KTM 350 SX-F - 2018 Specifications and Reviews

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.

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General information

CategoryCross / motocross
Year2018
ModelKTM 350 SX-F
 
 

Engine and Transmission Specifications

Driveline5/8 x 1/4
Transmission type,final driveChain
Gearbox5-speed
Cooling systemLiquid
IgnitionKeihin EMS
Fuel controlDouble Overhead Cams/Twin Cam (DOHC)
Fuel systemInjection
Bore x Stroke88.0 x 57.5 mm (3.5 x 2.3 inches)
Compression14.0:1
Engine detailsBalancer shaft
Engine typeSingle cylinder, four-stroke
Capacity:349.70 ccm (21.34 cubic inches)

Brakes, suspension, Frame and wheels

WheelsCNC machined hubs. Excel rims. Wire spoked.
Rear brakes diameter220 mm (8.7 inches)
Rear brakesSingle disc
Front brakes diameter260 mm (10.2 inches)
Front brakesSingle disc
Rear wheel travel300 mm (11.8 inches)
Rear SuspensionWP shock absorber with linkage
Front wheel travel300 mm (11.8 inches)
Front SuspensionWP-USD, AER 48, Ø 48 mm
Rake (fork angle)26.5°
Frame type25CrMo4 steel central-tube

Physical measures and capacities

Fuel capacity7.00 litres (1.85 gallons)
Wheelbase1,485 mm (58.5 inches)
Ground clearance370 mm (14.6 inches)
Seat height960 mm (37.8 inches) If adjustable, lowest setting.
Dry weight99.8 kg (220.0 pounds)
 
 

Other specs

MaintenanceFind parts, fluids, filters, maintenance tools and service items on eBay
StarterElectric
Color optionsOrange/white/black

Performance Profile & Rider Fit

Best For

Track70%
City10%
Cornering90%
Daily Riding10%
Touring10%
Passenger5%

Rider Profile

Best ForThis is a competition-grade motocross machine best suited to intermediate through expert off-road riders comfortable with a tall, aggressive, race-ready motorcycle.
PurposeBuilt purely for motocross and off-road competition, excelling at jumps, berms, and technical terrain rather than any road use.
Rider FitThe tall 958 mm seat height, firm suspension, and light but demanding standing-riding ergonomics call for good fitness, leg length, and core strength.
CharacterA 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 ForThis is not a fit for commuters, touring riders, passengers, or anyone seeking a comfortable, road-legal, low-maintenance motorcycle.

Character map is an editorial estimate based on this bike's specifications, not a lab-tested measurement.

Rider Fit Visualizer

2018 KTM 350 SX-F Rider Ergonomics Assessment

Calculated in your browser only - your height/inseam are never sent to our servers.

Feet:

At 960mm, a rider of 175cm with a 79cm (estimated) inseam will reach the ground with cannot reach comfortably on the 2018 KTM 350 SX-F, with a cramped knee angle of around 85 degrees and an upright riding position.

Data quality: measured. Assumes about 30mm of suspension sag once seated (a typical street-bike rule of thumb - stiffer or softer suspension will vary). This is an approximation from category-typical geometry and generic body proportions, not a measurement of this specific bike or you - sit on it before you buy.

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Rider Reviews

Total comments: 1
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MotorcycleDB Review

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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