Yamaha RD 500 LC and Suzuki RG500 Gamma — by Darren Rycroft

8 Апр 2015 | Author: | Комментарии к записи Yamaha RD 500 LC and Suzuki RG500 Gamma — by Darren Rycroft отключены
Yamaha RD 500 LC

Yamaha RD 500 LC and Suzuki RG500 – by Darren Rycroft

I picked up comment from our Facebook pages. I always liked who can write about bikes and with such passion and

— “ GP500 bikes only ever ridden by to tame and only ever by a very select few…The era of GP racing when the riders all had bigger than footballs and talent in their throttle than most of us have in our bodies…I can honestly say that the GP’s of that era was something smell and the noise of a 500cc 2 on full chat is something stays with you and cannot be even with the latest GP bikes…

Some of the classic versions like the Yamaha and the Suzuki RG500 Gamma as close as you would get and great fun to

Ahhhh, the good old days…”

Be to visit Darren’s Web Galleries.

RD500 LC


With the in the early 1980s of Kenny and the Yamaha YZR500 in Grand motorcycle racing Yamaha that a road going of their 500 cc racing machine sell well. Using the technology of the smaller RD series of two motorcycles the RD500LC was launched in to an enthusiastic riding public.

The RD500LC uses a 50-degree, V4 engine layout. Linked YPVS exhaust power are controlled by a single electronic and servo motor and are designed to a broader power band. The also featured intake valves unlike the YZR500 which used rotary valve induction.

The reed valves used two intake arrangements, the lower were fed through crankcase reeds; the upper pair cylinder barrel mounted The four Mikuni carburettors are mounted in pairs and feed cylinder through 90 degree manifold. The lower expansion exit normally but the upper cross over each just behind the exhaust to maintain the correct tuned

The dual crankshafts are geared to the clutch, while the front also drives a counter shaft mounted between the two The counter balance shaft, on a two-…, assists with engine vibrations. The engine is by thermostatically controlled liquid an auxiliary electric fan mounted the radiator cuts in at high (e.g. when stationary in

Lubrication is by direct injection in to the manifolds using Yamaha’s pump system, normally in other two-… engines by position the engine oil pump is by the YPVS servo motor that the oil supply is not shut off at engine revolutions.


The uses a six speed sequential ratio gearbox, the gear are removable from the right of the engine without the need to the crankcases. The clutch is of the wet, coil spring type and is operated. Unusually for a two-… the gears and outer crankshaft are lubricated by a separate crankshaft troichoid oil pump.

Final is by O-ring chain and sprockets.

The frame of the RD500LC is manufactured mild steel box-section and a perimeter layout. The rear absorber is unusually placed under the engine and uses the crankcase as a mounting point. The area is occupied by the upper exhaust chambers, the battery and the servo motor.

The rear of the shock absorber to an extruded aluminium alloy arm via several forged aluminium arms. An unusually small 16″ wheel is held between 37 mm in) spring and oil damped forks

featured adjustable anti-dive The RD500LC used twin disc brakes for the front with a single ventilated at the rear. A solo seat was originally provided to cover the seat when not in use.

Yamaha RD 500 LC


RD500LC Speedometer and

The RD500LC features a standard 12 electrical system. Yamaha’s cancelling indicator unit is and a variable resistance gauging is used to monitor two-… oil contents with associated lights. Nippondenso Capacitor Ignition (CDI) is used in with two coils.


The RZV500R was designed for the Japanese home market many have been privately. The RZV500R features parts not found on the standard A major difference is the hand-welded frame, which is significantly than the steel version on standard models.

The front lines are braided stainless instead of rubber coated, and the forks are air assisted with damping adjustment. The rear and gear levers are cast aluminium, as are the clip-on type bars. These chassis added up to a weight saving of 20 lb kg).

The engine was detuned to 64 hp (48 kW) to with Japanese legislation, was achieved by restricting the internal of the exhaust pipes.

Suzuki RG500 Gamma

Suzuki RG 500 Gamma


Displacement: 498.00 ccm (30.39 inches)

Yamaha RD 500 LC
Yamaha RD 500 LC
Yamaha RD 500 LC
Yamaha RD 500 LC
Yamaha RD 500 LC

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