| General |
| Colours | Team Yamaha Blue/White | Orange/white/black |
| Warranty | 30 Day (Limited Factory Warranty) | - |
| Dimensions |
| Width (mm) | 828 mm | - |
| Width (in.) | 32.6 inches | - |
| Wheelbase (mm) | 1,481 mm | 1,137 mm |
| Wheelbase (in.) | 58.3 inches | 44.8 inches |
| Ground Clearance (in.) | 15.0 inches | 11.0 inches |
| Ground Clearance (mm) | 381 mm | 280 mm |
| Height (in.) | 51.4 inches | - |
| Height (mm) | 1,306 mm | - |
| Length (in.) | 85.7 inches | - |
| Length (mm) | 2,177 mm | - |
| Seat Height (in.) | 39.1 inches | 29.5 inches |
| Seat Height (mm) | 993 mm | 750 mm |
| Weights & Capacities |
| Fuel Capacity (l) | 7.95 litres | 3.50 litres |
| Fuel Capacity (gal.) | 2.10 gallons | 0.92 gallons |
| Wet Weight (lbs.) | 227.0 pounds | - |
| Dry Weight (lbs.) | - | 116.8 pounds |
| Wet Weight (kg) | 103.0 kg | - |
| Dry Weight (kg) | - | 53 |
| Engine |
| Bore x Stroke (in,) | 2.6 x 2.8 inches | 1.8 x 1.6 inches |
| Bore x Stroke (mm) | 66.4 x 72.0 mm | 45.0 x 40.8 mm |
| Displacement (cc) | 249.00 cc | 64.85 cc |
| Displacement (ci) | 15.19 cubic inches | 3.96 cubic inches |
| Engine Type | Single cylinder, two-stroke | Single cylinder, two-stroke |
| Fuel Control | DOHC | - |
| Engine Detail | - | Reed intake. |
| Fuel System | Carburettor. Keihin PWK38S | Carburettor. Mikuni TMX |
| Compression Ratio | 8.9:1 | - |
| Engine Lubrication | Dry sump | Mixture oil lubrication |
| Ignition | CDI | AET digital EMS |
| Starter | Electric | Kick |
| Drivetrain |
| Clutch | - | Wet, multi-disc clutch, Formula hydraulics |
| Final Drive | Chain | Chain |
| Gearbox | 5-speed | 6-speed |
| Primary Drive | 2WD; Sealed O-Ring Chain, Eccentric Adjustment | 14:48. Primary drive: 23:75 straight cut spur gear. |
| Chassis |
| Wheel Travel - Front (mm) | 300 mm | 215 mm |
| Wheel Travel - Front (in.) | 11.8 inches | 8.5 inches |
| Wheel Travel - Rear (mm) | - | 270 mm |
| Wheel Travel - Rear (in.) | - | 10.6 inches |
| Frame Type | Aluminium | Central-tube frame with double-cradle |
| Suspension - Front | Speed-Sensitive System inverted fork | WP upside-down ? 35 mm |
| Suspension - Rear | Fully adjustable single shock, 12.4-in travel | WP shock absorber |
| Rake | - | 25.5° |
| Electrical Systems |
| Lighting system | Dual 30W Krypton multireflector Headlights and 3.9/0.5W LED Brake light | - |
| Wheels & Brakes |
| Brakes - Front Diameter (in.) | 9.8 inches | 7.8 inches |
| Brakes - Front Diameter (mm) | 250 mm | 198 mm |
| Brakes - Rear Diameter (in.) | 9.6 inches | 6.3 inches |
| Brakes - Rear Diameter (mm) | 245 mm | 160 mm |
| Brakes - Front | Single disc | Single disc. Four-piston calipers. Wave brake discs. |
| Brakes - Rear | Single disc | Single disc. Two-piston calipers. Wave brake discs. |
| Rims | - | Black anodized, aluminum rims |
| Tyres - Front | 21/7-10 | - |
| Tyres - Rear | 20/10-9 | - |