Kawasaki Z650C (1979)

The Kawasaki Z650 Custom/KZ650C is a four-stroke, air-cooled motorcycle that was produced in 1979. It has a transverse four-cylinder engine with 2 valves per cylinder and a capacity of 652cc. The bike has 4x 28mm Mikuni carburetors for induction and a battery & coil for ignition. It can be started using both electric and kick methods. The maximum power output of the Z650 Custom is 66hp/48.2kW at 8500rpm, with 5.8kgf-m/57Nm of torque at 7000rpm. The bike has a wet, multi-plate clutch and a 5-speed transmission, with a chain final drive. It has a steel twin loop cradle frame and telescopic forks for front suspension, with a swinging arm for rear suspension. The front has 2X 231mm discs for brakes, while the rear has a single 220mm disc. The Z650 Custom has a 27o rake and 106mm/4.2in trail, with a wheelbase of 1437mm/56.6in. The seat height is 800mm/31.5in and the ground clearance is 152mm/6.0in. The wet weight of the bike is 237kg/522.4lbs and the fuel capacity is 16.5 litres/4.3 US gallons.

Technical specifications:

Make Model: Kawasaki Z 650 Custom / KZ650C

Year: 1979

Engine: Four stroke, transverse four cylinder, DOHC, 2 valves per cylinder.
Capacity: 652 cc / 39.7 in
Bore x Stroke: 62 54 mm
Cooling System: Air cooled
Compression Ratio: 9.5:1
Lubrication: Dry sump
Oil Capacity: 7.4 US pint
Induction: 4x 28mm Mikuni carburetors
Ignition: Battery & coil
Battery: 12V-10AH
Starting: Electric & kick
Max Power: 66 hp / 48.2 kW @ 8500 rpm
Max Torque: 5.8 kgf-m / 57 Nm @ 7000 rpm
Clutch: Wet, multi-plate
Transmission: 5 Speed

Final Drive: Chain
Gear Ratio: 1st 15.63:1 2nd 10.93:1 3rd 8.52:1 4th 6.97:1 5th 5.97:1
Frame: Steel twin loop cradle
Front Suspension: Telescopic forks
Rear Suspension: Swinging arm
Front Brakes: 2X 231mm discs
Rear Brakes: Single 220mm disc
Front Tyre: 3.25-19
Rear Tyre: 4.00-18
Rake: 27 o
Trail: 106 mm / 4.2 in
Wheelbase: 1437 mm / 56.6 in
Seat Height: 800mm / 31.5 in
Ground Clearance: 152 mm / 6.0 in
Wet Weight: 237 kg / 522.4 lbs
Fuel Capacity: 16.5 Litres / 4.3 US gal

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