Yamaha FZR750 OWO1 (1990)

The Yamaha FZR750 OWO1 is a motorcycle model from 1990 that boasts a four-stroke transverse four-cylinder engine with 5 valves per cylinder and a capacity of 749cc. The bike features a liquid-cooled cooling system, wet sump lubrication, and a 10W/40 engine oil. The induction system consists of 4X 38mm Mikuni carbs, and the ignition is transistor controlled digital. The Yamaha FZR750 OWO1 has a maximum power output of 121 hp at 12000 rpm and a max torque of 7.2 kgf-m at 9000 rpm. The bike comes with a 6-speed transmission, chain final drive, and an aluminum twin-spar frame. The front suspension features 43mm telescopic preload forks with compression and rebound damping adjustment, while the rear suspension is an Ahlins Monocross with preload compression and rebound damping adjustment. The bike’s front brakes consist of 2x 280mm discs and 4 piston calipers, while the rear brakes have a single 177mm disc and 2 piston caliper. The Yamaha FZR750 OWO1 weighs 187 kg dry and has a fuel capacity of 23 liters. It has an average fuel consumption of 16.2 km/lit and a top speed of 257.8 km/h. The Yamaha FZR750 OWO1 has been compared in road tests against the Honda RC30 and other models.

---

Technical specifications:

Make Model: Yamaha FZR 750RR OWO1

Year: 1990

Engine: Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.

Capacity: 749 cc / 45.7 cu-in

Bore x Stroke: 72 x 46 mm

Cooling System: Liquid cooled,

Compression Ratio: 11.2:1

Lubrication: Wet sump

Engine Oil: 10W/40

Exhaust: Alloy muffler

Induction: 4X 38mm Mikuni carbs

Ignition: Transistor controlled digital

Spark Plug: NGK, DR8ES-L

Starting: Electric

Max Power: 121 hp / 88.3 kW @ 12000 rpm

Max Power Rear Tyre: 108.8 hp @ 12500 rpm

Max Torque: 7.2 kgf-m / 69,6 Nm @ 9000 rpm

Clutch: Wet, multiple discs, cable operated

Transmission: 6 Speed

Final Drive: Chain

Frame: Aluminium, twin spar

Front Suspension: 43mm Telescopic preload forks, compression and rebound damping adjustment,

Rear Suspension: ~Ahlins Monocross preload compression and rebound damping adjustment,

Front Brakes: 2x 280mm discs 4 piston calipers

Rear Brakes: Single 177mm disc 2 piston caliper

Front Tyre: 120/70-ZR17

Rear Tyre: 170/60-ZR17

Dry Weight: 187 kg / 412 lbs

Wet+ Weight: 215 kg / 474 lbs

Fuel Capacity: 23 Litres / 5.2 US gal

Consumption Average: 16.2 km/lit

Braking 60 – 0 / 100 – 0: 12.7 m / 35.3 m

Standing 1/4 Mile: 10.7 sec / 205.8 km/h

Top Speed: 257.8 km/h / 160.1 mph

Road Test: Bike Magazine Moto.Revue 1989 Motorrad YB4 vs FZR750R Motosprint Group Test 1990 Performance Bike Yamaha OWO1 vs Honda RC30