Yamaha XVS 950 V-Star Bolt (2018-19) vs Yamaha YZF 1000R Thunder ace (1996) vs BMW R 1200RT LC (2018) vs Velocette Venom (1955-70) vs Honda CBR 600RR (2018) vs Royal Enfield Classic 650 (2025) vs Suzuki GSX 250F Across (1992-98)

Comparison technical specifications

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Make:	Yamaha	Yamaha	BMW	Velocette	Honda	Royal Enfield	Suzuki
Model:	XVS 950 V-Star Bolt	YZF 1000R Thunder ace	R 1200RT LC	Venom	CBR 600RR	Classic 650	GSX 250F Across
Years:	2018-19	1996	2018	1955-70	2018	2025	1992-98
Engine:	Four stroke, 60°V-cylinder, SOHC, 4 valve per cylinder	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder	Four stroke, two cylinder horizontally opposed Boxer, DOHC, 4 valves per cylinder	Four stroke, single cylinder,	Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder	Inline twin cylinder, SOHC	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder
Capacity:	942 cc / 58-cu-in	1002 cc / 61.1 cu-in	1170, 71.4 co in	499 cc / 30.5 cub in	599 cc / 36.5 cu-in	647.95 cc / 39.5 cu in	249 cc / 15.2 cu in
Bore x Stroke:	85 x 83mm	75.5 x 56 mm	101 x 73 mm	86 x 86 mm	67 x 42.5 mm	78 x 67.8mm	49 x 33 mm
Cooling System:	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Air/oil-cooled	Liquid cooled
Compression Ratio:	9.0:1	11.5:1	12.5:1	8.0:1	12.2:1	9.5:1	12.5:1
Ignition:	Digital TCI	Digital TCI	Digital engine management	Belt driven dynamo, after 1962: Lucas system	Computer-controlled digital transistorized with electronic advance and independent four-cylinder 3D-mapped computer control.	Digital electronic ignition	Digital
Starting:	Electric	Electric	Electric	Kick start	Electric	Electric and kick	Electric
Max Power:	52.4 hp / 38.6 kW @ 6000 rpm	145 hp / 106.7kW @ 10000 rpm	92 kW / 125 hp @ 7750 rpm	25 kW / 34 hp @ 6200 rpm	118 hp / 88.1 kW @ 13500 rpm	34.6 kW / 46.4 hp @ 7250 rpm	34 kW / 45 hp @ 14500 rpm
Final Drive:	Belt	Chain	Shaft	Chain	#525 O-ring chain	Chain	Chain
Front Suspension:	41mm forks, 5.3in wheel travel	45mm forks, adjustable preload, bump and rebound.	BMW Telelever	Telescopic fork with hydraulic damping and an offset wheel spindle	41mm inverted Big Piston Fork with spring preload, rebound and compression damping adjustability	44mm telescopic fork, Showa	Telescopic forks
Rear Suspension:	Preload adjustable dual shocks	Mono shock adjustable preload, bump and rebound.	BMW EVO Paralever	Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable	Unit Pro-Link HMAS single shock with spring preload, rebound and compression damping adjustability	Dual shocks, preload adjustable, Showa	Swingarm, monoshock
Front Brakes:	Single 298mm disc 2 piston caliper	2x 298mm discs 4 piston calipers	2 x 320mm Discs, 4 piston callipers	7.5 x 1.5 in drum	2x 310mm discs 4 piston calipers	Single floating disc, ? 320 mm, 2 piston floating caliper, ABS	Single 300 mm disc, 2 piston caliper
Rear Brakes:	Single 298mm disc	Single 245mm disc 2 piston caliper	Single 276mm disc, 2 piston caliper	7 x 1 in drum	Single 220mm disc 1 piston caliper	Single disc, ? 300 mm / single floating caliper, ABS	Single 240 mm disc
Front Tyre:	100/90 -19	120/70 ZR17	120/70 ZR17	3.25 x 19 in	120/70 ZR17	100/90 -19	110/70-17
Rear Tyre:	150/80-16	180/55 ZR17	180/60 ZR17	3.25 x 19 in	180/55 ZR17	140/70 -18	140/70-17
Wheelbase:	1570 mm / 61.8 in	1433 mm / 56.4 in	1485 mm / 58.5 in	1365 mm / 53.75 in	1369 mm / 53.9 in	1475 mm / 58.1 in	1380 mm / 54.3 in