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Naked Motorcycles

2022Senke SK400-K Alien Monster

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The 2022 Senke SK400-K Alien Monster is a nimble naked bike designed for riders seeking affordable entry-level performance. Its 378cc liquid-cooled twin engine delivers 38.2 horsepower and 35 Nm of torque, making it ideal for commuting and spirited riding. Known for its modern styling and reliable five-speed transmission, this motorcycle balances practicality with accessible fun.

Capacity
378.0 ccm
Engine
Parallel Twin, four-stroke
Gearbox
5-speed
Wet weight
189.0 kg
Seat height
800 mm
Power
38.2 HP (27.9 kW) @ 8500 RPM
⇄ Compare with another bike + Add to garage All model years

How it rides

Editorial estimate from the spec sheet - not lab tested
Speed 40Agility 68Comfort 52Off-road 15Touring 30Road manners 62
Off-road & trail15%
Cornering55%
City riding72%
Daily riding65%
Touring30%
Two-up35%
Track25%
Best for
Designed as an affordable, styling-forward naked bike for city commuting and casual weekend rides rather than outright performance.
Built for
A quirky, budget-friendly naked bike with aggressive styling that prioritizes attitude and everyday usability over raw speed.
Not ideal for
Not a good fit for experienced riders seeking strong highway overtaking power, long-distance touring comfort, or any serious off-road capability.

Scores are derived from the spec sheet using the same model across every bike, so they compare like for like.

Will it fit you?

Worked out in your browser - nothing is sent to us
At 800mm, a rider of 68.9" with a 31" (estimated) inseam will reach the ground with both feet flat on the 2022 Senke SK400-K Alien Monster, with a relaxed knee angle of around 120 degrees and a forward-leaning riding position.

Assumes about 30mm of suspension sag once seated. This is an approximation from category-typical geometry, not a measurement of this bike or of you - sit on one before you buy.

More bikes at 751-820 mm — Middle Ground →

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Range and running costs

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Based on the maker's published fuel consumption and tank size. Real-world figures depend on how and where you ride, and the last litres of a tank are reserve. Prices shown greyed are examples - type your own.

Full specifications

Engine
Capacity
378.0 ccm
Power
38.2 HP (27.9 kW) @ 8500 RPM
CO2 Emissions
79 CO2 g/km
Torque
35.0 Nm (3.6 kgf-m) @ 7000 RPM
Engine type
Parallel Twin, four-stroke
Fuel consumption
3.40 litres/100 km (29.4 km/l)
Power/weight ratio
0.2021 HP/kg (wet)
Compression
11.1:1
Cooling system
Liquid
Fuel system
Injection
Starting
Electric
Ignition
CDI
Transmission
Gearbox
5-speed
Transmission type
Manual
Clutch
Wet Multiplate, slip
Performance
Top speed
140.0 km/h (87.0 mph)
Dimensions & weight
Wheelbase
1380 mm
Overall length
2050 mm
Overall width
775 mm
Overall height
1127 mm
Seat height
800 mm
Wet weight
189.0 kg
Fuel capacity
16.00 litres
Ground clearance
150 mm
Dry weight
Not on record - add it
Chassis & suspension
Frame
Braid type
Front suspension
Upside down forks
Rear suspension
Monoshock
Brakes & wheels
Front brakes
Single disc. ABS
Rear brakes
Single disc. ABS
ABS
Yes
Front tyre
110/70-17
Rear tyre
150/55-17
Other
Color options
Orange/grey, red/gray
Comments
Chinese brand.

Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.

Rider Reviews

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MotorcycleDB

The Senke SK400-K Alien Monster is a powerful and impressive motorcycle that is sure to turn heads on the road. With its unique design and eye-catching color scheme, this bike stands out from the rest. The SK400-K is equipped with a 400cc engine, providing plenty of power for an exhilarating ride. Its sturdy construction and advanced suspension system make for a smooth and comfortable journey, even on rough terrain. Whether you're cruising around town or hitting the open road, the Senke SK400-K Alien Monster delivers an exciting and thrilling riding experience.

In addition to its stylish appearance, the SK400-K also boasts advanced safety features, including responsive brakes and reliable handling. The comfortable seating position and ergonomic design make for a comfortable and enjoyable ride, while the powerful engine ensures a thrilling and dynamic experience on the road. Whether you're a seasoned rider or a beginner, the Senke SK400-K Alien Monster has something to offer for everyone. If you're in the market for a high-performance motorcycle that offers both style and substance, the SK400-K is definitely worth considering.

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Common questions

What is the engine size of the Senke SK400-K Alien Monster?

The 2022 Senke SK400-K Alien Monster has a Capacity of 378.0 ccm (23.07 cubic inches).

What engine power does the Senke SK400-K Alien Monster have?

The 2022 Senke SK400-K Alien Monster has a Power of 38.2 HP (27.9 kW) @ 8500 RPM.

How many gears does the Senke SK400-K Alien Monster have?

The 2022 Senke SK400-K Alien Monster has a Gearbox of 5-speed.

What is the torque of the Senke SK400-K Alien Monster?

The 2022 Senke SK400-K Alien Monster has a Torque of 35.0 Nm (3.6 kgf-m or 25.8 ft.lbs) @ 7000 RPM.

How much does the Senke SK400-K Alien Monster weigh?

The 2022 Senke SK400-K Alien Monster has a Wet weight of 189.0 kg (416.7 pounds).

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