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Yamaha YZF-R 125 WGP 50th Anniversary (2012) vs Kawasaki GPz 1100-B2 / Z 1100GP (1982) vs Yamaha FZ-6S Fazer (2009)

Comparison technical specifications


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2012 Yamaha YZF-R 125 WGP 50th Anniversary
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1982 Kawasaki GPz 1100-B2 / Z 1100GP
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2009 Yamaha FZ-6S Fazer
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Make: Yamaha Kawasaki Yamaha
Model: YZF-R 125 WGP 50th Anniversary GPz 1100-B2 / Z 1100GP FZ-6S Fazer
Years: 2012 1982 2009
Engine: Four stroke, single cylinder, SOHC, 4 valve Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder. Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.
Capacity: 124 cc / 7.6 cu-in 1089 cc / 66.4 cu-in 599 cc / 36.5 cu-in
Bore x Stroke: 52 × 58.6 mm 72.5 x 66 mm 65.5 x 44.5 mm
Cooling System: Liquid cooled Air cooled Liquid cooled
Compression Ratio: 10.4:1 8.9:1 12.2:1
Induction: Fuel Injection Bosch electronic fuel injection Group injection type fuel injection, 36mm Funnel diameter
Ignition: TCI Electronic, CDI TCI Digital CDI
Starting: Electric Electric Electric
Max Power: 12.6 kW / 17 hp @ 8500 rpm 108 hp / 81 kW @ 8000 rpm 98 hp / 72 kW @ 12000 rpm
Max Torque: 15 Nm / 1.25 kg-m @ 7500 rpm 95.1 Nm / 70.2 lb-ft @ 7000 rpm 63.1 Nm / 6.4 kgf-m @ 10000 rpm
Transmission: 6 Speed 5 Speed 6 Speed
Final Drive: Chain Chain Chain
Frame: Delta box Steel cradle design Aluminium, twin spar
Front Suspension: Telescopic forks Telescopic coil/air spring forks 43mm Telescopic fork,
Front Wheel Travel: 130 mm / 5.1 in 138 mm / 5.4 in 130 mm / 5.1 in
Rear Suspension: Swinging arm Swinging arm with 2 dampers adjustable for preload and damping Swingarm Link less type Monocross
Rear Wheel Travel: 125 mm / 4.9 in 99 mm / 3.9 in 120 mm / 4.7 in
Front Brakes: Single 292mm disc 2x 270mm discs 1 piston calipers 2x 298 mm discs
Rear Brakes: Single 230mm disc Single 270mm disc 1 piston caliper Single 245 mm disc
Front Tyre: 90/80 -17 3.25-18 120/70 ZR17
Rear Tyre: 130/70 -17 4.25-18 180/55 ZR17
Wheelbase: 1355 mm / 53.3 inc 1540 mm / 60.6 in 1440 mm / 56.7 in
Seat Height: 810 mm / 31.8 in 780 mm / 30.8 in 795 mm / 31.3 in
Dry Weight: 127 kg / 279 lbs 237.3 kg / 521 lbs 186 kg / 410 lbs - ABS 191 kg / 421 lbs
Fuel Capacity: 13.8 Litres / 3.6 gal 21.4 Litres / 5.5 US gal 19 Litres / 5.0 US gal