Yamaha DT 125RE (1998) vs Yamaha XJ 900R Seca (1983-84) vs Yamaha MT-01 (2007-08) vs Yamaha YZF1000 R1 (1999) vs Yamaha WR 450F (2007-08) vs Yamaha FJR 1300A (2007)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	DT 125RE	XJ 900R Seca	MT-01	YZF1000 R1	WR 450F	FJR 1300A
Years:	1998	1983-84	2007-08	1999	2007-08	2007
Engine:	Two stroke, single cylinder, reed-valve	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Four stroke, 48° V-Twin cylinder, SOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.	Four stroke, single cylinder, DOHC, 5 titanium valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	123 cc / 7.5 cu-in	853 cc / 52 cu-in	1670 cc / 101.9 cu-in	998 cc / 60.9 cu-in	449 cc / 27.4 in	1298 cc / 79.2 cu-in
Bore x Stroke:	56 X 50 mm	67 х 60.5 mm	97 x 113 mm	74 x 58 mm	95 x 63.4 mm	79 x 66.2 mm
Compression Ratio:	6.8:1	9.2:1	8.36:1	11.8:1	12.5:1	10.8:1
Induction:	Mikuni 28 SS	4x 35mm Mikuni carburetor	Twin-bore fuel injection (FI)	4 x 40mm Mikuni CV Downdraft carburetors	39mm Keihin FCR flat-slide throttle position sensor	Electronic Fuel Injection
Ignition:	CDI	CDI	Digital TCI	Digital TCI	Digital CDI	TCI (Transistor Controlled Ignition)
Starting:	Kick	Electric	Electric	Electric	Electric / Kick-starter	Electric
Max Power:	14.7 / 10.8 kW @ 7000 rpm	97 hp / 70.8 Nm @ 9000 rpm	66.3 kW / 90 hp @ 4750 rpm	148.8 hp / 109.5 kW @ 10000 rpm	58 hp / 42.3 kW @ 9000 rpm	145 hp / 105.7 kW @ 8500 rpm
Max Torque:	1.7 kgf-m / 16.3 Nm @ 7000 rpm	80.2 Nm / 59.3 lb-ft @ 5000 rpm	150.1Nm / 110.7lb-ft @ 3750rpm	11.0 kgf-m / 108.3 Nm @ 8500 rpm	49 Nm / 33.1 lb-ft @ 7000 rpm	125 Nm / 13.7kgf-m @ 6000 rpm
Clutch:	Wet multiplate	Wet, 5 springs	Wet, multiple-disc	Wet, multiple discs, cable operated	Wet, multiple discs, cable operated	Wet, multiple discs, cable operated
Transmission:	6 speed	5 Speed	5 Speed	6 Speed	5 Speed	5 Speed
Final Drive:	Chain	Shaft	Chain	Chain	"O" ring Chain	Shaft
Front Suspension:	41mm Telescopic forks	Air assisted telescopic forks,	Inverted telescopic fork;	41mm inverted telescopic forks	46mm Kayaba inverted telescopic fork, compression and rebound damping adjustable	48mm upside-down telescopic fork w/adjustable preload, compression and rebound damping
Rear Suspension:	Monocross linkage	Twin strut gas assisted, 5 spring preload and 12 damping adjustable,	Swingarm with fully adjustable single shock;	Truss-type Aluminium swinging arm Monocross system	Fully adjustable Kayaba single shock, 315mm wheel travel, separate speed compression adjustment	Single shock, link-type, w/adjustable preload and rebound damping
Front Brakes:	Single 230mm disc	2x 254mm discs	2x 320 mm discs 4 piston calipers	2 x 298mm discs 4 piston calipers	Single 250mm disc 4 piston caliper	2x 320mm discs 4 piston calipers
Rear Brakes:	Single 220mm disc	Single 254mm disc	Single 267 mm disc 1 piston caliper	Single 256mm disc 2 piston caliper	Single 245mm disc 2-piston caliper	Single 283mm disc 2 piston caliper
Front Tyre:	80/90 -21	100/90-18	120/70 ZR18	120/70 ZR17	80/100-21	120/70 ZR17
Rear Tyre:	110/80 -18	120/90-18	190/50 ZR17	190/50 ZR17	110/100-18	180/55 ZR17
Wheelbase:	1415 mm / 55.7 in	1480 mm / 58.2 in	1525 mm / 60.0 in	1395 mm / 54.9 in	1485 mm / 58.5 in	1544.3 mm / 60.8 in
Seat Height:	885 mm / 34.8 in	780mm / 30.7 in	825 mm / 32.5 in	813 mm / 32.3 in	998 mm / 39.3 in	805 mm - 825.5 mm / 31.7 in - 32.5 in.
Ground Clearance:	270 mm / 10.6 in	145mm / 5.7 in	140 mm / 5.5 in	140 mm / 5.5 in	365 mm / 14.3 in	130 mm / 5.1 in.
Fuel Capacity:	10 Litres / 2.2 gal	22 Litres / 5.8 US gal	15 Litres / 3.2 gal	18 Litres / US 4.7 gal	8 Liters / 2.1 US gal	25 Liters / 6.6 gal