Triumph Trident 660 (2025) vs Ducati DesertX (2022) vs Ducati Monster S4R (2003) vs Yamaha IT 175 (1980)

Comparison technical specifications

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Make:	Triumph	Ducati	Ducati	Yamaha
Model:	Trident 660	DesertX	Monster S4R	IT 175
Years:	2025	2022	2003	1980
Engine:	Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder	Testastretta, L-Twin cylinder, 4 valves per cylinder, Desmodromic timing	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valves per cylinder, belt driven	Two stroke, single cylinder, reed-valve inducted
Capacity:	660 cc / 40.2 cu-in	937 cc / 57.2 cu in	996 cc / 60.8 cu in	171 cc / 10.4 cu-in
Bore x Stroke:	74.0 x 51.1mm	94 x 67.5 mm	96 x 68.8 mm	66 x 50mm
Compression Ratio:	11.95:1	13.3:1	11.6:1	7.9:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled
Induction:	Multipoint sequential electronic fuel injection with electronic throttle control	Bosch electronic fuel injection system, Ø53 mm throttle bodies with ride-by-wire system	Marelli electronic fuel injection, 50 mm throttle bodies	32mm Mikuni carburetor
Starting:	Electric	Electric	Electric	Kick
Max Power:	81 hp / 59.6 kW @ 10250 rpm	81 kW / 110 hp @ 9250 rpm	83.4 kW / 113 hp @ 8750 rpm	19.86 hp / 14.6 kW @ 8000 rpm
Max Torque:	64 Nm / 47 lb-ft @ 6250 rpm	92 Nm / 68 lb-ft @ 6500 rpm	95.5 Nm / 9.6 kgf-m / 70.4 ft-lb @ 7000 rpm	18.47 Nm / 13.63 lb-ft @ 7500 rpm
Clutch:	Wet, multi-plate, slip and assist	Slipper and self-servo wet multiplate clutch with hydraulic control	Dry multiplate with hydraulic control	Wet, multi-disc
Transmission:	6 Speed Triumph Shift Assist	6-Speed	6 Speed	6 Speed
Final Drive:	X-ring chain	Chain, front sprocket Z15, rear sprocket Z49	Chain; front sprocket 15; rear sprocket 42	Chain
Frame:	Tubular steel perimeter frame, twin-sided, fabricated steel Swingarm	Tubular steel trellis frame	Tubular steel trellis	Single-downtube, full cradle, chromoly frame, box section aluminum swingarm
Front Suspension:	41mm Showa upside down separate function forks (SFF)	46 mm KYB upside-down fork, fully adjustable	Showa upside-down fully adjustable 43 mm fork.	Telescopic forks
Front Wheel Travel:	120 mm / 4.7 in	230 mm / 9.06 in	130 mm / 5.1 in	244 mm / 9.6 in
Rear Suspension:	Showa monoshock RSU, with preload adjustment	KYB monoshock, fully adjustable, remote preload adjustment, aluminum double-sided swingarm	Progressive linkage with Showa fully adjustable monoshock with piggy back. Aluminium single armed swing-arm.	Monoshock with adjustable damping and pre-load
Rear Wheel Travel:	130 mm / 5.1 in	220 mm / 8.66 in	148 mm / 5.8 in	241 mm / 9.4 in
Front Brakes:	2x 310mm discs 2-piston calipers OCABS	2x 320 mm aluminum flange semi-floating discs, Radial mount Brembo monobloc 4-pistons calipers	2 x 320 mm Discs, 4 piston calipers	Drum
Rear Brakes:	Single 255mm disc Nissin single-piston sliding caliper OCABS	Single 265 mm disc, Brembo floating 2 pistons caliper	Single 245 mm disc, 2 piston caliper	Drum
Front Tyre:	120/70 - R17	90/90 21 M/C 54V M+S TL (A), Pirelli Scorpion Rally STR	120/70 - ZR17	3.00 x 21
Rear Tyre:	180/55 - R17	150/70 R18 M/C 70V M+S TL, Pirelli Scorpion Rally STR	180/55 - ZR17	4.10 x 18
Wheelbase:	1401 mm / 55.2 in	1607 mm / 63.3 in	1440 mm / 56.7 in	1417 mm / 55.8 in
Seat Height:	805 mm / 31.7 in	873 mm / 34.4 in	806 mm / 31.7 in	899 mm / 35.4 in
Fuel Capacity:	14 Litres / 3.7 US gal	21 Litres / 5.54 US gal (28 Litres / 7.66 US gal with optional accessory rear tank)	15 L / 4.0 US gal / 3.3 Imp gal	11 Litres / 2.9 US gal