Norton Dominator 88 (1956-62) vs KTM 600 LC4 Incas (1989) vs KTM 525 EXC (2003-04) vs Norton Commando 750 Roadster (1970-71) vs KTM 690 SMC (2010-11) vs Norton Superlight Twin (2019) vs Norton Commando 750 Fastback (1967-70) vs KTM 690 Duke (2008) vs Norton Commando 961 SE (2011-12) vs KTM 990 Supermoto (2010) vs KTM 350 EXC-F Enduro (2019-20) vs KTM 690 Duke R (2010)

Comparison technical specifications

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Make:	Norton	KTM	KTM	Norton	KTM	Norton	Norton	KTM	Norton	KTM	KTM	KTM
Model:	Dominator 88	600 LC4 Incas	525 EXC	Commando 750 Roadster	690 SMC	Superlight Twin	Commando 750 Fastback	690 Duke	Commando 961 SE	990 Supermoto	350 EXC-F Enduro	690 Duke R
Years:	1956-62	1989	2003-04	1970-71	2010-11	2019	1967-70	2008	2011-12	2010	2019-20	2010
Engine:	Four stroke, parallel twin cylinder, OHV	Single cylinder, 4-stroke, OHC, 4-valves	Four stroke, single cylinder, SOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, push rod 2 valves per cylinder.	Four stroke, single Cylinder. SOHC, 4 Valve	Four stroke, parallel twin. 270 degree firing order. Chain driven DOHC, with idler gear.	Four stroke, parallel twin cylinder, push rod, 2 valves per cylinder.	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, parallel twin with push-rod valve actuation, 3 bearing crank balancer shaft, 2 valves per cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC with finger followers, 4 valves per cylinde	Four stroke, single cylinder, SOHC, 4 valves
Capacity:	497 cc / 30.3 cu in	553 cc / 33.7 cu in	510.4 cc / 31.1 in	745 cc / 45.5 cu in	653.7 cc / 39.8 cu-in	650 cc / 39.6 cu-in	745 cc / 45.5 cu in	653.7 cc / 39.91 cu in	961 cc / 58.6 cu in	999.8 cc / 60.9 cu-in	349.7 cc / 21.3 cu in	690 cc / 42.1 cu in
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid Cooled	Liquid cooled	Air cooled	Liquid Cooled	Air cooled	Liquid cooling	Liquid cooled	Liquid Cooled
Starting:	Kick	Kick	Electric & kick	Kick	Electric	Electric	Electric and kick	Electric	Electric	Electric	Electric	Electric
Transmission:	4-Speed	5-Speed	5 Speed	4 Speed	6 Speed		4 Speed	6 Speed	5 Speed, constant mesh	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain, X-ring JT 520-114	Chain	Chain	Chain X-ring chain 5/8 x 1/4"	Chain	Chain	Chain X-Ring 5/8 x 5/16"	Chain, 525 "O" ring	Chain.	Chain, X-Ring 5/8 x 1/4″	Chain X-Ring 5/8 x 5/16"
Front Suspension:	Telescopic fork	Telescopic fork	43mm WP USD fork	Telescopic forks	WP 48mm Upside-down forks	Ohlins NIX 30 system front fork, fully adjustable	Telescopic forks	WP Upside-down forks, 4860 ROMA	Ø43 mm Öhlins RSU, adjustable preload, compression, and rebound damping.	48mm WP USD adjustable	WP Suspension Up Side Down 4860 MXMA PA	WP Upside-down forks, 4860 ROMA
Rear Suspension:	Swingarm with twin plungers	Mono shock, aluminium swingarm	Fully adjustable WP	Dual shocks	WP monoshock	Single sided aluminium swingarm, Ohlins TTXGP Norton bespoke fully adjustable rear shock	Dual shocks, 5-way adjustable	WP monoshock, 4618 with Pro-lever deflector	Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression, and rebound damping.	WP shock, fully adjustable	WP Xplor PDS shock absorber	WP monoshock, 4618 with Pro-lever deflector