Yamaha YZF 600R Thundercat (1998) vs Yamaha TDM 850 (1999-01) vs Yamaha FZS 600 Fazer (1998-99) vs Yamaha XJ 750D-II (1983) vs Yamaha RD 350N (1983) vs Yamaha TW 225E Anniversery Special Editon (2007) vs Yamaha YZF-600 R6 (1999)

Comparison technical specifications

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Make:	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha	Yamaha
Model:	YZF 600R Thundercat	TDM 850	FZS 600 Fazer	XJ 750D-II	RD 350N	TW 225E Anniversery Special Editon	YZF-600 R6
Years:	1998	1999-01	1998-99	1983	1983	2007	1999
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Liquid cooled, four -stroke, parallel twin cylinder, DOHC, 5 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.	Two stroke, parallel twin cylinder	Four stroke, single cylinder, SOHC, 2-valve	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity:	599 cc / 36.5 cu-in	849 cc / 51.8 cu-in	599 cc / 36.5 cu-in	749 cc / 45.6 cu-in	347 cc / 21.1 cu-in	223	599 cc / 36.5 cu-in
Bore x Stroke:	62 x 49.6 mm	89.5 x 67.5 mm	62 x 49.6 mm	65 х 56.4 mm	64 х 54 mm	70 X 58mm	65.5 x 44.5 mm
Compression Ratio:	12.0:1	10.5:1	12.0:1	9.2:1	6.2 :1	9.5:1	12.4:1
Induction:	4 x 36 mm Keihin CV downdraft carburetors	2 x Mikuni BDSR38 carburetors	4x 38mm Mikuni BDSR carburetors	Injection	2x 26mm Mikuni slide-needle carburetor	34mm Mikuni	4x 37mm Keihin CV Downdraft
Ignition:	Digital TCI	Digital TCI	CDI Digital	Transistorized	Flywheel magneto CDI	CDI	Digital TCI
Max Power:	72.9 kW / 100 hp @ 11500 rpm	77 hp / 56.1 kW @ 7500 rpm (rear tyre 75 hp @ 7500 rpm )	95 hp / 69.3 kW @ 11500 rpm (83.8hp @ 11.000rpm)	70 hp / 52 kW @ 9000 rpm	59 hp / 43.9 kW @ 9000 rpm	NA	120 hp / 87.5 kW @ 13000 rpm
Max Torque:	65.7 Nm / 6.7 kgf-m / 48.7 lb-ft @ 9500 rpm	80.4 Nm / 59.2 lb-ft @ 6000 rpm	61.2 Nm / 45.8 lb-ft @ 9500 rpm	6.2 kgf-m @ 7000 rpm	40.2 Nm / 4.1 kgf-m / @ 8000 rpm	NA	68.5 Nm / 50.5 lb-ft @ 12000 rpm
Final Drive:	530 O-ring chain OEM sprocket sizes per tooth Front= 15 Back= 47	Chain	Chain	Shaft	Chain	Chain	Chain
Front Suspension:	41 mm telescopic fork adjustable preload, compression and rebound damping	Conventional 43mm forks, adjustable preload: rebound damping	41mm adjustable. forks preload adjustable	Telescopic forks	32mm stanchion tube forks	Telescopic fork: 226mm wheel travel	43mm inverted telescopic forks, preload, compression and rebound damping adjustable.
Rear Suspension:	Monoshock adjustable preload, bump and rebound	Single De Carbon shock, adjustable preload: rebound damping	Monoshock: adjustable preload	Swing arm	Single shock cantilever 5-way adjustable spring preload	Swingarm rebound adjustable. single shock, 145mm.wheel travel	Single shock, piggyback reservoir and adjustable preload, compression and rebound damping adjustable.
Front Brakes:	2x 300 mm Discs, 4 piston calipers	2 x 298mm discs 4 piston calipers	2x 298mm discs 4 piston calipers	2x Discs	2x 267mm disc 1 piston caliper	Single 220mm disc	2x 298mm discs 4 piston calipers
Rear Brakes:	Single 245mm disc, 2 piston caliper	Single 245mm disc 2 piston caliper	Single 245mm disc 2 piston caliper	Drum	Drum	110mm drum	Single 220mm disc 2 piston caliper
Front Tyre:	120/60-17	110/80 ZR18	110/70-17	3.25H19-4PR (100/90R19 57H) Tubeless	3.00-18	130/80-18	120/60 ZR17
Rear Tyre:	160/60-17	150/70 ZR17	160/60-17	120/90-18 Tubeless	3.50-18	180/80-14	180/55 ZR17
Dry Weight:	189 kg / 417 lbs	201kg / 449.7 lbs	189 kg / 416.6 lbs	231kg / 509 lbs	NA	120 kg	167.5 kg / 369.3 lbs
Fuel Capacity:	19 Litres / 5.0 US gal / 4.2 Imp gal	20 Litres / 5.2 US gal	18 Litres / 4.7 US gal		16.5 Liters / 4.3 US gal	7 Litres	17 Litres / 4.5 gal