Yamaha RD500 LC 1985
Stock # AMGP702
499cc – V4
88 hp – 9500 rpm
2Strokes – 216 KG
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499cc – V4
88 hp – 9500 rpm
2Strokes – 216 KG
Information & Specifications
- Yamaha RD500
- Engine: Yamaha
- Suspension: Standard
- Brakes: Disk
- Wheels: Standard
- Mileage: 19.497 Km – (fully restored)
- Registered: Registered in Europe + Bill of sale
- Availability: in our store of Barcelona (Spain)
Bike in correct and ready for the road. It was serviced and only used for display on the particular garage of the current owner. We deliver the bike with bill of sale and spanish paperwork.
The Yamaha RD500LC is a high-performance, two-stroke sports motorcycle, also known as the RZ500 in Canada and Australia. Produced for a short period it has become a sought after collector’s machine.
The RD500LC (Race Developed 500CC Liquid Cooled motorcycle) uses a 50-degree, twin-crankshaft V4 engine layout. Linked Yamaha YPVS exhaust power valves are controlled by a single electronic unit and servo motor and are designed to give a broader power band. The engine also features intake reed valves unlike the YZR500 racer which used rotary disc valve induction. The reed valves use two different intake arrangements, the lower cylinders are fed through crankcase mounted reeds; the upper pair use cylinder barrel mounted reeds. The four Mikuni carburettors are side mounted in pairs and feed each cylinder through 90 degree intake manifold. The lower expansion chambers exit normally but the upper pipes cross over each other just behind the exhaust ports to maintain the correct tuned length.
The frame of the RD500LC is manufactured from mild steel box-section and uses a perimeter layout. The rear shock absorber is unusually placed horizontally under the engine and uses the lower crankcase as a mounting point. The under-seat area is occupied by the upper cylinder exhaust chambers, the oil pump and one-way valves, the battery and the YPVS (Yamaha Power Valve System) servo motor. The battery is of the ‘wet’ lead acid type and a cut-out is provided in the right side panel to view the acid levels without having to dismantle half the bike! The rear of the shock absorber connects to an extruded aluminium alloy swinging arm via several forged aluminium rocker arms. An unusually small diameter 16-inch wheel is held between 37 mm (1.5 in) spring and oil damped forks which featured adjustable anti-dive units.
The RD500LC uses twin ventilated disc brakes for the front wheel with a single ventilated disc at the rear. A solo seat cowl was originally provided to cover the pillion seat when not in use. The Japanese market RZV500R differs from the RD500 by not having a rear-mounted pillion grab handle fitted (which gives a cleaner, more race-oriented look to the motorcycle).
The RZV500R was designed exclusively for the Japanese home market although many have been exported privately. The RZV500R features upgraded parts not found on the standard RD500LC and RZ500. A major difference is the hand-welded aluminium frame, which is significantly lighter than the steel version used on standard models. The water temperature gauge also doubles as a fuel tank contents gauge at the push of a RHS lever (very useful feature given their fuel consumption) and the front-fork preload can be altered from the top of the forks. There is also a red light mounted within the tachometer housing that comes on at the equivalent of 55 mph (Japanese maximum national speed limit). The speedo is of course calibrated in km/h.
The front forks are air assisted with rebound damping adjustment. The rear brake and gear levers are cast from aluminium, as are the clip-on type handle bars. These chassis modifications added up to a weight saving of 20 lb (9.1 kg). The engine was detuned to 64 hp (48 kW) to comply with Japanese legislation. This was achieved by restricting the internal diameter of the exhaust pipes and changes to the carburettor jetting. These restrictions are easily changed to the RD500 specification by opening up the restrictor plates in the exhaust to create the same diameter hole as the exhaust pipes had as standard and the re-jetting of the carburettors to suit.
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Detailed Technical Information
- Frame (VIN): 47X003052
- Engine number: n/a
- Current Mileage: 19.497 Km
- Last Service: 350 Km – Fully restoration
- Clutch: –
- Radiator: –
- Exhaust: –
- Suspension & Wheels
- Front fork: Telescopic hydraulic fork
- Rear shock: Mono shock
- Steering damper:
- Front wheel: Original 120 x 16″
- Rear wheel: Original 130 x 18″
- Front Brake Master Cyl.: –
- Rear Brake Master Cyl.: –
- Front Brake Caliper/s: –
- Rear Brake Caliper: –
- Front Brake Disk/s: Galfer disk + original
- Rear Brake Disk: –
- Electrical & Wiring System: –
- ECU: –
- Data Acquisition: –
More about this bike: Bike in very good condition and ready for the road. It was full overhauled and serviced for a perfect restoration in 2021. The last owner keep in his garage and only used a pair of weekends (around 350 km). The frame and all components was checked before paint. All seals, hoses and liquids was changed also. The engine was fully revised using new pistons and cylinders refurbished, the carburettors was cleaned and serviced to offers the max performance. All components are standard/original except of the front disks that was changed to provide a safe braking (original disks included). As you can see the bike have small defect due the use on the road, the bellypan have a small crack due the vibration of the engine, the right/top silencer have an small bump (only visible in person) and the right mirror have some scratches. We deliver the bike with Bill of Sale and European paperwork. Any doubt about the restoration or current status of the bike, contact us.
Video of the bike working in this link:
Extra parts included with the bike
– Original Front Disks
– Clear Windscreen