| MODEL | YAMAHA RZ 500 / RZV 500 YPVS 1984 - 1986 |
| Year | 1984 - 1986 |
| Engine Type | Two-stroke, 50-degree V4, reed valve, YPVS power valves |
| Displacement / Capacity | 499 cc / 30.3 cu in |
| Bore X Stroke | 56.4 x 50 mm |
| Compression Ratio | 6.6:1 |
| Cooling System | Liquid cooled |
| Max Power | 63.9 kW / 88 hp @ 9500 rpm |
| Max Torque | 6.9 kgf-m @ 8500 rpm |
| Ignition | Digital CDI |
| Induction | 4 x 26 mm Mikuni carburettors |
| Start System | Kick |
| TRANSMISSION SPECS | |
| Lubrication | Autolube |
| Gear Box | 6-speed |
| Clutch | Wet multiplate, cable operated |
| Final Drive | Chain |
| CHASSIS SPECS | |
| Frame | Steel twin downtube |
| Front Suspension | 37 mm air-assisted telescopic forks, adjustable preload and anti-dive, 140 mm / 5.5 in travel |
| Rear Suspension | Monoshock, preload and rebound damping, 120 mm / 4.7 in travel |
| Front Brakes | 2 x 267 mm discs, 2-piston calipers |
| Rear Brakes | Single 245 mm disc, 2-piston caliper |
| DIMENSION SPECS | |
| Overall Length | 2085 mm / 82.1 in |
| Overall Width | 705 mm / 27.7 in |
| Overall Height | 1145 mm / 45.0 in |
| Seat Height | 780 mm / 30.7 in |
| Wheelbase | 1375 mm / 54.1 in |
| Ground Clearance | — |
| Dry Weight | 180 kg / 397 lb |
| Wet Weight | — |
| WHEEL SPECS | |
| Front Tyre | 120/80 V16 |
| Rear Tyre | 130/80 V18 |
| FUEL SYSTEM | |
| Fuel Capacity | 22 Litres / 5.8 US gal |
| Fuel Consumption | 27.5 mpg |
| Top Speed | 238 km/h / 148 mph |
A road-going two-stroke V4 derived from Yamaha's OW grand prix racer, with a balancer shaft, power-valve exhaust timing and weight-saving details such as magnesium covers. Launched in 1984, it was the last word in 1980s two-stroke road bikes. Sold as RD500LC in Europe, RZ500 in Canada and Australia, and RZV500R in Japan.
