| General |
| Comments | - | Small windscreen. Drive Mode Selector. |
| Year | 2021 | - |
| Colours | - | Glass Blaze Orange/Glass Sparkle Black, Glass Matte Mechanical Gray/Pearl Brilliant White |
| Make Model | Triumph Trident 660 | - |
| Warranty | - | 12 month unlimited mileage limited warranty. |
| Dimensions |
| Ground Clearance (mm) | - | 130 mm |
| Ground Clearance (in.) | - | 5.1 inches |
| Seat Height | 805 mm / 31.7 in | 810 mm / 31.9 in. |
| Wheelbase | 1401 mm / 55.2 in | 1390 mm / 54.7 in. |
| Height | 1089 mm / 42.9 in (excl Mirrors) | 1135 mm / 44.7 in. |
| Length | 2020 mm / 79.5 in | 2030 mm / 79.9 in. |
| Width | 795 mm / 31.3 in (incl Handlebars) | 710 mm / 28.0 in. |
| Weights & Capacities |
| Oil Capacity (l) | - | 3.40 litres |
| Oil Capacity (Quarts) | - | 3.59 US quarts |
| Fuel Capacity | 14 Litres / 3.7 US gal | 17.00 litres / 4.49 US gallons |
| Wet Weight | 189 kg / 417 lbs | 190.0 kg / 418.9 lbs |
| Performance |
| Max Power | 80 hp / 60 kW @ 10250 rpm | - |
| Max Torque | 64 Nm / 47 lb-ft @ 6250 rpm | 86.2 Nm (8.8 kgf-m or 63.6 ft.lbs) @ 11200 Revolutions" |
| Engine |
| Displacement (ci) | - | 45.77 cubic inches |
| Engine Type | - | In-line four, four-stroke |
| Fuel Control | - | Double Overhead Cams/Twin Cam (DOHC) |
| Bore x Stroke (in,) | - | 2.8 x 1.9 inches |
| Bore x Stroke (mm) | - | 70.0 x 48.7 mm |
| Displacement (cc) | - | 750.0 cc |
| Displacement | 660 cc / 40.2 cu-in | - |
| Engine Detail | Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder | Titanium alloy valves |
| Fuel System | - | Injection. Suzuki Dual Throttle Valve fuel injection |
| Bore x Stroke | 74.0 x 51.1mm | - |
| Compression Ratio | 11.1:1 | 12.5:1 |
| Cooling System | Liquid cooled | - |
| Emissions | Euro-5 | - |
| Engine Lubrication | - | Wet sump |
| Exhaust | Stainless steel 3 into 1 header system with low single sided stainless steel silencer | - |
| Fuel Induction | Multipoint sequential electronic fuel injection with electronic throttle control | - |
| Idle Speed | - | 1000-1200 RPM |
| Ignition | - | Transistorized |
| Spark Plug | - | NGK CR9EIA-9, DENSO IU27D |
| Starter | Electric | Electric |
| Valve System | - | 4 |
| Drivetrain |
| Chain Size | - | 525 |
| Clutch | Wet, multi-plate, slip and assist | Wet, multi-plate |
| Final Drive | X-ring chain | Chain (final drive) |
| Gearbox | - | 6-speed |
| Number of Chain Links | - | 116 |
| Primary Drive | - | Constant mesh |
| Sprocket | - | 15/43 (front/rear) |
| Transmission / Drive | 6 Speed | - |
| Chassis |
| Fork Tube Size (in.) | - | 1.6 inches |
| Fork Tube Size (mm) | - | 41 mm |
| Frame Type | Tubular steel perimeter frame, twin-sided, fabricated steel Swingarm | Twin-spar aluminum cradle |
| Suspension - Front | 41mm Showa upside down separate function forks (SFF) | Inverted telescopic, coil spring, oil damped |
| Suspension - Rear | Showa monoshock RSU, with preload adjustment | Link type, single shock, coil spring, oil damped |
| Rake | 24.6° | - |
| Trail | 107.3 mm / 4.2 in | - |
| Wheel Travel - Front | 120 mm / 4.7 in | 120 mm / 4.7 in. |
| Wheel Travel - Rear | 134 mm / 5.3 in | 130 mm / 5.1 in. |
| Electrical Systems |
| Instrumentation | Multi-function instruments with colour TFT screen | Analog tachometer and LCD panel with speed, odometer, dual trip meter, reserve trip meter, clock, coolant temperature/oil pressure indicator, S-DMS, and gear position indicators |
| Lighting system | - | Vertically stacked high- and low-beam 65W halogen bulbs |
| Wheels & Brakes |
| Brakes - Front | 2x 310mm discs Nissin 2-piston calipers | Double disc. Brembo 4-piston. |
| Brakes - Rear | Single 255mm disc Nissin single-piston sliding caliper | Single disc. Nissin-1 piston. |
| ABS | Standard | - |
| Brake Fluid Type | - | DOT 4 |
| Rims - Front | 3.5 x 17 | - |
| Rims - Rear | 5.5 x 17 | - |
| Tyre Pressure - Front | - | 33 PSI (2.3 Bar or 230 kPa) |
| Tyre Pressure - Rear | - | 36 PSI (2.5 Bar or 250 kPa) |
| Tyres - Front | 120/70 - R17 | 120/70-ZR17 |
| Tyres - Rear | 180/55 - R17 | - |
| Wheels | 5 Spoke cast aluminum | - |