Norton Commando 750 Interstate (1972) vs KTM RC8R 1190 (2010) vs Norton Commando 961 SF (2015) vs Jawa 420 Prototype (1982) vs Triumph Thunderbird 1600 (2009) vs Triumph Tiger 1050 (2009)

Comparison technical specifications

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Make:	Norton	KTM	Norton	Jawa	Triumph	Triumph
Model:	Commando 750 Interstate	RC8R 1190	Commando 961 SF	420 Prototype	Thunderbird 1600	Tiger 1050
Years:	1972	2010	2015	1982	2009	2009
Engine:	Four stroke, parallel twin cylinder, push rod, OHV, 2 valves per cylinder.	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves per cylinder.	Four stroke, parallel twin, DOHC, 4 valves per cylinder.	Four stroke, transverse three cylinder, DOHC, 4 valves per cylinder.
Capacity:	745 cc / 45.5 cu in	1195 cc / 73.0 cu-in	961 cc / 58.6 cu in	420 cc / 25.6 cu in	1597 cc / 97.5 cu in	1050 cc / 64.1 cu in
Bore x Stroke:	73 x 89 mm	105 x 69 mm	88 x 79 mm	85 x 73 mm	103.8 x 94.3mm	79 x 71.4 mm
Cooling System:	Air cooled	Liquid cooling	Air cooled	Liquid cooled	Liquid cooled	Liquid cooled
Transmission:	4 Speed	6 Speed	5 Speed, constant mesh	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	17:37	Chain, 525 "O" ring	Chain	Toothed belt	X ring chain
Front Suspension:	Telescopic forks	43mm WP Upside down adjustable	Ø43 mm Öhlins USD, adjustable preload, compression, and rebound damping.	Hydraulic telescopic forks	Showa 47 mm forks.	43 mm Showa upside down forks with adjustable preload, rebound and compression damping adjustment
Rear Suspension:	Dual shocks, 5-way adjustable	WP shock, fully adjustable	Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping.	Single shock	Showa chromed spring twin shocks with 5 position adjustable preload.	Showa Mono-shock with adjustable preload and rebound damping
Front Brakes:	Single disc	2x 320mm discs 4 piston calipers	Brembo 2 x Ø320 mm fully-floating high carbon stainless steel discs, 4 piston "Gold Line" Brembo radially mounted calipers. Brembo "Gold Line" front brake master cylinder with integral reservoir	Single disc	2 x 310 mm Discs, 4 piston calipers	2 x 320 mm Discs, 4 piston caliper
Rear Brakes:	Single178 mm Drum, twin leading shoe	Single 240mm disc	Brembo single Ø220 mm disc, 2 piston "Gold Line" caliper. Brembo rear brake master cylinder	Expanding drum	Single 310 mm disc, 2 piston caliper	Single 255 mm disc, 2 piston caliper
Dry Weight:	203 kg / 448 lbs	182 kg / 405.23 lb (no fuel)	188 kg / 415 lbs	155 kg / 342 bls	308 kg / 678 lbs	198 kg / 436.5 lbs
Fuel Capacity:	25 Litres / 6.6 US gal	16.5 Litres / 3.5 gal	17 Litres / 4.5 US gal	20 L / 5.2 US gal	22 Litres / 5.8 US gal / 4.8 Imp gal	20 Litres / 5.3 US gal / 4.4 Imp gal