2023 KTM 125 SX vs 2022 Yamaha XTZ125
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Comments | - | Sold in Asia. |
| Colours | White/orange/grey | Power Black, Yamaha Blue |
| Dimensions |
| Ground Clearance (mm) | 359 mm | 260 mm |
| Ground Clearance (in.) | 14.1 inches | 10.2 inches |
| Seat Height | 958 mm / 37.7 in. | 840 mm / 33.1 in. |
| Wheelbase | - | 1300 mm / 51.2 in. |
| Height | - | 1115 mm / 43.9 in. |
| Length | - | 2090 mm / 82.3 in. |
| Width | - | 830 mm / 32.7 in. |
| Weights & Capacities |
| Oil Capacity (l) | - | 1.20 litres |
| Oil Capacity (Quarts) | - | 1.27 US quarts |
| Dry Weight | 92.4 kg / 203.7 lbs | - |
| Fuel Capacity | 7.20 litres / 1.90 US gallons | 11.00 litres / 2.91 US gallons |
| Wet Weight | - | 118.0 kg / 260.1 lbs |
| Performance |
| Max Torque | - | 9.9 Nm (1.0 kgf-m or 7.3 ft.lbs) @ 5500 Revolutions" |
| Power-to-Weight Ratio | 0.1623 HP/kg | - |
| Engine |
| Displacement (ci) | 7.62 cubic inches | 7.57 cubic inches |
| Displacement (cc) | 124.8 cc | 124.0 cc |
| Bore x Stroke (mm) | 54.0 x 54.5 mm | 54.0 x 54.0 mm |
| Bore x Stroke (in,) | 2.1 x 2.1 inches | 2.1 x 2.1 inches |
| Fuel Control | - | Single Overhead Cams (SOHC) |
| Engine Type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Stroke | 2-stroke | - |
| Fuel System | Injection | Carburettor |
| Compression Ratio | - | 10.0:1 |
| Engine Lubrication | Wet sump | Wet sump |
| Ignition | Vitesco Technologies EMS | CDI |
| Starter | Electric | Electric |
| Valve System | - | 2 |
| Drivetrain |
| Clutch | Wet multi-disc DS clutch, Brembo hydraulics | Wet, multiple-disc coil spring |
| Final Drive | Chain (final drive) | Chain (final drive) |
| Gearbox | 6-speed | 5-speed |
| Primary Drive | X-Ring 5/8 x 1/4´ chain | - |
| Chassis |
| Frame Type | Central double-cradle-type 25CrMo4 steel | Diamond |
| Suspension - Front | WP XACT-USD, Ø 48 mm | Telescopic forks |
| Suspension - Rear | WP XACT Monoshock with linkage | Swingarm |
| Rake | 26.1° | - |
| Seat | - | Dual seat and passenger grab rails |
| Wheel Travel - Front | 310 mm / 12.2 in. | 180 mm / 7.1 in. |
| Wheel Travel - Rear | 300 mm / 11.8 in. | 180 mm / 7.1 in. |
| Electrical Systems |
| Instrumentation | - | Analogue |
| Wheels & Brakes |
| Brakes - Front | Single disc | Single disc |
| Brakes - Rear | Single disc | Expanding brake (drum brake) |
| Tyres - Front | 1.6-21 | 80/90-21 |
Verdict
🏆
Winner on specs
2023 KTM 125 SX
The 2023 KTM 125 SX edges out the 2022 Yamaha XTZ125 thanks to its fuel injection, greater ground clearance, higher rear wheel travel and higher front wheel travel. Specifications are one part of the picture - dealer support, parts availability, and intended use all matter too.
Key Differences
2023 KTM 125 SX - Advantages
- 🔧Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
- 🏔️More ground clearance: 359 mm vs 260 mm - better clearance over rocks and obstacles.
- 🔄More rear wheel travel: 300 mm vs 180 mm - absorbs bigger hits and rough terrain better.
- 🔄More front wheel travel: 310 mm vs 180 mm - greater compliance over rough surfaces.
2022 Yamaha XTZ125 - Advantages
- 📏Lower seat height: 840 mm vs 958 mm - accessible to a wider range of rider heights.
2023 KTM 125 SX vs 2022 Yamaha XTZ125 - FAQs
What are the engine differences between the 2023 KTM 125 SX and 2022 Yamaha XTZ125?
The 2023 KTM 125 SX uses Single cylinder, two-stroke, while the 2022 Yamaha XTZ125 is powered by Single cylinder, four-stroke. This is a fundamental difference - the 2023 KTM 125 SX is a two-stroke engine while the 2022 Yamaha XTZ125 runs a four-stroke, resulting in very different power delivery, maintenance requirements, and riding character.
Which bike is better for shorter riders, the 2023 KTM 125 SX or the 2022 Yamaha XTZ125?
The 2022 Yamaha XTZ125 has the lower seat at 840 mm, making it more accessible. The 2023 KTM 125 SX sits higher at 958 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2023 KTM 125 SX or the 2022 Yamaha XTZ125?
Both are strong choices. The 2023 KTM 125 SX has the edge in fuel injection and greater ground clearance, while the 2022 Yamaha XTZ125 stands out for lower seat height. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.