Yamaha RD500LC (1985)

The Yamaha RD 500LC Christian Sarron Replica was released in 1985 and featured a two-stroke, 50 degree-V4 cylinder engine with a capacity of 499cc. It had a liquid cooling system, 4x 26mm Mikuni carburetors, and a digital CDI ignition. The maximum power output was 88hp at 9500rpm and the maximum torque was 6.57Nm at 8500rpm. The motorcycle had a wet, multiple discs and cable operated clutch, a 6-speed transmission, and a final drive chain with gear ratios of 1st: 2.250, 2nd: 1.685, 3rd: 1.363, 4th: 1.166, 5th: 1.043, and 6th: 0.960. It had a steel twin downtube frame and air-assisted telescopic forks with 4-way spring preload adjustable and anti-dive variable in the front, and a monoshock with spring preload and rebound damping in the rear. The front brakes were 2x 267mm discs with 2 piston calipers and the rear brakes were a single 245mm disc with 2 piston caliper. The front and rear tires were 120/80 V16 and 130/80 V18 respectively. The motorcycle weighed 180kg dry and 198.6kg wet with a fuel capacity of 22 litres. The average fuel consumption was 27.5mpg and it had a standing quarter-mile time of 11.7 seconds at a top speed of 148mph.


Technical specifications:

Make Model: Yamaha RD 500LC Christian Sarron Replica

Year: 1985


Engine: Two stroke, 50 degrees-V4 cylinder, reed valve.
Capacity: 499 cc / 30.3 cu-in
Bore x Stroke: 56.4 x 50 mm
Cooling System: Liquid cooled
Compression Ratio: 6.6:1
Induction: 4x 26mm Mikuni carburetors
Ignition: Digital CDI
Spark Plug: NGK, BR9HS
Starting: Kick
Max Power: 88 hp / 63.9 kW @ 9500 rpm
Max Torque: 6.57 Nm / 6.9 kgf-m @ 8500 rpm
Clutch: Wet, multiple discs, cable operated
Transmission: 6 Speed
Final Drive: Chain
Gear Ratio: 1st 2.250 2nd 1.685 3rd 1.363 4th 1.166 5th 1.043 6th 0.960

Frame: Steel twin downtube
Front Suspension: 37mm Air assisted telescopic forks, 4-way spring preload adjustable and anti-dive variable.
Front Wheel Travel: 140 mm / 5.5 in
Rear Suspension: Monoshock, spring preload and rebound damping,
Rear Wheel Travel: 120 mm / 4.7 in
Front Brakes: 2x 267mm discs 2 piston calipers
Rear Brakes: Single 245mm disc 2 piston calliper
Front Tyre: 120/80 V16 +
Rear Tyre: 130/80 V18
Dimensions: Length 2085 mm / 82.1 in Width 705 mm /27.7 in Height 1145 mm /45.0 in
Wheelbase: 1375 mm / 54.1 in
Seat Height: 780 mm / 30.7 in
Dry Weight: 180 kg / 437.8 lbs
Wet Weight: 198.6 kg / 436.5 lbs
Fuel Capacity: 22 Litres / 5.8 gal
Consumption Average: 27.5 mpg
Standing 1/4 Mile: 11.7 sec / 117.7 mph
Top Speed: 148 mph / 238 km/h

Related models: