2017 KTM 250 EXC-F vs 2019 Yamaha YZ250X
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Year | 2017 | - |
| Colours | - | Team Yamaha Blue |
| Make Model | KTM 250 EXC-F | - |
| Warranty | - | 30 Day Limited Factory Warranty |
| Dimensions |
| Ground Clearance (mm) | - | 361 mm |
| Ground Clearance (in.) | - | 14.2 inches |
| Seat Height | 960 mm / 37.8 in | 970 mm / 38.2 in. |
| Wheelbase | 1482 mm / 58.3 in | 1486 mm / 58.5 in. |
| Ground Clearance | 355 mm / 14 in | - |
| Height | - | 1290 mm / 50.8 in. |
| Length | - | 2184 mm / 86.0 in. |
| Width | - | 826 mm / 32.5 in. |
| Weights & Capacities |
| Dry Weight | 103kg / 227.1 lbs | - |
| Fuel Capacity | 8.5 Litres / 2.25 US gal | 7.95 litres / 2.10 US gallons |
| Wet Weight | - | 103.9 kg / 229.0 lbs |
| Engine |
| Engine Type | - | Single cylinder, two-stroke |
| Bore x Stroke (in,) | - | 2.6 x 2.8 inches |
| Bore x Stroke (mm) | - | 66.4 x 72.0 mm |
| Displacement (cc) | - | 249.0 cc |
| Displacement (ci) | - | 15.19 cubic inches |
| Displacement | 249 cc / 15.2 cu-in | - |
| Engine Detail | Four stroke, single cylinder, DOHC with finger followers, 4 valves | Reed-valve inducted |
| Fuel System | - | Injection. Keihin® PWK38S |
| Bore x Stroke | 78 x 52.3 mm | - |
| Compression Ratio | 13.2:1 | 9.4:1 |
| Cooling System | Liquid cooled | - |
| Fuel Induction | Fuel Injection | - |
| Ignition | Keihin EMS | CDI |
| Lubrication | Forced oil lubrication with 2 Eaton pumps | - |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet, DDS multi-disc clutch, Brembo hydraulics | Wet multi-disc |
| Final Drive | Chain, 5/8 x 1/4 in | Chain (final drive) |
| Final Drive Ratio | 14:49 | - |
| Gearbox | - | 5-speed |
| Primary Drive | - | O-ring chain |
| Primary Drive Ratios | 24:73 | - |
| Transmission / Drive | 6 Speed | - |
| Chassis |
| Frame Type | Central tube frame made of chrome molybdenum steel tubing | - |
| Suspension - Front | 48mm WP-USD Xplor with preload adjuster | KYB® Speed-Sensitive System inverted fork; fully adjustable |
| Suspension - Rear | WP Xplor PDS shock absorber | KYB® single shock; fully adjustable |
| Rake | 26.5° | 27.7° |
| Steering Head Angle | 63.5° | - |
| Trail | - | 122 mm / 4.8 in. |
| Wheel Travel - Front | 300 mm / 11.8 in | 300 mm / 11.8 in. |
| Wheel Travel - Rear | 310 mm / 12.2 in | 315 mm / 12.4 in. |
| Wheels & Brakes |
| Brakes - Front | Single 260 mm disc, 2 piston caliper | Single disc. Hydraulic. |
| Brakes - Rear | Single 220 mm disc, 1 piston caliper | Single disc. Hydraulic. |
| Rims | - | Dunlop® AT81F tyres |
| Tyres - Front | 90/90 - 21 M/C 54M M+S TT | 90/90-21 |
| Tyres - Rear | 120/80 - 18 M/C 65M M+S TT | - |
Verdict
🏆
Winner on specs
2017 KTM 250 EXC-F
The 2017 KTM 250 EXC-F edges out the 2019 Yamaha YZ250X thanks to its liquid cooling. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.
Key Differences
2017 KTM 250 EXC-F - Advantages
- 🌡️Liquid cooling: Consistent engine temperature in stop-start traffic and hot climates.
2019 Yamaha YZ250X - Advantages
- ✓Competitive all-round: The 2019 Yamaha YZ250X matches or exceeds its rival across all measured criteria.
2017 KTM 250 EXC-F vs 2019 Yamaha YZ250X - FAQs
What are the engine differences between the 2017 KTM 250 EXC-F and 2019 Yamaha YZ250X?
The 2017 KTM 250 EXC-F uses Four stroke, single cylinder, DOHC with finger followers, 4 valves, while the 2019 Yamaha YZ250X is powered by Single cylinder, two-stroke. This is a fundamental difference - the 2017 KTM 250 EXC-F is a four-stroke engine while the 2019 Yamaha YZ250X runs a two-stroke, resulting in very different power delivery, maintenance requirements, and riding character.
Which should I buy, the 2017 KTM 250 EXC-F or the 2019 Yamaha YZ250X?
Both are strong choices. The 2017 KTM 250 EXC-F has the edge in liquid cooling, while the 2019 Yamaha YZ250X 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.