Yamaha XT 660X (2010) vs Yamaha XT660R (2010) vs Yamaha FZ-1 Fazer (2010) vs Yamaha TX 500 Sport (1975-76) vs Yamaha YZF 1000R Thunder ace (2002) vs Yamaha RD 350 (1975)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	XT 660X	XT660R	FZ-1 Fazer	TX 500 Sport	YZF 1000R Thunder ace	RD 350
Years:	2010	2010	2010	1975-76	2002	1975
Engine:	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, single cylinder, SOHC, 4 valve	Four stroke, transverse four cylinder, DOHC, 5 valve per cylinder	Four stole, parallel twin cylinder. DOHC	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder	Two stroke, parallel twin cylinder, reed valves
Capacity:	659 cc/ 40.2 cu-in	659 cc/ 40.2 cu-in	998 cc / 60.9 ci-in	498 cc / 30.5 cu-in	1002 cc / 61.1 cu-in	347 cc / 21.1 cu-in
Bore x Stroke:	100 x 84 mm	100 x 84 mm	77 X 53.6 mm	73 х 59.6 mm	75.5 x 56 mm	64 х 54 mm
Compression Ratio:	10: 1	10.0: 1	11.5:1	9.8:1	11.5:1	6.6:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Liquid cooled	Air cooled
Induction:	Fuel injection, 44 mm throttle body	Fuel injection, 44 mm throttle body	Fuel injection	2x 38mm Mikuni carburetor	4x 38mm Mikuni BDSR38 with TPS carbs	2, Mikuni VM28 SC
Lubrication:	Dry sump	Dry sump	Wet sump	Wet sump	Wet sump	Autolube
Ignition:	TCI	TCI	Digital TCI: Transistor Controlled Ignition with 32-bit ECU	Battery and coil	Digital TCI	Battery, dual coils, breaker points
Starting:	Electric	Electric	Electric	Electric & kick	Electric	Kick
Max Power:	33.8 kW / 48 hp @ 6000 rpm	33.8 kW / 48 hp @ 6000 rpm	146.8 hp / 108 kW @ 11000 rpm	48 hp / 36.5 kW @ 8500 rpm	145 hp / 106.7kW @ 10000 rpm	39 hp / 28.5 kW @ 7500 rpm
Max Torque:	58.4 Nm / 5.7 kgf-m @ 5250 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm	106 Nm /10.5 kgf-m / 76.7 ft-lb @ 8000 rpm	4.5 kgf-m / 32.5 lb-ft @ 6500 rpm	108.3Nm / 11kgf-m @ 8500 rpm	24.1 lb-ft / 32.6 Nm @ 7000 rpm
Transmission:	5 Speed	5 Speed	6 Speed	5 Speed	5 speed	6 Speed
Final Drive:	Chain	Chain	O-ring chain	Chain	Chain	Chain
Frame:	Steel tubular diamond frame with dual tank rails	Steel tubular diamond frame with dual tank rails	Aluminium die-cast, diamond shaped	Full cradle frame - Duplex type" and is 100% of circular steel pipes!	Aluminium, twin spar	Tubular, double cradle
Front Suspension:	43 mm Telescopic forks,	43 mm Telescopic forks,	Telescopic upside forks,	Telescopic fork.	45mm forks, adjustable preload, bump and rebound.	Telescopic forks
Rear Suspension:	Oscillating arm standard Monocross.	Oscillating arm standard Monocross. 200mm wheel travel	Link-type swingarm,	Dual shocks swing arm, preload adjustable!	Mono shock adjustable preload, bump and rebound.	Dual shocks
Front Brakes:	Single 320mm disc 4 piston caliper	Single 298mm disc 2 piston caliper	2x 320mm discs 4 piston calipers	Single 267mm disc	2x 298mm discs 4 piston calipers	Single 267mm disc 2 piston caliper
Rear Brakes:	Single 245mm disc 1 piston caliper	Single 245mm disc 1 piston caliper	Single 245mm disc 1 piston caliper	Drum	Single 245mm disc 2 piston caliper	178mm Drum
Front Tyre:	120/700-17	90/90- 21	120/70 ZR17	3.25-19	120/70 ZR17	3.00-18
Rear Tyre:	160/60-17	130/80–17	190/50 ZR17	3.50-18	180/55 ZR17	3.25-18
Seat Height:	875mm / 34.4 in	865mm / 34.1 in	815 mm / 32.1 in	812 mm / 32 in	795 mm / 31.3 in	800 mm / 31.5 in
Fuel Capacity:	15 Litres / 3.9 gal	15 Litres / 3.3 US gal	18 Litres / 4.76 gal	12.8 Litres / 3 4 gal	19 Litres / 5.0 gal	15.9 Litres / 4.2 gal