Motocross Bikes
2018KTM 350 SX-F
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The 2018 KTM 350 SX-F is a lightweight, nimble motocross bike engineered for intermediate to advanced riders seeking agility and precise handling. Its compact 960mm seat height and responsive WP suspension make it ideal for technical terrain and competitive racing. Known for excellent power delivery and maneuverability, it excels in tight tracks and demanding cross-country conditions.
- Capacity
- 349.7 ccm
- Engine
- Single, four-stroke
- Gearbox
- 5-speed
- Dry weight
- 99.8 kg
- Seat height
- 960 mm
- Power
- 50.0 HP (36.8 kW)
How it rides
Editorial estimate from the spec sheet - not lab tested- Best for
- Built purely for motocross and off-road competition, excelling at jumps, berms, and technical terrain rather than any road use.
- Built for
- A sharp, high-revving single-cylinder engine paired with a featherweight chassis gives it razor-sharp agility and instant throttle response for aggressive riders.
- Not ideal for
- This is not a fit for commuters, touring riders, passengers, or anyone seeking a comfortable, road-legal, low-maintenance motorcycle.
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
- 349.7 ccm
- Power
- 50.0 HP (36.8 kW)
- Engine type
- Single, four-stroke
- Power/weight ratio
- 0.5010 HP/kg (dry)
- Bore x stroke
- 88.0 x 57.5 mm
- Compression
- 14.0:1
- Cooling system
- Liquid
- Fuel system
- Injection
- Starting
- Electric
- Ignition
- Keihin EMS
- Lubrication system
- Forced oil lubrication with 2 Eaton pumps
Transmission
- Gearbox
- 5-speed
- Transmission type
- Manual
- Final drive
- Shaft
Dimensions & weight
- Wheelbase
- 1485 mm
- Seat height
- 960 mm
- Dry weight
- 99.8 kg
- Fuel capacity
- 7.00 litres
- Ground clearance
- 370 mm
Chassis & suspension
- Frame
- 25CrMo4 steel central-tube
- Front suspension
- WP-USD, AER 48, Ø 48 mm
- Rear suspension
- WP shock absorber with linkage
- Front wheel travel
- 300 mm
- Rear wheel travel
- 300 mm
- Rake (fork angle)
- 26.5°
Brakes & wheels
- Front brakes
- Single disc
- Front brakes diameter
- 260 mm
- Rear brakes
- Single disc
- Rear brakes diameter
- 220 mm
- Front tyre
- 1.6-21
- Rear tyre
- 2.15-19
Other
- Color options
- Orange/white/black
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 | 2011 | 2015 | 2018 | 2022 | 2025 |
|---|---|---|---|---|---|
| Capacity | 350 cc | 350 cc | 350 cc | 350 cc | 350 cc |
| Dry weight | 104 kg | 105 kg | 100 kg | 100 kg | 102 kg |
| Seat height | 992 mm | 992 mm | 960 mm | 950 mm | 958 mm |
| Fuel capacity | 7.5 L | 7.5 L | 7 L | 7.5 L | 7.2 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 KTM 350 SX-F?
The 2018 KTM 350 SX-F has a Capacity of 349.7 ccm (21.34 cubic inches).
What engine power does the KTM 350 SX-F have?
The 2018 KTM 350 SX-F has a Power of 50.0 HP (36.8 kW).
How many gears does the KTM 350 SX-F have?
The 2018 KTM 350 SX-F has a Gearbox of 5-speed.
How much does the KTM 350 SX-F weigh?
The 2018 KTM 350 SX-F has a Dry weight of 99.8 kg (220.0 pounds).
Shop this bike
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The 2018 KTM 350 SX-F is a powerful and high-performance motorcycle that is perfect for both beginner and experienced riders. With its 350cc engine, this bike offers plenty of torque and power for tackling off-road trails and tracks. The lightweight frame and agile handling make it easy to maneuver through tight corners and rough terrain, while the suspension provides a smooth and comfortable ride. The 2018 KTM 350 SX-F is a versatile and reliable bike that is sure to impress any rider looking for a top-of-the-line off-road motorcycle.
Overall, the 2018 KTM 350 SX-F is a fantastic choice for anyone in the market for a high-quality off-road motorcycle. Its powerful engine, lightweight design, and precise handling make it a top contender in the competitive 350cc class. Whether you're an experienced rider looking for a new challenge or a beginner wanting to take your off-road skills to the next level, the 2018 KTM 350 SX-F is a bike that won't disappoint. With its impressive performance and reliable construction, this motorcycle is sure to provide countless hours of exhilarating rides on any terrain.
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