Enduro Bikes
2026RFN Thunder 300
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The 2026 RFN Thunder 300 is a budget-friendly entry-level enduro bike powered by an air-cooled 271cc single-cylinder engine producing around 21 hp through a 5-speed manual gearbox. With a fully adjustable USD front fork, 340mm ground clearance, and a 129kg weight, it offers genuine off-road capability at a notably low price point for newcomers to enduro riding.
- Capacity
- 271.3 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 129.0 kg
- Seat height
- 945 mm
- Power
- 20.8 HP (15.5 kW) @ 8500 RPM
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- A budget off-road enduro built for trail riding and beginner-to-intermediate off-road use.
- Built for
- A no-frills, value-focused enduro with genuinely adjustable suspension rarely seen at this price point.
- Not ideal for
- Not for road-focused riding, touring, or riders wanting premium build quality and refinement.
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
- 271.3 ccm
- Power
- 20.8 HP (15.5 kW) @ 8500 RPM
- Torque
- 21.0 Nm (2.1 kgf-m) @ 6500 RPM
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.1612 HP/kg (dry)
- Bore x stroke
- 75.0 x 61.4 mm
- Compression
- 9.3:1
- Cooling system
- Air
- Fuel system
- Carburettor
- Starting
- Electric & kick
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
Performance
- Top speed
- 99.8 km/h (62.0 mph)
Dimensions & weight
- Wheelbase
- 1367 mm
- Seat height
- 945 mm
- Dry weight
- 129.0 kg
- Fuel capacity
- 6.50 litres
- Ground clearance
- 340 mm
Chassis & suspension
- Front suspension
- Upside-down fork, dual adjustable, 265mm travel
- Rear suspension
- Single shock, adjustable rebound, 72mm travel
Brakes & wheels
- Front brakes
- Single disc. 270 mm. Dual-piston hydraulic caliper.
- Rear brakes
- Single disc. 240 mm. Hydraulic caliper.
- Front tyre
- 80/100-21
- Rear tyre
- 100/90-18
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 | 2024 | 2025 | 2026 |
|---|---|---|---|
| Capacity | 271 cc | 271 cc | 271 cc |
| Dry weight | 129 kg | 129 kg | 129 kg |
| Seat height | 945 mm | 945 mm | 945 mm |
| Fuel capacity | 6.5 L | 6.5 L | 6.5 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 RFN Thunder 300?
The 2026 RFN Thunder 300 has a Capacity of 271.3 ccm (16.56 cubic inches).
What engine power does the RFN Thunder 300 have?
The 2026 RFN Thunder 300 has a Power of 20.8 HP (15.5 kW) @ 8500 RPM.
How many gears does the RFN Thunder 300 have?
The 2026 RFN Thunder 300 has a Gearbox of 5-speed.
What is the torque of the RFN Thunder 300?
The 2026 RFN Thunder 300 has a Torque of 21.0 Nm (2.1 kgf-m or 15.5 ft.lbs) @ 6500 RPM.
How much does the RFN Thunder 300 weigh?
The 2026 RFN Thunder 300 has a Dry weight of 129.0 kg (284.4 pounds).
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