2017 KTM 250 SX-F vs 2014 Yamaha YZ250

Full specifications comparison • 2 motorcycles

Comparing 2 motorcycles

Differences only

2017 KTM 250 SX-F

Cross / motocross

Engine

Single cylinder, four-stroke

Power

N/A

Top Speed

N/A

Weight

98.2 kg / 216.5 lbs

2014 Yamaha YZ250

Cross / motocross

Engine

Single cylinder, two-stroke

Power

N/A

Top Speed

74.6 mph

Weight

227.0 pounds

Full Specifications

Differs Same

General
Comments	-	4500 Ah Lithium Polymer battery. Range 75km. XOR is an abbreviation of Xtraordinary Object on Road. Foldable bike. French brand.
Colours	Orange/white/black	Team Yamaha Blue/White
Warranty	-	30 Day (Limited Factory Warranty)
Dimensions
Ground Clearance (mm)	370 mm	381 mm
Storage	-	Boot for integral helmet
Ground Clearance (in.)	14.6 inches	15.0 inches
Seat Height	960 mm / 37.8 in.	993 mm / 39.1 in.
Wheelbase	1,485 mm / 58.5 in.	1,481 mm / 58.3 in.
Height	-	1,306 mm / 51.4 in.
Length	-	2,177 mm / 85.7 in.
Width	-	828 mm / 32.6 in.
Weights & Capacities
Dry Weight	98.2 kg / 216.5 lbs	59 kg / 130.1 lbs
Fuel Capacity	7.00 litres / 1.85 gallons	7.95 litres / 2.10 gallons
Wet Weight	-	103.0 kg / 227.0 lbs
Performance
Maximum RPM	14000	-
Top Speed	-	120.0 km/h / 74.6 mph
Acceleration (0-100 km/h)	-	6.000 seconds
Power-to-Weight Ratio	-	0.1819 HP/kg
Engine
Engine Type	Single cylinder, four-stroke	Single cylinder, two-stroke
Displacement (cc)	249.91 cc	249.00 cc
Bore x Stroke (mm)	78.0 x 52.3 mm	66.4 x 72.0 mm
Bore x Stroke (in,)	3.1 x 2.1 inches	2.6 x 2.8 inches
Fuel Control	Double Overhead Cams/Twin Cam (DOHC)	-
Displacement (ci)	15.25 cubic inches	15.19 cubic inches
Engine Detail	-	Reed-valve inducted
Fuel System	-	Carburettor. Keihin PWK38S
Compression Ratio	-	8.9:1
Emissions	-	No direct emission
Exhaust	-	Repackable exhaust silencer
Ignition	Keihin EMS	CDI
Starter	Electric	Electric
Drivetrain
Clutch	Wet multi-disc clutch / hydraulically operated	No clutch
Final Drive	Chain	Chain
Gearbox	5-speed	5-speed
Primary Drive	13:48. Primary drive: 22:68.	-
Chassis
Frame Type	25CrMo4 steel central-tube frame	-
Suspension - Front	WP-USD, AER 48, ? 48 mm	Speed-Sensitive System inverted fork
Suspension - Rear	WP shock absorber with linkage	Fully adjustable single shock, 12.4-in travel
Rake	26.5°	28.0°
Seat	-	2 people seat
Wheel Travel - Front	300 mm / 11.8 in.	300 mm / 11.8 in.
Wheel Travel - Rear	300 mm / 11.8 in.	-
Electrical Systems
Instrumentation	-	Digital
Lighting system	-	LED lights
Wheels & Brakes
Brakes - Rear Diameter (mm)	220 mm	245 mm
Brakes - Front Diameter (in.)	10.2 inches	9.8 inches
Brakes - Front Diameter (mm)	260 mm	250 mm
Brakes - Rear Diameter (in.)	8.7 inches	9.6 inches
Brakes - Front	Single disc. Brake calipers on floating bearings	Single disc. Hydraulic disc.
Brakes - Rear	Single disc. Brake calipers on floating bearings	Single disc
Rims	CNC machined hubs. Excel rims. Wire spoked.	-
Tyres - Front	-	100/80-10
Tyres - Rear	-	110/90-19

Verdict

Winner on specs

2017 KTM 250 SX-F

The 2017 KTM 250 SX-F edges out the 2014 Yamaha YZ250 thanks to its lower seat height. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.

Key Differences

2017 KTM 250 SX-F - Advantages

Lower seat height: 960 mm vs 993 mm - accessible to a wider range of rider heights.

2014 Yamaha YZ250 - Advantages

Competitive all-round: The 2014 Yamaha YZ250 matches or exceeds its rival across all measured criteria.

2017 KTM 250 SX-F vs 2014 Yamaha YZ250 - FAQs

What are the engine differences between the 2017 KTM 250 SX-F and 2014 Yamaha YZ250?

The 2017 KTM 250 SX-F uses Single cylinder, four-stroke, while the 2014 Yamaha YZ250 is powered by Single cylinder, two-stroke. This is a fundamental difference - the 2017 KTM 250 SX-F is a four-stroke engine while the 2014 Yamaha YZ250 runs a two-stroke, resulting in very different power delivery, maintenance requirements, and riding character.

Which bike is better for shorter riders, the 2017 KTM 250 SX-F or the 2014 Yamaha YZ250?

The 2017 KTM 250 SX-F has the lower seat at 960 mm, making it more accessible. The 2014 Yamaha YZ250 sits higher at 993 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.

Which should I buy, the 2017 KTM 250 SX-F or the 2014 Yamaha YZ250?

Both are strong choices. The 2017 KTM 250 SX-F has the edge in lower seat height, while the 2014 Yamaha YZ250 offers a compelling alternative. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.

Related Comparisons

All KTM 250 SX-F years All Yamaha YZ250 years

Build your own comparison →