameter |
|---|---|---|
| Front | Single Disc | 300mm |
| Rear | Single Disc | 240mm |
Tire Specifications
- Front: 110/70-17
- Rear: 150/60-17
Dimensions & Capacity
- Fuel Tank Capacity
- 19.5 L
- Seat Height
- 790 mm
- Dry Weight
- 175 kg
- Maximum Loadage
- 185 kg
Electrical & Equipment
- Standard Equipment
- LED HeadlightDigital Instrument PanelElectrical StartECU Ignition
- Battery
- 12V10A



