| General |
| Colours | Orange/white/black | Team Yamaha Blue |
| Warranty | - | 30 Day Limited Factory Warranty |
| Dimensions |
| Wheelbase (in.) | 44.8 inches | 56.8 inches |
| Seat Height (mm) | 750 mm | 975 mm |
| Seat Height (in.) | 29.5 inches | 38.4 inches |
| Ground Clearance (mm) | 280 mm | 366 mm |
| Ground Clearance (in.) | 11.0 inches | 14.4 inches |
| Height (in.) | - | 51.0 inches |
| Height (mm) | - | 1295 mm |
| Length (in.) | - | 84.1 inches |
| Length (mm) | - | 2136 mm |
| Width (in.) | - | 32.6 inches |
| Wheelbase (mm) | 1,137 mm | 1443 mm |
| Width (mm) | - | 828 mm |
| Weights & Capacities |
| Oil Capacity (l) | - | 0.70 litres |
| Wet Weight (lbs.) | - | 207.0 pounds |
| Wet Weight (kg) | - | 93.9 kg |
| Oil Capacity (Quarts) | - | 0.74 US quarts |
| Dry Weight (kg) | 53 | - |
| Dry Weight (lbs.) | 116.8 pounds | - |
| Fuel Capacity (gal.) | 0.92 gallons | 2.11 US gallons |
| Fuel Capacity (l) | 3.50 litres | 8.00 litres |
| Engine |
| Displacement (ci) | 3.96 cubic inches | 7.63 cubic inches |
| Engine Type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Bore x Stroke (mm) | 45.0 x 40.8 mm | 54.0 x 54.5 mm |
| Bore x Stroke (in,) | 1.8 x 1.6 inches | 2.1 x 2.1 inches |
| Displacement (cc) | 64.85 cc | 125.0 cc |
| Engine Detail | Reed intake. | Reed-valve-inducted |
| Fuel System | Carburettor. Mikuni TMX | Carburettor. Mikuni TMX 38 |
| Compression Ratio | - | 10.7:1 |
| Engine Lubrication | Mixture oil lubrication | Premix |
| Ignition | AET digital EMS | CDI |
| Starter | Kick | Kick |
| Drivetrain |
| Clutch | Wet, multi-disc clutch, Formula hydraulics | Multiplate wet clutch |
| Final Drive | Chain | Chain (final drive) |
| Gearbox | 6-speed | 6-speed |
| Primary Drive | 14:48. Primary drive: 23:75 straight cut spur gear. | - |
| Chassis |
| Trail (in.) | - | 4.3 inches |
| Wheel Travel - Rear (in.) | 10.6 inches | 12.4 inches |
| Wheel Travel - Rear (mm) | 270 mm | 315 mm |
| Trail (mm) | - | 109 mm |
| Wheel Travel - Front (mm) | 215 mm | 300 mm |
| Wheel Travel - Front (in.) | 8.5 inches | 11.8 inches |
| Frame Type | Central-tube frame with double-cradle | Semi-double cradle aluminium frame |
| Suspension - Front | WP upside-down ? 35 mm | KYB® Speed-Sensitive System inverted fork; fully adjustable |
| Suspension - Rear | WP shock absorber | KYB® single shock; fully adjustable |
| Rake | 25.5° | 26.0° |
| Wheels & Brakes |
| Brakes - Front Diameter (in.) | 7.8 inches | - |
| Brakes - Front Diameter (mm) | 198 mm | - |
| Brakes - Rear Diameter (in.) | 6.3 inches | - |
| Brakes - Rear Diameter (mm) | 160 mm | - |
| Brakes - Front | Single disc. Four-piston calipers. Wave brake discs. | Single disc. Hydraulic. |
| Brakes - Rear | Single disc. Two-piston calipers. Wave brake discs. | Single disc. Hydraulic. |
| Rims | Black anodized, aluminum rims | Dunlop® MX52 |
| Tyres - Front | - | 80/100-21 |