2019 KTM 50 SX Mini vs 2023 Yamaha YZ250
Full specifications comparison •
2 motorcycles
Full Specifications
Differs
Same
| General |
| Comments | The engine power can be restricted to 5.5 hp with a kit. | - |
| Colours | Orange/white/black | Team Yamaha Blue |
| Warranty | - | 30 Day Limited Factory Warranty |
| Dimensions |
| Length (mm) | - | 2184 mm |
| Width (in.) | - | 32.5 inches |
| Width (mm) | - | 826 mm |
| Height (in.) | - | 50.8 inches |
| Length (in.) | - | 86.0 inches |
| Height (mm) | - | 1290 mm |
| Ground Clearance (in.) | 9.9 inches | 14.2 inches |
| Ground Clearance (mm) | 252 mm | 361 mm |
| Seat Height (in.) | 26.9 inches | 38.4 inches |
| Seat Height (mm) | 684 mm | 975 mm |
| Wheelbase (in.) | 40.6 inches | 58.3 inches |
| Wheelbase (mm) | 1032 mm | 1481 mm |
| Seat Height | 684 mm / 26.9 in. | 975 mm / 38.4 in. |
| Wheelbase | 1032 mm / 40.6 in. | 1481 mm / 58.3 in. |
| Height | - | 1290 mm / 50.8 in. |
| Length | - | 2184 mm / 86.0 in. |
| Width | - | 826 mm / 32.5 in. |
| Weights & Capacities |
| Wet Weight (kg) | - | 103.0 kg |
| Oil Capacity (Quarts) | - | 0.85 US quarts |
| Oil Capacity (l) | - | 0.80 litres |
| Fuel Capacity (l) | 2.10 litres | 8.00 litres |
| Dry Weight (kg) | 40 | - |
| Fuel Capacity (gal.) | 0.55 US gallons | 2.11 US gallons |
| Dry Weight (lbs.) | 88.2 pounds | - |
| Wet Weight (lbs.) | - | 227.0 pounds |
| Dry Weight | 40 kg / 88.2 lbs | - |
| Fuel Capacity | 2.10 litres / 0.55 US gallons | 8.00 litres / 2.11 US gallons |
| Wet Weight | - | 103.0 kg / 227.0 lbs |
| Engine |
| Bore x Stroke (in,) | 1.6 x 1.6 inches | 2.6 x 2.8 inches |
| Engine Type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Displacement (ci) | 2.99 cubic inches | 15.19 cubic inches |
| Displacement (cc) | 49.0 cc | 249.0 cc |
| Bore x Stroke (mm) | 39.5 x 40.0 mm | 66.4 x 72.0 mm |
| Engine Detail | Reed intake | Reed-valve inducted |
| Fuel System | Carburettor. Mikuni TMX | Carburettor. Hitachi Astemo® Keihin PWK38S |
| Compression Ratio | - | 10.6:1 |
| Engine Lubrication | Mixture oil lubrication | Premix |
| Ignition | Seletra 2p D36 | CDI |
| Starter | Kick | Electric |
| Drivetrain |
| Clutch | Centrifugal clutch | - |
| Final Drive | Chain (final drive) | Chain (final drive) |
| Gearbox | 1-speed | 5-speed |
| Primary Drive | - | Constant-mesh |
| Chassis |
| Trail (in.) | - | 4.8 inches |
| Trail (mm) | - | 122 mm |
| Wheel Travel - Rear (in.) | 5.8 inches | 12.4 inches |
| Wheel Travel - Rear (mm) | 147 mm | 315 mm |
| Wheel Travel - Front (mm) | 100 mm | 300 mm |
| Wheel Travel - Front (in.) | 3.9 inches | 11.8 inches |
| Frame Type | Chrome-molybdenum steel central-tube frame | Semi-double cradle, aluminium |
| Suspension - Front | WP upside-down Ø 35 mm | KYB® Speed-Sensitive System inverted fork; fully adjustable |
| Suspension - Rear | WP shock absorber | KYB® single shock; fully adjustable |
| Rake | 24.0° | 27.7° |
| Trail | - | 122 mm / 4.8 in. |
| Wheel Travel - Front | 100 mm / 3.9 in. | 300 mm / 11.8 in. |
| Wheel Travel - Rear | 147 mm / 5.8 in. | 315 mm / 12.4 in. |
| Wheels & Brakes |
| Brakes - Front | Single disc. Four-piston calipers. | Single disc |
| Brakes - Rear | Single disc. Two-piston calipers. | Single disc |
| Rims | Wire spoked | Dunlop® Geomax MX33 tyres |
| Tyres - Front | - | 80/100-21 |