BMW R 100RT Mono (1987-89) vs KTM 950 Adventure (2003) vs KTM 990 Supermoto R (2008) vs KTM 125 Sting (1997-99) vs KTM 990 Supermoto (2008) vs Norton commando 850 John Player Special (1974) vs Yamaha ST 225 Bronco (1997-)

Comparison technical specifications

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Make:	BMW	KTM	KTM	KTM	KTM	Norton	Yamaha
Model:	R 100RT Mono	950 Adventure	990 Supermoto R	125 Sting	990 Supermoto	commando 850 John Player Special	ST 225 Bronco
Years:	1987-89	2003	2008	1997-99	2008	1974	1997-
Engine:	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Single cylinder two stroke	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, push rod 2 valves per cylinder.	Four stroke, single cylinder, SOHC
Capacity:	980 cc 59.8 cu in	942 cc / 57.4 cu-in	999.8 cc / 60.9 cu-in	124.8 cc / 7.6 cu in	999.8 cc / 60.9 cu-in	829 cc / 50.6 cu in	223 cc / 13.6 cu-in
Bore x Stroke:	94 x 70.6 mm	100 x 60 mm	101 x 62.4mm	56 x 50.7 mm	101 x 62.4mm	77 x 89 mm	70 X 58mm
Cooling System:	Air cooled	Liquid cooling	Liquid cooling,	Liquid cooled	Liquid cooling,	Air cooled	Air cooled
Compression Ratio:	8.45:1	11.5;1	11.5:1		11.5:1	8.5:1	9.5:1
Starting:	Electric	Electric	Electric	Electric	Electric	Kick	Kick
Max Power:	43.7 kW / 60 hp @ 7000 rpm	98 hp / 71.4 kW @ 8000 rpm	114.hp 83.2 kW) @ 4000 rpm	10.1 kW / 13.5 hp @ 8400 rpm	114.hp / 83.2 kW) @ 4000 rpm	60 hp / 44.7 kW @ 6200 rpm	20 hp / 14.9 kW @ 8000 rpm
Transmission:	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed	4 Speed	6 Speed
Final Drive:	Shaft	Chain, 17-42	Chain.	Chain	Chain.	Chain	Chain
Front Suspension:	Telescopic fork with hydraulic shock absorber.	WP-Upside-down 48 Multi Adjuster	48mm WP USD adjustable	43mm Upside down forks and shock	48mm WP USD adjustable	Telescopic forks	Telescopic fork: 226mm wheel travel
Rear Suspension:	Monolever swinging arm	WP - PDS with hydraulic spring preload	WP shock, fully adjustable	Fully adjustable White Power mono-shock	WP shock, fully adjustable	Dual shocks	Swingarm rebound adjustable. single shock, 145mm.wheel travel
Front Brakes:	2 x ∅260mm discs, 2 piston calipers	2x 300mm discs 2 piston calipers	2x 305mm discs 4 piston calipers	Single 320 mm disc	2x 305mm discs 4 piston calipers	Single disc	Single 220mm disc
Rear Brakes:	Simplex ∅200 mm drum	Single 240mm disc 2 piston caliper	Single 240mm disc 2 piston caliper	Single 220 mm disc	Single 240mm disc 2 piston caliper	Drum	Single 110mm drum
Front Tyre:	3.25 H-19	90/90 -21	120/70 ZR17	110/70-17	120/70 ZR17	3.50 H18	2.75-19
Rear Tyre:	4.00 H-18	150/70 -18	180/55 ZR17	130/70-17	180/55 ZR17	4.10 V18	120/80-18
Fuel Capacity:	24 Litres / 6.3 US gal	22 Litres / 5.8 gal	15 Litres / 3.9 gal	8.5 L / 2.2 US gal / 1.9 Imp gal	15 Litres / 3.9 gal	12 Litres / 3.2 US gal	8.3 Litres / 2.2 US gal