Suzuki XN 85D Turbo (1984) vs Yamaha XT 660X (2009)

Comparison technical specifications

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Make:	Suzuki	Yamaha
Model:	XN 85D Turbo	XT 660X
Years:	1984	2009
Engine:	Four-stroke, transverse four cylinder, turbocharged, DOHC, 2 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valve
Capacity:	673 cc / 41.1 cu in	659 cc/ 40.2 cu-in
Cooling System:	Air-cooled	Liquid cooled
Bore x Stroke:	62 x 55.8 mm	100 x 84 mm
Compression Ratio:	7.4:1	10: 1
Induction:	Nippondenso electronic fuel injection	Fuel injection, 44 mm throttle body
Ignition:	Transistorize	TCI
Starting:	Electric	Electric
Max Power:	62 kW / 85 hp @ 8000 rpm	33.8 kW / 48 hp @ 6000 rpm
Max Torque:	76.4 Nm / 7.8 kgf-m / 56.4 lb-ft @ 6500 rpm	58.4 Nm / 5.7 kgf-m @ 5250 rpm
Clutch:	Wet, multi-plate	Wet, multiple-disc coil spring
Transmission:	5 Speed	5 Speed
Final Drive:	530 chain, 39/16	Chain
Front Suspension:	37mm Kayaba shocks, adjustments for spring preload, anti-dive	43 mm Telescopic forks,
Front Wheel Travel:	150 mm / 5.9 in	225 mm / 8.8 in
Rear Suspension:	Suzuki Full Floater, one Kayaba damper, 1 adjustment for spring preload	Oscillating arm standard Monocross.
Rear Wheel Travel:	106 mm / 4.2 in	200 mm / 7.9 in
Front Brakes:	2 x 290mm Discs, 2 piston calipers	Single 320mm disc 4 piston caliper
Rear Brakes:	Single 265mm disc, 1 piston caliper	Single 245mm disc 1 piston caliper
Front Tyre:	100/90 H16 Michelin A48	120/700-17
Rear Tyre:	120/90 H17 Michelin M48	160/60-17
Dimensions:	Length: 2160 mm / 85.0 in Width: 750 mm / 30.0 in	Height 1170 mm / 461 in Length 2175 mm / 85.6 in Width: 860 mm / 33.9 in
Wheelbase:	1486 mm / 58.5 in	1505 mm / 59.3 in
Seat Height:	762 mm / 30.0 in	875mm / 34.4 in
Dry Weight:	218 kg / 479 lbs	173 kg / 318.4 lbs
Wet Weight:	250 kg / 551 lb lbs	186 kg / 410.1 lbs
Fuel Capacity:	20 Litres / 5.3 US gal / 4.4 Imp gal	15 Litres / 3.9 gal