Kawasaki ZR-7 (2004-05) vs Kawasaki Z 650SR-D2 (Stateside Replica) (1979) vs BMW R 1200GS LC Adventure (2018) vs Vyrus Alyen (2020) vs Kawasaki Z 750 Twin (1978) vs Horex VR6 Silver Edition (2016) vs BMW G 650GS (2010) vs Yamaha RD 350LC / RZ 350LC YPVS (1984)

Comparison technical specifications

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Make:	Kawasaki	Kawasaki	BMW	Vyrus	Kawasaki	Horex	BMW	Yamaha
Model:	ZR-7	Z 650SR-D2 (Stateside Replica)	R 1200GS LC Adventure	Alyen	Z 750 Twin	VR6 Silver Edition	G 650GS	RD 350LC / RZ 350LC YPVS
Years:	2004-05	1979	2018	2020	1978	2016	2010	1984
Engine:	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder, Intake 40mm, outlet 34 mm	Four stroke, 90° “L” twin cylinder, DOHC, desmodromic 4 valve per cylinder	Four stroke, parallel twin cylinder, 2 valve per cylinder.	Four stroke, V6, 15 degree V-angle mirrored cylinder offset, triple overhead cam, 3 valves per cylinder	Four stroke, single cylinder, DOHC, 4 valves per cylinder	Two stroke, parallel twin cylinder
Capacity:	738 cc / 45.0 cu-in	652 cc / 39.7 in	1170 cc / 71.4 cub in	1285 cc / 78.4 cub in	745 cc / 54.45 cu-in	1218 cc / 74.32 cu-in	652 cc / 39.8 cub. in.	347 cc / 21.1 cu-in
Bore x Stroke:	66 x 54 mm	62 х 54 mm	101 x 73 mm	116 x 60.8 mm	78 х 78 mm	68.2 x 55.4 mm	100 x 83 mm	64 х 54 mm
Compression Ratio:	9.5:1	9.5:1	12.5:1	11.3:1	8.5:1	12.5:1	11.5:1	6.2 :1
Induction:	4x 32 mm CV-Type with K-TRICK	22mm Mikuni slide/needle carburetors	Electronic intake pipe injection	Electronic Fuel Injection	2x 38 mm Mikuni carburetors	Turbo. Rotrex radial compressor C-series, detatchable	Fuel induction	2x 26mm Mikuni slide-needle carburetor
Starting:	Electric	Electric & kick	Electric	Electric	Electric & kick	Electric	Electric	Kick
Max Power:	76 hp / 55.4 kW @ 9500 rpm	66 hp / 48.2 kW @ 8500 rpm	92 kW / 125 hp @ 7750 rpm	205 hp / 152.86 kW @ 10,500 rpm	41 kW / 55 hp @ 7000 rpm	167.7 hp / 122.4 kW @ @ 8500 rpm	37 kW / 48 hp @ 6500 rpm	59 hp / 43.9 kW @ 9000 rpm
Max Torque:	63 Nm / 46.5 lb-ft @ 7500 rpm	5.8 kgf-m / 57 Nm @ 7000 rpm	125 Nm /12.7 kgf-m / 92 lb-ft @ 6500 rpm	NA	60.8 Nm / 6.2 kg-fm / 44.8 ft.lbs @ 3000 rpm	138 Nm / 101.5 lb-ft @ 7000 rpm	60 Nm / 6.1 kgf-m / 44.25 lb-ft. @ 5200 rpm	40.2 Nm / 4.1 kgf-m / @ 8000 rpm
Transmission:	5 Speed	5 Speed	6 Speed	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Front Suspension:	41mm Kayaba shock adjustable for preload/rebound damping	Telescopic hydraulic fork	BMW Motorrad Telelever; stanchion 37 mm, central spring strut	Push Rod Twin Pivot Vyrus	Telehydraulic fork	Öhlins upside-down fork (Ø 43 mm) with adjustable spring preload, compression and rebound damping	∅41mm telescopic fork with stabilizer bridge	32mm stanchion tube forks
Rear Suspension:	Bottom link UNI-TRAK with 7-way adjustable preload and 4-way rebound damping	Swinging fork	Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel-related damping), spring preload hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel	Push Rod Twin Pivot Vyrus	Swinging fork	Öhlins TTX36 GP suspension struts with adjustable spring base, rebound and compression damping and built-in hydraulic spring preload adjustment	Spring setting and rebound stage damping continuously adjustable.	Single shock cantilever 5-way adjustable spring preload
Front Brakes:	2x 300mm discs 2 piston calipers	2x 300mm Discs	2x 305mm Hydraulically actuated twin disc brake, BMW Motorrad Integral ABS Pro, disengageable	2 x Disks, Brembo GP4 series	Single disc, 250 mm	2x 320mm disc. ABS. Radial 4-piston calipers. Bremo.	Single ∅300mm disc, 2 piston caliper	2x 267mm disc 1 piston caliper
Rear Brakes:	Single 240mm disc 2 piston caliper	Single 300mm Disc	Single 275mm disc, 2 piston caliper, BMW Motorrad Integral ABS Pro, disengageable	Single disk, Brembo GP4 series	Single disc, 230 mm	Single 264mm disc. ABS. 2-piston caliper. Bremo	Single ∅240mm disc, 1 piston caliper	Drum
Front Tyre:	120/70-17	3.25-19	120/70 R19	120/70 ZR 17	3.25H-19	120/70-ZR17	100/90-19	3.00-18
Rear Tyre:	160/60-17	4.00-18	170/60 R 17	200/90 ZR17	4.00H-18	190/55-ZR17	130/80-17	3.50-18
Fuel Capacity:	22 Litres / 5.8 US gal	16.6 Litres / 4.4 US gal	30 Litres / 7.9 US gal / 4.4 Imp gal	11 Litres / 2.9 US gal	14.5 Litres / 3.8 US gal	17 Litres / 4.5 USA gal	17.3 Litres / 4.6 US gal.	16.5 Liters / 4.3 US gal