Yamaha RD125

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Yamaha RD125
Manufacturer Yamaha
Production 75-81
Engine 125cc
Sparkplug B8HS '75
B8ES '76
Battery 12N5-5A-3B '75 , '76
Front Tire 2.75-18 '75 , '76
Rear Tire '75
3.00-18 '76
Manuals Service Manual
Brochures · Reviews · Ads · Videos

The Yamaha RD125 is a motorcycle produced by Yamaha from 1975 to 1981.

1975

1975 Yamaha RD125 in Maroon
1975 Yamaha RD125 in Maroon
1975 Yamaha RD125 in Maroon
1975 Yamaha RD125 in Maroon
1975 Yamaha RD125 in Maroon
1975 Yamaha RD125 in Maroon


Yamaha RD125
Manufacturer Yamaha
Also called RD125DX, RD125LC, RD 125 LC, RD 125 DX, RD 125
Production 1973 - 1983
Class Classic
Engine single cylinder, two-stroke
Bore / Stroke 56.0mm x 50.0mm
Compression ratio 6.8:1
Top speed 78 mph (126 km/h)
Horse Power 16.63 HP (12.4 KW) @ 9000RPM
Battery 6.4:1
Transmission Gear box: 6-speed

Final Drive: chain

Clutch: wet plate
Suspension Front: Telescopic forks
Rear: Dual rear shock preload adjustable
Brakes Front: single disc
Rear: expanding brake
Front Tire 2.75-18
Rear Tire 3.25-18
Wheelbase 49.02 inches (1245 mm)
Seat height 29.49 inches (749 mm)
Weight  (dry), 115.0 kg (wet)
Fuel capacity 3.43 Gallon (13.00 Liters)
Manuals Service Manual
Brochures · Reviews · Ads · Videos

The Yamaha RD125LC was a single cylinder, two-stroke Classic motorcycle produced by Yamaha between 1973 and 1983. It could reach a top speed of 78 mph (126 km/h). Claimed horsepower was 16.63 HP (12.4 KW) @ 9000 RPM.

Engine

The engine was a liquid cooled single cylinder, two-stroke. A 56.0mm bore x 50.0mm stroke result in a displacement of just 123.0 cubic centimeters. Fuel was supplied via a membrane.

Drive

The bike has a 6-speed transmission. Power was moderated via the wet plate.

Chassis

It came with a 2.75-18 front tire and a 3.25-18 rear tire. Stopping was achieved via single disc in the front and a expanding brake in the rear. The front suspension was a Telescopic forks while the rear was equipped with a Dual rear shock preload adjustable. The RD125LC was fitted with a 3.43 Gallon (13.00 Liters) fuel tank. The wheelbase was 49.02 inches (1245 mm) long.

1973 - 1980 Yamaha RD 125

1973 - 1980 Yamaha RD 125 1973 - 1980 Yamaha RD 125 1973 - 1980 Yamaha RD 125 1973 - 1980 Yamaha RD 125

Welcome to low compression and the permanent 90 Km (55 mph) limit. The engine reaches its initial peak at 6000 rpm, then trails along a plateu until 7000 rpm.


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