Kawasaki Z2 750RS (1978)

Posted on by

The Kawasaki Z 750 Twin from 1978 is a four-stroke, parallel twin-cylinder motorcycle with a 745 cc engine. It has a compression ratio of 8.5:1 and is air-cooled with a wet sump lubrication system. The bike features 2x 38 mm Mikuni carburetors and an ignition system powered by a battery and coil. The engine produces a maximum power of 41 kW / 55 hp at 7,000 rpm and a maximum torque of 60.8 Nm / 6.2 kg-fm / 44.8 ft.lbs at 3,000 rpm. The transmission is five-speed, with gear ratios of 1st 13.75 / 2nd 9.62 / 3rd 7.50 / 4th 6.14 / 5th 5.25:1, and drive is chain. The suspension consists of a telehydraulic fork at the front and a swinging fork at the rear, with 146 mm / 5.7 in. and 95 mm / 3.7 in. of wheel travel, respectively. Brakes are single disc, with a 250 mm disc at the front and a 230 mm disc at the rear. The bike’s dry weight is 230 kg / 507 lbs, and its fuel capacity is 14.5 Litres / 3.8 US Gal, with average fuel consumption of 5.1 L/100 km19.6 km/l / 46 US mpg. Finally, it can achieve a standing 1/4 mile time of 14.13 seconds with a top speed of 157.8 km/h / 98.1 mph.

Technical specifications:

Make Model: Kawasaki Z 750 Twin

Year: 1978


Engine: Four stroke, parallel twin cylinder, 2 valve per cylinder.
Capacity: 745 cc / 54.45 cu-in
Bore x Stroke: 78 78 mm
Cooling System: Air cooled
Compression Ratio: 8.5:1
Lubrication: Wet sump
Induction: 2x 38 mm Mikuni carburetors
Ignition: Battery, coil
Starting: Electric & kick
Max Power: 41 kW / 55 hp @ 7000 rpm
Max Torque: 60.8 Nm / 6.2 kg-fm / 44.8 ft.lbs @ 3000 rpm
Transmission: 5 Speed
Gear Ratios: 1st 13.75 / 2nd 9.62 / 3rd 7.50 / 4th 6.14 / 5th 5.25:1
Drive: Chain
Front Suspension: Telehydraulic fork

Front Wheel Travel: 146 mm / 5.7 in.
Rear Suspension: Swinging fork
Rear Wheel Travel: 95 mm / 3.7 in.
Front Brakes: Single disc, 250 mm
Rear Brakes: Single disc, 230 mm
Front Tyre: 3.25H-19
Rear Tyre: 4.00H-18
Dry-Weight: 230 kg / 507 lbs
Fuel Capacity: 14.5 Litres / 3.8 US gal
Oil Capacity: 2 Litres / 4.2 US pt
Consumption Average: 5.1 L/100 km19.6 km/l / 46 US mpg
Standing 1/4 mile: 14.13 sec / 157.8 km/h / 98.1 mph

Related models: