Naked Motorcycles
2021Keeway RKS 125 E4
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The 2021 Keeway RKS 125 E4 is an entry-level sport bike designed for novice and budget-conscious riders seeking an affordable introduction to motorcycling. Its 124cc single-cylinder engine delivers modest but adequate power for city commuting and casual riding. Known for its sporty styling and accessible price point, it appeals primarily to young riders and those transitioning from scooters.
- Capacity
- 124.1 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 132.0 kg
- Seat height
- 760 mm
- Power
- 11.4 HP (8.3 kW) @ 9000 RPM
What’s new for the 2021 Keeway RKS 125 E4
vs the 2020| Spec | 2020 | 2021 |
|---|---|---|
| Front suspension | Telescopic forks | Telescopic fork |
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Designed as an affordable, sporty-styled commuter for city streets rather than a genuine performance machine.
- Built for
- Feels like a nimble, entry-level sportbike with playful low-speed handling but limited outright grunt.
- Not ideal for
- Not a good fit for experienced riders seeking real highway speed, long-distance touring comfort, or any 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 usEngine
- Capacity
- 124.1 ccm
- Power
- 11.4 HP (8.3 kW) @ 9000 RPM
- Torque
- 9.2 Nm (0.9 kgf-m) @ 7500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.0864 HP/kg (dry)
- Bore x stroke
- 57.0 x 48.8 mm
- Compression
- 10.6:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric
- Ignition
- TLI
- Valves per cylinder
- 2
- Lubrication system
- Pressure splash
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Clutch
- Wet, multiple-plate
Dimensions & weight
- Wheelbase
- 1290 mm
- Overall length
- 2050 mm
- Overall width
- 760 mm
- Overall height
- 1065 mm
- Seat height
- 760 mm
- Dry weight
- 132.0 kg
- Fuel capacity
- 16.00 litres
- Ground clearance
- 185 mm
Chassis & suspension
- Frame
- Arch bar truck
- Front suspension
- Telescopic fork
- Rear suspension
- Telescopic coil spring oil damped
- Front wheel travel
- 110 mm
- Rear wheel travel
- 60 mm
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Front tyre
- 90/90-17
- Rear tyre
- 100/80-17
Other
- Color options
- White, black, red, grey
- Warranty
- 24
Compiled from manufacturer documentation and user contributions, corrected on an ongoing basis. Spotted something wrong? Tell us.
What changed, year to year
Differences highlighted| Specification | 2019 | 2020 | 2021 |
|---|---|---|---|
| Capacity | 125 cc | 125 cc | 124 cc |
| Dry weight | 132 kg | 132 kg | 132 kg |
| Seat height | 760 mm | 760 mm | 760 mm |
| Fuel capacity | 16 L | 16 L | 16 L |
Illustrative - generated automatically by diffing the year records already on file, not a manufacturer-published changelog.
Rider Reviews
Common questions
What is the engine size of the Keeway RKS 125 E4?
The 2021 Keeway RKS 125 E4 has a Capacity of 124.1 ccm (7.57 cubic inches).
What engine power does the Keeway RKS 125 E4 have?
The 2021 Keeway RKS 125 E4 has a Power of 11.4 HP (8.3 kW) @ 9000 RPM.
How many gears does the Keeway RKS 125 E4 have?
The 2021 Keeway RKS 125 E4 has a Gearbox of 5-speed.
What is the torque of the Keeway RKS 125 E4?
The 2021 Keeway RKS 125 E4 has a Torque of 9.2 Nm (0.9 kgf-m or 6.8 ft.lbs) @ 7500 RPM.
How much does the Keeway RKS 125 E4 weigh?
The 2021 Keeway RKS 125 E4 has a Dry weight of 132.0 kg (291.0 pounds).
Shop this bike
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The 2021 Keeway RKS 125 E4 motorcycle is a sleek and stylish option for those in the market for a reliable and efficient bike. Equipped with a powerful 125cc engine and E4 emissions compliance, this motorcycle offers a smooth and responsive ride. The ergonomic design of the RKS 125 E4 ensures comfort for riders of all sizes, making it a great choice for daily commutes or weekend adventures. The modern features and attractive price point make this Keeway motorcycle a standout option in its class.
Overall, the 2021 Keeway RKS 125 E4 motorcycle is a strong contender for anyone seeking a reliable and affordable bike. With its impressive performance capabilities and stylish design, this motorcycle offers a great value for riders of all experience levels. Whether you're a seasoned rider or a beginner looking for a dependable way to get around, the RKS 125 E4 is definitely worth considering for your next motorcycle purchase.
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