Suzuki GSX-R 400 (1986) vs Suzuki DR 650S (2015-16) vs Suzuki Boulevard C90T (2019) vs Suzuki DR 600S / R (1988-89) vs Suzuki RG 250 TV Wolf (1988-89)

Comparison technical specifications

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Make:	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki
Model:	GSX-R 400	DR 650S	Boulevard C90T	DR 600S / R	RG 250 TV Wolf
Years:	1986	2015-16	2019	1988-89	1988-89
Engine:	Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC	Four stroke, single cylinder. SOHC, 4 Valve per cylinder.	Four stroke, 54° V-twin, SOHC, 3 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Two stroke, V- twin
Capacity:	398 cc / 24.3 cu-in	644 cc / 39.3 cu in	1462 cc / 89.2 cu-in	589 cc / 35.9 cu in	249 cc / 15.2 cu in
Bore x Stroke:	53 x 45.2 mm	100 x 82 mm	96 x 101 mm	94 x 85 mm	56 x 50.6 mm
Cooling System:	Liquid cooled	Air/oil cooled	Liquid cooled	Air cooled	Liquid cooled
Compression Ratio:	11.5:1	9.5:1	9.5:1	8.5:1	7.5 :1
Induction:	2 x AS27VW carburetors	Mikuni BST40	Fuel injected	38mm Mikuni flatside carburetor	2 x Mikuni VM32SS carburetors
Ignition:	CDI	Electronic Ignition	Digital transistorized	CDI	Pointless Electrical Ignition
Starting:	Electric	Electric	Electric	Kick	Kick
Max Power:	44 kW / 59 hp @ 11000 rpm	32 kW / 43.5 hp / @ 6400 rpm (at rear tyre 27.9 kW / 37.4 hp @ 6500 rpm)	49.2 kW / 66 hp @ 4800 rpm	32 kW / 44 hp @ 6500 rpm	35.7 kW / 49 hp @ 9500 rpm
Max Torque:	39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm	54 Nm / 5.51 kg-m / 39.8 lb-ft@ 4600 rpm	115 Nm /11.7 kgf-m / 84.8 ft-lbs @ 2800 rpm	49.5 Nm / 5.04 kg-m / 36.5 lb-ft @ 5000 rpm	40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm
Transmission:	6 Speed, constant mesh	5 Speed	5 Speed	5 Speed	6 Speed, constant mesh
Final Drive:	Chain	Chain, 525 links	Shaft	Chain	Chain, DID520V2, 114 links
Frame:	Aluminum angular pipe double cradle	Steel, single cradle frame	Double cradle steel frame	Semi-double cradle	Twin spar, aluminium
Front Suspension:	Telescopic forks	Telescopic, leading axle, oil damped	Telescopic, coil springs, oil damped	39 mm Kayaba forks, air adjustable	Telescopic fork, 5-way adjustable with anti-dive, oil dampened
Rear Suspension:	Full floater swing arm, non-adjustable	Link-type, fully adjustable spring preload, gas/oil damped, adjustable compression damping	Link type, coil spring, oil damped	Single Kayaba shock, adjustable spring preload	Full Floater, mono-shock, gas/oil damped, 7-way adjustable
Front Brakes:	2 x Discs, 4 piston calipers	Single 280 mm disc, 2 piston caliper	Dual 300 mm discs, 4 piston caliper	Single 240mm disc	2 x 300 mm Discs ,4 piston calipers
Rear Brakes:	Single disc, 2 piston caliper	Single 230 mm disc, 2 piston caliper	Single 180 mm disc, 2 piston caliper	130mm Drum	Single 210 mm disc, 2 piston caliper
Front Tyre:	110/90-16	90/90-21	130/80-17M/C 65H, tubeless	100/80-21	110/70-17
Rear Tyre:	140/90-18	120/90-17	200/60-16M/C 79H, tubeless	130/80-17	14060-18
Dimensions:	Length 2090 mm / 82.3 in Width 710 mm / 28.0 in Height 1185 mm / 46.7 in	Length 2255 mm / 88.8 in Width 865 mm / 34.1 in Height 1195 mm / 47.0 in	Length: 2560 mm / 100.8 in Width: 990 mm / 39.0 in	Length 2215 mm / 87.2 in Width 875 mm / 34.4 in Height 1235 mm / 48.6 in	Length: 2015 mm / 79.3 in Width: 695 mm / 27.4 in Height: 1065 mm / 41.9 in
Wheelbase:	1425 mm / 56.1 in	1490 mm / 58.7 in	1675 mm / 65.9 in	1465 mm / 57.7 in	1375 mm / 54.1 in
Seat Height:	780 mm / 30.7 in	885 mm / 34.8 in.	720 mm / 28.3 in	925 mm / 36.4 in	755 mm / 29.7 in
Fuel Capacity:	15 Litres / 3.96 US gal / 3.3 Imp gal	13 Liter / 3.4 US gal / 2.9 Imp gal (CA model 12 Liter / 3.2 US gal / 2.6 Imp gal)	18 Litres / 4.8 US gal	21 Litres / 5.5 US gal / 4.6 Imp gal	17 Litres / 4.5 US gal / 3.7 Imp gal