| General |
| Year | 2009 | 2025 |
| Make Model | Triumph Street Triple 675 | Yamaha YZF-R9 |
| Dimensions |
| Seat Height | 800 mm / 31.5 in | 831 mm / 32.5 in |
| Wheelbase | 1410 mm / 55.5in | 1420 mm / 55.9 in |
| Ground Clearance | - | 140 mm / 5.5 in |
| Height | (without mirrors) 1060 mm / 41.7 in | 1181 mm / 46.5.in |
| Length | 2055 mm / 80.8 in | 1181 mm / 46.5.in |
| Width | (handlebars) 740 mm / 29.1 in | 706 mm / 27.8 in |
| Weights & Capacities |
| Wet Weight (kg) | 182 | 195 |
| Dry Weight (kg) | 167 | - |
| Dry Weight | 167 kg / 368 lbs | - |
| Fuel Capacity | 17.4 Litres / 4.6 US gal / 3.8 Imp gal | 14 Litres / 3.7 US gal |
| Oil Capacity | 3.4 Litres / 3.6 US qt / 3.0 Imp qt | - |
| Wet Weight | 182 kg / 400 lbs | 195 kg / 430 lbs |
| Performance |
| Top Speed | 223 km/h / 139 mph | - |
| Max Power | 78 kW / 105 hp @ 11850rpm | 117.4 hp / 119PS / 87.5 kW @ 10000 rpm |
| Max Torque | 68 Nm / 6.9 kgf-m / 50ft.lbs @ 9750rpm | 93 Nm / 68.6lb-ft @ 7000 rpm |
| Standing Start ¼ Mile | 11.6 sec | - |
| Engine |
| Displacement | 675 cc / 41.19 cu-in | 889 cc / 54.2 cu-in |
| Engine Detail | Four stroke, in-line 3-cylinder, DOHC, 12 valve | Four stroke, transverse triple cylinder, DOHC, 4 valves per cylinder |
| Bore x Stroke | 74 x 52.3 mm | 78 x 62.1 mm |
| Compression Ratio | 12.65:1 | 11.5:1 |
| Cooling System | Liquid-cooled | Liquid cooled |
| Exhaust | Stainless steel 3 into 1 exhaust system low single sided stainless steel silencer | - |
| Fuel Consumption | 5.1 L/100 km / 19.8 km/l / 46.6 US mpg / 55.9 Imp mpg | - |
| Fuel Induction | Multipoint sequential electronic fuel injection with forced air induction | Fuel injection with YCC-T |
| Ignition | Digital - inductive type | TCI: Transistor Controlled Ignition |
| Lubrication | - | Wet sump |
| Starter | Electric | Electric |
| Drivetrain |
| Clutch | Wet multiplate | Multiplate assist and slipper clutch |
| Final Drive | O ring chain | O-ring chain |
| Primary Drive Ratios | - | 1.681 (79/47) |
| Transmission / Drive | 6 Speed | Constant mesh 6-speed transmission |
| Chassis |
| Frame Type | Aluminium beam twin spar | Aluminium Deltabox |
| Suspension - Front | 41mm Kayaba telescopic upside down forks | Telescopic fork, fully adjustable KYB |
| Suspension - Rear | Kayaba monoshock, adjustable preload | Swingarm (link suspension), fully-adjustable KYB |
| Rake | 24.3° | 22.35° |
| Trail | 95.3 mm / 3.75 in | 94 mm / 3.7 in |
| Wheel Travel - Front | 120 mm / 4.7 in | 119 mm / 4.7 in |
| Wheel Travel - Rear | 126 mm / 5.0 in | 117 mm / 4.6 in |
| Wheels & Brakes |
| Brakes - Front | 2 x 308 mm Discs, Nissin 2 piston sliding calipers | 2x 320mm hydraulic discs, 4-piston calipers, Brembo Stylema radial master cylinder |
| Brakes - Rear | Single 220 mm disc, 1 piston caliper | Single 220mm hydraulic disc, single piston caliper |
| ABS | - | Standard |
| Tyres - Front | 120/70 ZR 17 | 120/70 ZR17 M/C (58W) |
| Tyres - Rear | 180/55 ZR 17 | 180/55 ZR17 M/C (73W) |
| Wheels - Front | Cast aluminium alloy 5-spoke, 17 x 3.5in | MT3.5 x 17 M/C |
| Wheels - Rear | Cast aluminium alloy 5-spoke, 17 x 5.5in | MT5.50 x 17 M/C |