Yamaha RD125: review, history, specs
'Yamaha RD125' | |
Manufacturer | [[Yamaha]] |
---|---|
Also called | RD125DX, RD125LC, RD 125 LC, RD 125 DX, RD 125 |
Production | 1973 - 1983 |
Class | [[:Category:Classic motorcycles|Classic]] [[Category:Classic motorcycles]] |
Engine | single cylinder, two-stroke |
Bore / Stroke | 56.0mm x 50.0mm |
Compression ratio | 6.8:1 |
Top Speed | 78 mph (126 km/h) |
Horsepower | 16.63 HP (12.4 KW) @ 9000RPM |
Spark Plug | NGK B8HS '75 NGK B8ES '76 |
Battery | YUASA 12N5-5A-3B '75 , '76 |
Transmission | Gear box: 6-speed Final Drive: chain |
Final Drive | Chain: 428x110 |
Front Sprocket | 14T |
Rear Sprocket | 39T |
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 | 115.0 kg (wet) |
Fuel Capacity | 3.43 Gallon (13.00 Liters) |
Related | Yamaha RD200, Yamaha RD250, Yamaha RD350 Yamaha YFS200 |
Manuals | Service Manual |
Reviews · |
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.
Overview
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 plateau until 7000 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.
The Yamaha RD125 is a motorcycle produced by Yamaha from 1975 to 1981.
1975
1973 - 1980 Yamaha RD 125
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References
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