Bultago Bultaco Alpina 250 (1971-79) vs Yamaha FZR 600R (1995) vs KTM 790 Duke (2022) vs Moto Guzzi V 50C (1982-86) vs Beta RS 350 (2013) vs Kawasaki ZX-R 750R-K (1991) vs Beta RS 350 (2014) vs Yamaha YZF 600R Thundercat (1996) vs Moto Guzzi V7 Clubman Racer (2015-16) vs Kawasaki EN 500C Vulcan Classic / VN 500 (2005-09) vs Kawasaki GPz 900 Ninja / ZX900R Ninja (1991-96) vs Moto Guzzi Norge 1200GT 8V (2010-11) vs Honda NX 650 Dominator (1989) vs Moto Guzzi Quota 1100ES (1997-99) vs Honda CB 125T (1983-85) vs Moto Guzzi V9 Bobber Special Edition (2023) vs Kawasaki ZR-7 (1999-00) vs Honda NX 250 Dominator (1992-93) vs Moto Guzzi V7 II Stone (2015-16)

Comparison technical specifications

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Make:	Bultago	Yamaha	KTM	Moto Guzzi	Beta	Kawasaki	Beta	Yamaha	Moto Guzzi	Kawasaki	Kawasaki	Moto Guzzi	Honda	Moto Guzzi	Honda	Moto Guzzi	Kawasaki	Honda	Moto Guzzi
Model:	Bultaco Alpina 250	FZR 600R	790 Duke	V 50C	RS 350	ZX-R 750R-K	RS 350	YZF 600R Thundercat	V7 Clubman Racer	EN 500C Vulcan Classic / VN 500	GPz 900 Ninja / ZX900R Ninja	Norge 1200GT 8V	NX 650 Dominator	Quota 1100ES	CB 125T	V9 Bobber Special Edition	ZR-7	NX 250 Dominator	V7 II Stone
Years:	1971-79	1995	2022	1982-86	2013	1991	2014	1996	2015-16	2005-09	1991-96	2010-11	1989	1997-99	1983-85	2023	1999-00	1992-93	2015-16
Engine:		Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, parallel twin cylinder, DOHC, 4 valve per cylinder	Four stroke, V twin, longitudinally mounted, OHV, 2 valve per cylinder.	Four stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, V twin, longitudinally mounted, OHV, 2 valves with light alloy pushrods and rockers.	Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, V twin, longitudinally mounted, OHV, 2 valve per cylinder.	Four-stroke, single cylinder, SOHC, 4 valve per cylinder	Four stroke, 90° V twin, longitudinally mounted, OHV, 2 valve per cylinder.	Four stroke, twin cylinder, OHC, 2 valve per cylinder	Transversal 90° V-twin, 4-stroke, 2-valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, single cylinder, DOHC, 4 valve per cylinder	Four stroke, V twin, longitudinally mounted, OHV, 2 valves with light alloy pushrods and rockers
Capacity:		599 cc / 36.6 cub in.	799 cc / 48.7 cu-in	490 cc / 29.9 cu-in	349 cc / 21.3 cu in	749 cc / 45.7 cu-in	349 cc / 21.3 cu in	599 cc / 36.5 cu-in	744 cc / 45.4 in	498 cc / 30.4 cy-in	908 cc / 55.4 cu-in	1151 cc / 70.2 cu-in	644 cc / 39.2 cu-in	1064 cc / 64.9 cu-in	124 cc / 7.6 cu-in	853 cc / 52.0 cu-in	738 cc / 45.0 cu-in	239 cc / 14.6 cu-in	744 cc / 45.4 in
Bore x Stroke:		62 x 49.6 mm	88 mm x 65.7 mm	74 x 57 mm	88 x 57.4 mm	71 x 47.3 mm	88 x 57.4 mm	62 x 49.6 mm	80 x 74 mm	74 х 58 mm	72.5 x 55 mm	95 x 81.2 mm	100 x 82 mm	92 x 80 mm	44 x 41mm	84 x 77 mm	66 x 54 mm	68.5 x 64.8 mm	80 x 74 mm
Compression Ratio:		12.0:1	12.7:1	10.4:1	12.1:1	10.8:1	12.1:1	12.0:1	9.6:1	10.2:1	11.0:1	9.8:1	8.3:1	9.5:1	7.4:1	10.5:1	9.5:1	11.0:1	9.6:1
Induction:		4x 34 mm Keihin CVKD CV	DellOrto fuel-Injection	2x 28mm Dell'Orto PHBH carburetors	Keihin FCR-MX Ø 39 mm	4x 39 mm Keihin CVKD (Constant Velocity) carburettors / Ram Air System (single intake)	Keihin FCR-MX Ø 39 mm	4 x 36 mm Keihin CV downdraft carburetors	Weber- Marelli electronic injection	2x 32mm Keihin carburetors	4x 34mm Keihin CVK34 carburettors	Multipoint sequential electronic injection, Magneti Marelli IAW 5A phased, alfa-n system; 2 x Ø50 mm throttle bodies with Weber IWP 189 injectors, Lambda probe.	Single 40mm Keihin VE-type carb	Weber-Marelli fuel-injection	2x Keihin 26mm slide type manual choke	Marelli MIU single-body electronic injection, integrated management of traction control on 2 levels	4x 32 mm CV-Type with K-TRICK	Carburetor	Weber- Marelli electronic injection.
Ignition:		Transistor controlled digital	Bosch EMS with RBW	Battery powered inductive	DC-CDI with variable ignition timing, Kokusan.	Digital	DC-CDI with variable ignition timing, Kokusan.	Digital TCI	Magneti Marelli electronic digital	Digital TCBI	Battery ignition, full electronic!	Inductive discharge, digitally controlled, electronic twin spark ignition	Digital CDI	Electronic	CDI	Electronic	Digital	CDI	Magneti Marelli electronic digital
Transmission:		6 speed	6 Speed	5 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	6 Speed	5 Speed	5 Speed	5 Speed	6 speeds (with overdrive top gear)	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	O-ring chain, 530 size, 106 links	Chain 520 X-Ring	Shaft	O-ring chain, DID	Chain	O-ring chain, DID	530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47	Shaft	Chain	Chain	Shaft	Chain	Shaft	Chain	Double universal joint and double bevel gear units (8/33 ratio = 1: 4.125)	Chain	Chain	Shaft
Front Suspension:		41mm Telescopic fork preload adjustable, coil spring, oil damper	WP APEX 43	Telehydraulic gas forks	Marzocchi USD fork, Ø 45 mm, adjustable compression and rebound, TFX technology	41mm Upside-down forks, adjustable ride height, 13-way rebound, 8-way compression.	Marzocchi USD fork, Ø 45 mm, adjustable compression and rebound, TFX technology	41 mm telescopic fork adjustable preload, compression and rebound damping	Marzocchi Ø 40 mm telescopic front forks	36mm Telescopic forks	41mm Telescopic forks, air assisted four way anti dive.	45mm Telescopic hydraulic fork, preload adjustable	41mm leading-axle fork	42mm Marzocchi fork	31mm oil-damped telescopic forks	40mm Standard fork	41mm Kayaba shock adjustable for preload/rebound damping	37 mm Telescopic forks	Marzocchi Ø 40 mm telescopic front forks
Front Brakes:		2 x 298mm discs, 4 piston calipers	2x 300mm discs, radially mounted 4 piston caliper	2x 260mm discs	Single Ø 260 mm floating disc, 2 piston caliper	2x 320mm discs 4 piston calipers	Single Ø 260 mm floating disc, 2 piston caliper	2x 300 mm Discs, 4 piston calipers	Single 320mm disc 2 piston caliper	Single 300mm disc	2x 300mm discs 4 piston calipers	2x 320mm discs 4 piston caliper	Single 256mm disc 2 piston caliper	2x 296mm discs 2 piston calipers	Single 240mm disc	Single 320 mm stainless steel floating disc, Brembo opposed four-piston callipers	2x 300mm discs 2 piston calipers	Single disc	Single 320mm disc 2 piston caliper
Rear Brakes:		Single 245 mm disc, 2 piston caliper	Single 240mm disc, 2 piston floating caliper	Single 235mm disc	Single Ø 240 mm disc, 1 piston caliper	Single 230mm disc 2 piston caliper	Single Ø 240 mm disc, 1 piston caliper	Single 245mm disc, 2 piston caliper	Single 260mm disc 2 piston caliper	180mm drum	Single 250mm disc 2 piston caliper	Single 280mm disc 2 piston caliper	Single 220mm disc 1 piston caliper	Single 260mm disc 2 piston caliper	130mm drum	Single 260 mm stainless steel floating disc, Brembo opposed two-piston callipers	Single 240mm disc 2 piston caliper	Drum	Single 260mm disc 2 piston caliper
Front Tyre:		120/60 ZR17	Maxxis Supermaxx ST 170/20Z R17	100/90 H18	90/90 -21	120/70 ZR17	90/90 -21	120/60-17	100/70-18	100/90-19	120/70-17	120/70 ZR17	90/90–21	90/90-121	2.75 -18	130/90 - 16	120/70-17	100/90-19	100/70-18
Rear Tyre:		160/60 ZR17	Maxxis Supermaxx ST 182/20Z R17	130/90 H16	140/80 -18	180/55 ZR17	140/80 -18	160/60-17	130/80-17	140/90-15	150/70-18	180/55 ZR17	120/90–17	130/80-17	3.00 -18	150/80 B 16	160/60-17	120/90-16	130/80-17
Fuel Capacity:		19 Litres / 5.0 US gal	14 Litres / 3.7 US gal	15 Litres / 3.9 US gal	7.9 L / 2.1 US gal	18 Litres / 4.7 US gal	7.9 L / 2.1 US gal	19 Litres / 5.0 US gal / 4.2 Imp gal	22 Litres / 5.8 gal	15 Litres / 4.0 US gal	22 Litres / 5.8 US gal	23 Litres / 6.0 US gal	16 Litres / 4.2 US gal	20 Litres / 5.3 US gal	11.5 Litres / 3.0 US gal	15 Litres / 4.0 US gal	22 Litres / 5.8 US gal	9 Litres / 2.4 US gal	22 Litres / 5.8 gal