Yamaha XT 600Z Ténéré 3AJ (1990) vs Yamaha TDR 125 (1989-92) vs Suzuki GN 250 (1988-92) vs Suzuki GSX 400X Impulse (1986-87) vs Yamaha FZR 400R (1988) vs Suzuki RG 400 Walter Wolf (1986-87)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Suzuki	Suzuki	Yamaha	Suzuki
Model:	XT 600Z Ténéré 3AJ	TDR 125	GN 250	GSX 400X Impulse	FZR 400R	RG 400 Walter Wolf
Years:	1990	1989-92	1988-92	1986-87	1988	1986-87
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Two stroke, single cylinder	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Two stroke, square four cylinder, rotary valve with exhaust port valves
Capacity:	595 cc / 36.3 cu-in	124 cc / 7.6 cu-in	249 cc / 15.2 cu in	399 cc / 24.3 cu in	399 cc / 24.3 cu-in	397 cc / 24.2 cu in
Bore x Stroke:	95 x 84 mm	56 x 50.7 mm	72 x 61.2 mm	52 x 47 mm	56 x 40.5 mm	50 x 50.6 mm
Compression Ratio:	8.5:1	6.6:1	8.9:1	11.8:1	12.2:1	7.0:1
Induction:	27mm Dual stage Teikei Y 27 PV carburetor	28mm Mikuni TM carburetor	34mm Mikuni carburetor	4 x 29 mm carburetors	Carburetor	4 x 28 mm Mikuni VM28SH Flatslide carburetors
Ignition:	CDI	Electronic	Analog CDI	Transistorised	Analogue CDI (Capacitive Discharge Ign.)	Suzuki PEI
Max Power:	46 hp / 34 kW @ 6000 rpm	25 hp / 18.6 kW @ 9500 rpm	16.4 kW / 22 hp @ 8500 rpm	43 kW / 59 hp @ 12000 rpm	60 hp / 440 kW @ 12500 rpm	43.1 kW / 59 hp @ 9000 rpm
Max Torque:	4.5 kgf-m / 51 Nm @ 5750 rpm	2.1 kgf-m / 15.1 lb-ft @ 9500 rpm	19 Nm / 1.94 kgf-m / 14.0 lb-ft @ 6500 rpm	37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm	4.0 kgf-m @ 9500 rpm	48 Nm / 4.9 kgf-m / 35.4 lb-ft @ 8500 rpm
Transmission:	5 Speed	6 Speed	5 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	520 Chain, 106 link	Chain	Chain	Chain	Chain	Chain
Front Suspension:	Telescopic forks.	38mm Telescopic forks	Telescopic fork	Telescopic forks	41mm Telescopic forks	Air adjustable fork with 38mm tubes, adjustable spring preload and anti dive valuing.
Rear Suspension:	Rising-rate oil/gas monoshock adjustable for preload and rebound	Monoshock with 5-way adjustable preload	Dual shocks, 5-way preload	Dual shocks preload adjustable.	Monoshock single shock preload adjustable.	Full floating system, shock absorber, adjustable for spring preload
Front Brakes:	Single 267mm disc	Single 282mm disc 2 piston caliper,	Single disc	2 x 290 mm Discs, 2 piston calipers	2x 298mm discs 2 piston calipers	2 x 260 mm Discs, 4-piston calipers
Rear Brakes:	Single 220mm disc	Single 220mm disc 1 piston caliper.	Drum	Single disc, 1 piston caliper	Single 210mm disc 2 piston caliper-	Single 210 mm disc, 2-piston caliper
Front Tyre:	3.00 S21	100/90-18	3.00-18	110/80-17	110/70 VR17	110/90 V16
Rear Tyre:	120/80 S18	130/80-17	4.60-16	130/80-17	140/60 VR18	120/90 V17
Dry Weight:	165 kg / 363.7 lbs	135 kg / 297.6 lbs	129 kg / 284 lbs	153 kg / 337 lbs	160 kg / 352 lbs	154 kg / 340 lbs
Fuel Capacity:	23 Litres / 6.0 US gal	11 Litres / 2.9 US gal	10.3 Litres / 2.7 US gal / 2.3 Imp gal	18 Litres / 4.8 US gal / 4.0 Imp gal	15 Litres / 3.9 gal	22 Litres / 5.8 US gal / 4.8 Imp gal