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Yamaha XT 600 (1985) vs KTM 690 Duke (2015)

Comparison technical specifications


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1985 Yamaha XT 600
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2015 KTM 690 Duke
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Make: Yamaha KTM
Model: XT 600 690 Duke
Years: 1985 2015
Engine: Four stroke, single cylinder, SOHC, 4 valve Four stroke, single cylinder, SOHC, 4 valves
Capacity: 595 cc / 36.3 cu-in 690 cc / 42.1 cu in
Bore x Stroke: 95 x 84 mm 102 x 84.5 mm
Cooling System: Air/oil cooled, Liquid Cooled
Compression Ratio: 8.5:1 12.6:1
Induction: 27mm Dual stage Teikei Y 27 PV carburetor Generation Keihin EMS with EPT (Electric Power Throttle)
Ignition: CDI Kokusan DC-CDI
Battery: I2V/12Ah 12 V / 11.2 Ah
Starting: Kick Electric
Max Power: 46 hp / 34 kW @ 6000 rpm 52.2 kW / 70 hp @ 7500 rpm
Max Torque: 4.5 kgf-m / 51 Nm @ 5750 rpm 69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm
Transmission: 5 Speed 6 Speed
Final Drive: Chain Chain X-Ring 5/8 x 5/16"
Front Suspension: Telescopic air assisted WP Upside-down forks, 4357 ROMA
Front Wheel Travel: 255 mm / 10.0 in 135 mm / 5.3 in
Rear Suspension: Monoshock swing arm WP monoshock, 4618 with Pro-lever deflector
Rear Wheel Travel: 236 mm / 9.2 in 135 mm / 5.3 in
Front Brakes: Single 267mm disc Single 320 mm floating disc, radially screwed four-piston brake caliper
Rear Brakes: 150mm Drum Single 240 mm floating disc, single piston caliper
Front Tyre: 3.00-21 120/70 - ZR17 M/C 58W TL
Rear Tyre: 4.60-18 160/60 - ZR17 M/C 69W TL
Seat Height: 860 mm / 33.8 in 835 mm / 32.9 in
Ground Clearance: 260 mm / 10.2 in 192 mm / 7.6 in
Dry Weight: 137 kg 149.5 kg / 330 in
Fuel Capacity: 11 Litres 14 Litres / 3.7 US gal / 3.1 Imp gal
Consumption Average: 61 mpg 4.2 L/100 km / 23.9 km/l / 56.2 US mpg / 67.5 Imp mpg
Top Speed: 100 mph / 160 km/h 202.9 km/h / 126 mph