2020 Yamaha YZ125 vs 2021 Honda CRF125F
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Comments | - | Model ID: CRF125F. |
| Colours | Team Yamaha Blue | Red |
| Warranty | 30 Day Limited Factory Warranty | Six Months transferable limited warranty |
| Dimensions |
| Ground Clearance (mm) | 366 mm | 211 mm |
| Ground Clearance (in.) | 14.4 inches | 8.3 inches |
| Seat Height | 975 mm / 38.4 in. | 739 mm / 29.1 in. |
| Wheelbase | 1443 mm / 56.8 in. | 1219 mm / 48.0 in. |
| Height | 1295 mm / 51.0 in. | 1010 mm / 39.8 in. |
| Length | 2136 mm / 84.1 in. | 1770 mm / 69.7 in. |
| Width | 828 mm / 32.6 in. | 740 mm / 29.1 in. |
| Weights & Capacities |
| Oil Capacity (Quarts) | 0.74 US quarts | - |
| Oil Capacity (l) | 0.70 litres | - |
| Fuel Capacity | 8.00 litres / 2.11 US gallons | 3.79 litres / 1.00 US gallons |
| Wet Weight | 93.9 kg / 207.0 lbs | 88.0 kg / 194.0 lbs |
| Performance |
| Max Torque | - | 10.2 Nm (1.0 kgf-m or 7.5 ft.lbs) @ 4500 Revolutions" |
| Engine |
| Bore x Stroke (in,) | 2.1 x 2.1 inches | 2.1 x 2.3 inches |
| Bore x Stroke (mm) | 54.0 x 54.5 mm | 52.4 x 57.9 mm |
| Displacement (cc) | 125.0 cc | 124.9 cc |
| Displacement (ci) | 7.63 cubic inches | 7.62 cubic inches |
| Fuel Control | - | Single Overhead Cams (SOHC) |
| Engine Type | Single cylinder, two-stroke | Single cylinder, four-stroke |
| Engine Detail | Reed-valve-inducted | - |
| Fuel System | Carburettor. Mikuni TMX 38 | Injection. 22mm throttle bore |
| Compression Ratio | 10.7:1 | 9.0:1 |
| Emissions | - | Meets current California Air Resource Board (CARB) and EPA off-road emissions standards. |
| Engine Lubrication | Premix | - |
| Ignition | CDI | Full Transistorized |
| Starter | Kick | Electric |
| Valve System | - | 2 |
| Drivetrain |
| Clutch | Multiplate wet clutch | - |
| Final Drive | Chain (final drive) | Chain (final drive) |
| Gearbox | 6-speed | 4-speed |
| Primary Drive | - | Chain 13T/49T |
| Chassis |
| Frame Type | Semi-double cradle aluminium frame | Diamond, steel |
| Suspension - Front | KYB® Speed-Sensitive System inverted fork; fully adjustable | 31mm telescopic fork |
| Suspension - Rear | KYB® single shock; fully adjustable | Pro-Link single-shock |
| Rake | 26.0° | 27.3° |
| Trail | 109 mm / 4.3 in. | 81 mm / 3.2 in. |
| Wheel Travel - Front | 300 mm / 11.8 in. | 132 mm / 5.2 in. |
| Wheel Travel - Rear | 315 mm / 12.4 in. | 140 mm / 5.5 in. |
| Wheels & Brakes |
| Brakes - Front | Single disc. Hydraulic. | Single disc. Hydraulic. |
| Brakes - Rear | Single disc. Hydraulic. | Expanding brake (drum brake) |
| Rims | Dunlop® MX52 | - |
| Tyres - Front | 80/100-21 | 70/100-17 |
Verdict
🏆
Winner on specs
2020 Yamaha YZ125
The 2020 Yamaha YZ125 edges out the 2021 Honda CRF125F thanks to its 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
2020 Yamaha YZ125 - Advantages
- 🏔️More ground clearance: 366 mm vs 211 mm - better clearance over rocks and obstacles.
- 🔄More rear wheel travel: 315 mm vs 140 mm - absorbs bigger hits and rough terrain better.
- 🔄More front wheel travel: 300 mm vs 132 mm - greater compliance over rough surfaces.
2021 Honda CRF125F - Advantages
- 📏Lower seat height: 739 mm vs 975 mm - accessible to a wider range of rider heights.
- 🔧Fuel injection: Precise fuelling, better cold-start reliability, and lower maintenance requirements.
2020 Yamaha YZ125 vs 2021 Honda CRF125F - FAQs
What are the engine differences between the 2020 Yamaha YZ125 and 2021 Honda CRF125F?
The 2020 Yamaha YZ125 uses Single cylinder, two-stroke, while the 2021 Honda CRF125F is powered by Single cylinder, four-stroke. This is a fundamental difference - the 2020 Yamaha YZ125 is a two-stroke engine while the 2021 Honda CRF125F runs a four-stroke, resulting in very different power delivery, maintenance requirements, and riding character.
Which bike is better for shorter riders, the 2020 Yamaha YZ125 or the 2021 Honda CRF125F?
The 2021 Honda CRF125F has the lower seat at 739 mm, making it more accessible. The 2020 Yamaha YZ125 sits higher at 975 mm. A seat height below 800 mm suits most riders; above 820 mm shorter riders may need to tiptoe.
Which should I buy, the 2020 Yamaha YZ125 or the 2021 Honda CRF125F?
Both are strong choices. The 2020 Yamaha YZ125 has the edge in greater ground clearance and higher rear wheel travel, while the 2021 Honda CRF125F stands out for lower seat height and fuel injection. Visit dealers, arrange test rides, and factor in local parts and service costs - these often matter as much as the spec sheet.