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)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike
Make:	Suzuki	Yamaha	Suzuki	Suzuki	Suzuki	Suzuki
Model:	GP 125	WR 426F	GT 380M	DR 650R / S	GS 550L	GT 250M
Years:	1978-83	2001-02	1975	1990	1982	1975
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
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
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
Compression Ratio:	6.8:1	12.5:1	7.2:1	9.7:1	8.6:1	7.5:1
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
Starting:	Kick	Kick	Kick	Kick	Electric and kick	Kick
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
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
Transmission:	5-Speed, constant mesh	5 Speed	6 Speed	5 Speed	6 Speed	6-Speed
Final Drive:	Chain	Chain	Chain	Chain	Chain	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
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
Front Brakes:	Drum	Single 250mm disc	Single 275 mm disc	Single 280mm disc, 2 piston caliper	Single 275mm disc, 1 piston caliper	Single disc
Rear Brakes:	Drum	Single 245mm disc	180mm drum	Single 230mm disc, 2 piston calipers	Drum	Drum
Front Tyre:	2.75-18	80/100-21	3.00-19 4PR	90/90-21	3.25-19	2.75-18
Rear Tyre:	3.00-18	110/90-18	3.50-18 4PR	120/90-17	3.75-18	3.00-18