2022 Yamaha YZ125 vs 2019 KTM 125 SX
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Colours | Team Yamaha Blue | Orange/white/black |
| Warranty | 30 Day Limited Factory Warranty | - |
| Dimensions |
| Ground Clearance (mm) | 366 mm | 375 mm |
| Ground Clearance (in.) | 14.4 inches | 14.8 inches |
| Seat Height | 39 mm / 1.5 in. | 950 mm / 37.4 in. |
| Wheelbase | 1445 mm / 56.9 in. | 1485 mm / 58.5 in. |
| Height | 1295 mm / 51.0 in. | - |
| Length | 2136 mm / 84.1 in. | - |
| Width | 826 mm / 32.5 in. | - |
| Weights & Capacities |
| Oil Capacity (Quarts) | 0.74 US quarts | - |
| Oil Capacity (l) | 0.70 litres | - |
| Dry Weight | - | 87.5 kg / 192.9 lbs |
| Fuel Capacity | 6.81 litres / 1.80 US gallons | 7.50 litres / 1.98 US gallons |
| Wet Weight | 94.8 kg / 209.0 lbs | - |
| Performance |
| Mods from previous model | Redesigned engine. | - |
| Engine |
| Bore x Stroke (in,) | 2.1 x 2.1 inches | 2.1 x 2.1 inches |
| Bore x Stroke (mm) | 54.0 x 54.5 mm | 54.0 x 54.5 mm |
| Displacement (cc) | 125.0 cc | 124.8 cc |
| Displacement (ci) | 7.63 cubic inches | 7.62 cubic inches |
| Engine Type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Engine Detail | Reed-valve-inducted | Reed intake. |
| Fuel System | Carburettor. Keihin PWK38S | Carburettor. Mikuni TMX |
| Compression Ratio | 10.7:1 | - |
| Engine Lubrication | Premix | - |
| Ignition | Digital CDI | Kokusan EMS |
| Spark Plug | NGK BR9EVX, NGK BR9EIX | - |
| Starter | Kick | Kick |
| Drivetrain |
| Clutch | Multiplate wet clutch | Wet multi-disc clutch, hydraulically actuated |
| Final Drive | Chain (final drive) | Chain (final drive) |
| Gearbox | 6-speed | 6-speed |
| Primary Drive | Constant-mesh | 13:50. Primary drive: 23:73. |
| Chassis |
| Fork Tube Size (mm) | 48 mm | - |
| Fork Tube Size (in.) | 1.9 inches | - |
| Frame Type | Aluminum semi-double cradle | Chrome-molybdenum steel central-tube frame |
| Suspension - Front | KYB® Speed-Sensitive System inverted fork; fully adjustable | WP-USD, AER 48, Ø 48 mm |
| Suspension - Rear | KYB® single shock; fully adjustable | WP shock absorber with linkage |
| Rake | 26.0° | 26.1° |
| Trail | 109 mm / 4.3 in. | - |
| Wheel Travel - Front | 300 mm / 11.8 in. | 310 mm / 12.2 in. |
| Wheel Travel - Rear | 315 mm / 12.4 in. | 300 mm / 11.8 in. |
| Wheels & Brakes |
| Brakes - Front | Single disc. Hydraulic. | Single disc. Brake calipers on floating bearings |
| Brakes - Rear | Single disc. Hydraulic. | Single disc. Brake calipers on floating bearings |
| Rims | - | CNC machined hubs. Excel rims. Wire spoked. |
| Tyre Pressure - Front | 15 PSI (1 Bar or 100 kPa) | - |
| Tyre Pressure - Rear | 15 PSI (1 Bar or 100 kPa) | - |
| Tyres - Front | 80/100-21 | - |
Verdict
🏆
Winner on specs
2022 Yamaha YZ125
The 2022 Yamaha YZ125 edges out the 2019 KTM 125 SX 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
2022 Yamaha YZ125 - Advantages
- 📏Lower seat height: 39 mm vs 950 mm - accessible to a wider range of rider heights.
2019 KTM 125 SX - Advantages
- ✓Competitive all-round: The 2019 KTM 125 SX matches or exceeds its rival across all measured criteria.
2022 Yamaha YZ125 vs 2019 KTM 125 SX - FAQs
Which bike is better for shorter riders, the 2022 Yamaha YZ125 or the 2019 KTM 125 SX?
The 2022 Yamaha YZ125 has the lower seat at 39 mm, making it more accessible. The 2019 KTM 125 SX sits higher at 950 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2022 Yamaha YZ125 or the 2019 KTM 125 SX?
Both are strong choices. The 2022 Yamaha YZ125 has the edge in lower seat height, while the 2019 KTM 125 SX 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.