BMW C 400X (2020) vs Ducati 900 S2 (1984) vs SYM ComBiz 125 (2014) vs Ducati Diavel (2015-16) vs Triumph Trident 660 (2021)

Comparison technical specifications

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Make:	BMW	Ducati	SYM	Ducati	Triumph
Model:	C 400X	900 S2	ComBiz 125	Diavel	Trident 660
Years:	2020	1984	2014	2015-16	2021
Engine:	Four stroke, Single cylinder, SOHC, 4 Valves, with rocker arm.	Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven	Single cylinder, 4-stroke, 2V, SOHC	Four stroke, 90°“L”twin cylinder, DOHC, desmodromic 4 valve per cylinder.	Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder
Capacity:	350 cc / 21.3 cub in.	864 cc / 52.7 cu in	124.6 cc / 7.6 cub in.	1198.4 cc / 73.1 cu-in	660 cc / 40.2 cu-in
Compression Ratio:	11.5:1	9.3:1	11.2:1	12.5:1	11.1:1
Induction:	Fuel injection, BMS-E2 40mm throttle valve diameter	2 x Dell'Orto PHF 30A or PHM 40B carburetors / 32mm Dell'Orto PHF	Electronic	Mitsubishi electronic fuel injection system, Mikuni elliptical throttle bodies with RbW	Multipoint sequential electronic fuel injection with electronic throttle control
Starting:	Electric, 500 kW	Electric	Electric	Electric	Electric
Clutch:	Centrifugal clutch	Wet, multiplate	Centrifugal	Light action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run.	Wet, multi-plate, slip and assist
Transmission:	Continuously variable CVT belt transmission	5 Speed	CVT	6 Speed	6 Speed
Final Drive:	Gear reduction cog wheel pairing	Chain	Belt	Chain Front sprocket 15; Rear sprocket 43	X-ring chain
Front Suspension:	35mm Telescopic forks.	38 mm Marzocchi telescopic fork	Telescopic fork	Marzocchi 50mm fully adjustable usd forks,	41mm Showa upside down separate function forks (SFF)
Rear Suspension:	Aluminum double-sided swing arm, double spring strut, adjustable spring preload	Marzocchi ET85 dual shocks, 5-way adjustable	Twin sided swing arm, adjustable dampers	Progressive linkage with fully adjustable Sachs monoshock. Aluminium single-sided swingarm,	Showa monoshock RSU, with preload adjustment
Front Brakes:	2x 265mm Rigid discs 4 piston caliper.	2 x 280 mm Disc, 1 piston caliper	Single hydraulic disc, 180 mm	2 x 320mm semi-floating discs, radially mounted Monobloc Brembo callipers, 4-piston with ABS	2x 310mm discs Nissin 2-piston calipers
Rear Brakes:	Single 265mm disc 1 piston caliper.	Single 280 mm disc	Drum, 130 mm	Single 265mm disc, 2-piston floating calliper with ABS	Single 255mm disc Nissin single-piston sliding caliper
Dimensions:	Length 2210 mm / 87 in Width 833 mm / 32.8 in	Length: 2200 mm / 86.6 in Width: 700 mm / 27.6 in Height: 1250 mm / 49.2 in	Length: 1920 mm / 75.6 in. Width: 680 mm / 26.8 in. Height: 1080 mm / 42.5 in.	Length 2235 mm Width 860 mm Height 1192 mm	Length 2020 mm / 79.5 in Width 795 mm / 31.3 in (incl Handlebars) Height 1089 mm / 42.9 in (excl Mirrors)
Seat Height:	775 mm / 30.5 in	840 mm / 33.1 in	750 mm / 29.5 in.	770 mm / 30.3in	805 mm / 31.7 in
Fuel Capacity:	12.8 Litres / 3.4 US gal	18 L / 4.8 US gal / 4.0 Imp gal	5.5 L / 1.5 US gal	17 Litres / 5.3 US gal	14 Litres / 3.7 US gal