Velocette GTP (1930-46) vs AJS Model 14 250 / 250CSR / Scrambler (1958-66) vs KTM 1290 Super Duke R (2017) vs KTM 390 Enduro R (2025) vs Ducati Scrambler Full Throttle (2019) vs KTM 1190 Adventure (2016) vs Voxan Charade Racing (2006)

Comparison technical specifications

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Make:	Velocette	AJS	KTM	KTM	Ducati	KTM	Voxan
Model:	GTP	Model 14 250 / 250CSR / Scrambler	1290 Super Duke R	390 Enduro R	Scrambler Full Throttle	1190 Adventure	Charade Racing
Years:	1930-46	1958-66	2017	2025	2019	2016	2006
Engine:	Two-stroke, Single cylinder	Single cylinder, 4-stroke, OHV	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, single cylinder, DOHC with finger followers, 4 valves	Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valve per cylinder	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stoke, 72°V-Twin cylinder, DOHC, 4 valves per cylinder
Capacity:	249 cc / 15.2 cub in	248.5 cc / 15.2 cu in	1301 cc / 79.3 cu-in	398.7 cc / 24.3 cu-in	803 cc / 49.0 cub in	1195 cc / 72.9 cu-in	996 cc / 60.7 cu-in
Bore x Stroke:	63 x 80 mm	69.85 / 64.84 mm	108 x 71 mm	89 x 64 mm	88 x 66 mm	105 x 69 mm	98 x 66 mm
Compression Ratio:	6.5:1	7.8:1 Scrambler: 11.5:1	13.2:1	12.6:1	11.0:1	12.5:1	10.8:1
Cooling System:	Air cooled	Air cooled	Liquid cooling	Liquid Cooled	Air cooled	Liquid cooling	Liquid cooled
Starting:	Kick start	Kick	Electric	Electric	Electric	Electric	Electric
Transmission:	Early models: 3 Speed, hand operated Later models: 4 Speed, foot operated	4-Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain 520 X-ring	Chain 520-X Ring	Chain, front spocket 15, rear sprocket 46	Chain 5/8 x 5/16" X Ring	Chain
Wheelbase:	1270 mm / 50 in	1345 mm / 53 in	1482 mm / 58.3 in	1475 mm / 57.2 in	1445 mm / 56.9 in	1600 mm / 63.0 in	1475 mm / 58.1 in
Seat height:	686 mm / 27 in	760 mm / 30 in	835 mm / 32.9 in	890 mm / 35 in	798 mm / 31.4 in – low seat 778 mm / 30.6 in available as accessory	861 mm - 876 mm / 33.9 in – 34.5 in.	820 mm / 32.3 in
Front Suspension:	Webb fork with shock absorber and steering damper	Telescopic fork	WP-USD Ø 48 mm fork	43mm WP APEX 43, open cartridge, compression and rebound adjustable	Upside down Kayaba 41 mm Kayaba Fork	48mm WP USD forks	WP 40mm inverted forks adjustable for compression and rebound.
Rear Suspension:	None, spring loaded seat	Swingarm with dual shocks	WP-Monoshock	WP APEX - Monoshock, split piston, rebound and preload adjustable	Kayaba rear shock, pre-load adjustable.	WP-PDS rear shock, hydraulic spring preload.	WP underslung extension shock, adjustable for compression, preload and rebound.
Front Brakes:	6 in. drum, internal expanding	Drum, 6 in	2 x 320mm Floating discs, Brembo monoblock 4 piston radial fixed calipers	Single 285 mm disc, Bybre caliper	Single 330 mm disc, radial 4-piston calliper with Bosch Cornering ABS as standard equipment	2x 320mm discs 4 piston calipers	2x 320mm discs 4 piston calipers
Rear Brakes:	6 in. drum, internal expanding	Drum, 6 in	Single disc, Brembo 2 piston fixed calipers	Single 240 mm disc, Bybre 1 piston caliper	Single 245 mm disc, 1-piston floating calliper with Bosch Cornering ABS as standard equipment	Single 267mm disc 2 piston caliper	Single 245mm disc 2 piston caliper
Fuel Capacity:	6.6 L / 1.75 US gal	18 L / 4.8 US gal Scrambler: 12.5 L / 3.3 US gal	18 Litres / 4.8 US gal / 4.0 Imp galUnleaded premium fuel (95 RON)	9 L / 2.4 US gal	13.5 Litres / 3.57 US gal / 3.0 Imp gal	23 Litres / 6.08 US gal	19 Litres / 5.0 US gal