| General |
| Year | 2006 | 2026 |
| Make Model | Yamaha YZF 600 R6 | KTM 990 RC-R |
| Dimensions |
| Seat Height | - | 845 mm / 33.3 in |
| Wheelbase | 1380 mm / 53.4 in | 1481 mm / 58.3 in |
| Ground Clearance | 130 mm / 5.1 in | 163 mm / 6.4 in |
| Height | 1090 mm / 42.9 in | - |
| Length | 2040 mm / 80.3 in | - |
| Width | 700 mm / 27.6 in | - |
| Weights & Capacities |
| Dry Weight (kg) | 162 | - |
| Wet Weight (kg) | - | 195 |
| Dry Weight | 162 kg / 357 lbs (single seat 161 kg) | - |
| Fuel Capacity | 17 Litres / 4.5 gal | 15.7 litres / 4.1 US gal |
| Wet Weight | - | 195 kg 430 lbs |
| Performance |
| Top Speed | 255.1 km/h | - |
| Max Power | 125.3 hp / 93.4 kW @ @14500 rpm | 128.2 hp / 94.3 kW @ 9500 rpm |
| Max Torque | 59.4 Nm / 43.8 lb-ft @ 11500 rpm | 103 Nm / 75.9 lb-ft @ 6750 rpm |
| Standing Start ¼ Mile | 11.1 sec | - |
| Engine |
| Displacement | 599 cc / 36.5 cu-in | 947 cc / 57.8 cu-in |
| Engine Detail | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder |
| Bore x Stroke | 67 x 42.5 mm | 92.5 x 70.4 mm |
| Compression Ratio | 12.8:1 | 13.5:1 |
| Cooling System | Liquid cooled | Liquid cooled with water/oil heat exchanger |
| Emissions | - | EURO 5+ |
| Engine Management | - | Bosch EMS with RBW |
| Fuel Induction | Fuel injection with YCCT (Yamaha Chip Controlled Throttle) | 46mm DKK Dellorto throttle body |
| Ignition | TCI (Transistor Controlled Ignition) | - |
| Lubrication | Wet sump | Forced oil lubrication with 2 oil pumps |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Back torque-limiting slipper clutch | PASC slipper clutch, cable operated |
| Final Drive | O-ring Chain | Chain 520 X-ring, 16:43 |
| Primary Drive | - | 42:76 |
| Transmission / Drive | 6 Speed | 6-Speed |
| Chassis |
| Frame Type | Deltabox aluminium frame with revised rigidity balance | Chromium-Molybdenum-Steel frame using the engine as stressed element, powder coated |
| Suspension - Front | 41 mm inverted telescopic fork w/adjustable preload, separate high & low-speed compression damping, rebound damping | WP APEX 48, open cartridge, compression & rebound (30 Clicks), preload (3 clicks) |
| Suspension - Rear | Fully adjustable rear shock absorber with 2-way compression damping | WP APEX - Monoshock, compression high-speed (3 turns) low-speed (30 clicks), rebound (30 clicks), preload (10 turns) |
| Trail | 850 mm / 33.5 in | - |
| Wheel Travel - Front | 120 mm / 4.7 in | 147 mm / 5.8 in |
| Wheel Travel - Rear | 120 mm / 4.7 in | 134 mm / 5.3 in |
| Wheels & Brakes |
| Brakes - Front | 2x 310mm floating discs | 2 x 320mm discs, radially mounted 4 piston caliper |
| Brakes - Rear | Single 220mm disc | Single 240 mm disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 120/70 ZR17 | 120/70-ZR 17 |
| Tyres - Rear | 180/55 ZR17 | 180/55-ZR 17 |
| Wheels | - | Cast aluminium |
| Wheels - Front | - | 3.5 x 17 |
| Wheels - Rear | - | 5.5 x 17 |