Suzuki GP 125 (1978-83) vs Yamaha WR 426F (2001-02) vs Suzuki GT 380M (1975) vs Suzuki DR 650R / S (1990) vs Suzuki GS 550L (1982) vs Suzuki GT 250M (1975) vs Suzuki GT 380A (1976) vs Suzuki GSX-R 600 (2013) vs Suzuki GSX-R 400 (1987)

Comparison technical specifications

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Make:	Suzuki	Yamaha	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki	Suzuki
Model:	GP 125	WR 426F	GT 380M	DR 650R / S	GS 550L	GT 250M	GT 380A	GSX-R 600	GSX-R 400
Years:	1978-83	2001-02	1975	1990	1982	1975	1976	2013	1987
Engine:	Two stroke, single cylinder, rotary disc valve	Four stroke, single cylinder, DOHC, 5 valve	Two stroke, transverse three cylinder	Air/oil cooled, four stroke, single cylinder. SOHC, 4 Valve per cylinder.	Four stroke, transverse four cylinders, DOHC, 2 valves per cylinder.	Two stroke, parallel twin	Two stroke, transverse three cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC
Capacity:	123 cc / 7.5 cu in	449 cc / 25.9 cu-in	371 cc / 22.6 cu in	640 cc / 39 cu in	549 cc / 33.5 cu in	247 cc / 15.1 cu in	371 cc / 22.6 cu in	599 c / 36.6 cub. in.	398 cc / 24.3 cu-in
Bore x Stroke:	56 x 50 mm	95 x 60.1 mm	54 x 54 mm	95 x 90.4 mm	56 x 55.8 mm	54 х 54 mm	54 x 54 mm	67.0 x 42.5 mm	53 x 45.2 mm
Compression Ratio:	6.8:1	12.5:1	7.2:1	9.7:1	8.6:1	7.5:1	7.2:1	12.9:1	11.5:1
Induction:	Mikuni flatside carburetor	39mm Keihin FCR39H carburetor	3 x 24mm Mikuni carburetors	40 mm Flat side BST40 Mikuni	4 x VM22SS Mikuni carburetors	2 x Mikuni 26 mm carburetors	3 x 24mm Mikuni carburetors	EFI, Four 40 mm throttle bodies, 2 valves per body. S-DMS engine management system	2 x AS27VW carburetors
Starting:	Kick	Kick	Kick	Kick	Electric and kick	Kick	Kick	Electric	Electric
Max Power:	11.2 kW / 15 hp @ 8500 rpm	58.1 hp / 42.4 kW @ 9000 rpm	27.7 kW / 38 hp @ 7500 rpm	32.8 kW / 45 hp @ 6800 rpm (at rear wheel 30.6 kW / 41.1hp @ 6500 rpm )	35.8 kW / 49 hp @ 9000 rpm	22.4 kW / 30 hp @ 8000 rpm	27.7 kW / 38 hp @ 7500 rpm	93.2 kW / 125 hp @ 13500 rpm with maximum RAM air	44 kW / 59 hp @ 11000 rpm
Max Torque:	12.7 Nm / 1.3 kgf-m / 9.4 lb-ft @ 7500 rpm	49 Nm @ 7000 rpm	38 Nm / 3.9 kgf-m / 28 lb-ft @ 6000 rpm	57 Nm / 5.1 kgf-m / 42.0 lb-ft @ 5000 rpm	42 Nm 4.3 kgf-m / 31 lb-ft @ 7500 rpm	27.5 Nm / 2.8 kgf-m / 20.3 lb-ft @ 7000 rpm	38 Nm / 3.9 kgf-m / 28 lb-ft @ 6000 rpm	67.7 Nm / 6.9 kgf-m / 49.9 ft-lb @ 11500 rpm, RAM air	39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm
Transmission:	5-Speed, constant mesh	5 Speed	6 Speed	5 Speed	6 Speed	6-Speed	6 Speed	6 Speed, constant mesh	6 Speed, constant mesh
Final Drive:	Chain	Chain	Chain	Chain	Chain	Chain	Chain	#525 Chain, 114 links	Chain
Front Suspension:	Telescopic fork, oil dampened	46mm Kayaba inverted telescopic forks compression and rebound damping adjustable	Telescopic fork, oil dampened	Telescopic fork	Telescopic fork, oil damped	Telescopic fork	Telescopic fork, oil dampened	Showa Big Piston front-Fork (BPF)	Telescopic forks
Rear Suspension:	Swingarm, twin shocks, coil springs	Fully adjustable Kayaba single shock, 315mm wheel travel, separate high and low speed compression adjustment.	Dual shocks, springs, 5-way adjustable	Full Floater swingarm, single shock, gas/oil damped	Twin shocks, coil over, 5-way adjustable springload	Twin shocks, springs	Dual shocks, springs, 5-way adjustable	Link type, coil spring, oil damped	Full floater swing arm, non-adjustable
Front Brakes:	Drum	Single 250mm disc	Single 275 mm disc	Single 280mm disc, 2 piston caliper	Single 275mm disc, 1 piston caliper	Single disc	Single 275 mm disc	2 x 310 mm Discs, Brembo 4 piston calipers	2 x Discs, 4 piston calipers
Rear Brakes:	Drum	Single 245mm disc	180mm drum	Single 230mm disc, 2 piston calipers	Drum	Drum	180mm drum	Single 220 mm disc, Nissin 2 piston caliper	Single disc, 2 piston caliper
Front Tyre:	2.75-18	80/100-21	3.00-19 4PR	90/90-21	3.25-19	2.75-18	3.00-19 4PR	120/70 ZR17	110/90-16
Rear Tyre:	3.00-18	110/90-18	3.50-18 4PR	120/90-17	3.75-18	3.00-18	3.50-18 4PR	180/55 ZR17	140/90-18