Yamaha RD 80 LC 1982 - Specifications & Review

RD 80 LC

Article Complete Info

Articleid273737
CategorySport
MakeYamaha
ModelRD 80 LC
Year1982

Chassis, Suspension, Brakes & Wheels

FrametypeSteel cradle
FrontbrakesSingle disc. single sliding piston caliper
FrontsuspensionTelescopic forks
RearbrakesExpanding brake (drum brake)
Rearsuspensionyamaha monoshock

Engine & Transmission

Borexstroke49.0 x 42.0 mm (1.9 x 1.7 inches)
ClutchWet plate
Compression7.1:1
CoolingsystemOil & air
Displacement79.00 ccm (4.82 cubic inches)
EnginedetailsSingle cylinder, two-stroke
ExhaustsystemSingle expansion chamber
FuelsystemCarburettor. mikuni vm18
Gearbox6-speed
IgnitionCDI
LubricationsystemWet sump
Maxrpm12000
Power10.00 HP (7.3 kW)) @ 8500 RPM
Topspeed128.7 km/h (80.0 mph)
Torque0.90 Nm (0.1 kgf-m or 0.7 ft.lbs) @ 7500 RPM
TransmissiontypefinaldriveChain

Other Specifications

Coloroptionswhite or blue
CommentsThis is the UK model. Only in production for 4 years 1979/82.
ModificationscomparedtopreviousmodelNo changes in any year (Europe got a different model a RD125LC lookalike).
StarterKick

Physical Measures & Capacities

Dryweight78.0 kg (172.0 pounds)
Fuelcapacity10.00 litres (2.64 gallons)
Groundclearance195 mm (7.7 inches)
Overallheight1 mm (0.0 inches)
Overalllength1 mm (0.0 inches)
Overallwidth685 mm (27.0 inches)
Powerweightratio0.1282 HP/kg
Reservefuelcapacity1.10 litres (0.29 gallons)
Seatheight765 mm (30.1 inches) If adjustable, lowest setting.

About Yamaha RD 80 LC 1982

Introducing the Yamaha RD 80 LC

The 1982 Yamaha RD 80 LC is a quintessential representation of the small-displacement sport motorcycle era, designed for both spirited rides and practical everyday use. Nestled in Yamaha’s legacy of performance-oriented machines, the RD 80 LC stands out with its lightweight frame and lively two-stroke engine, making it an ideal choice for new riders and those who appreciate the thrill of lightweight handling. With only four years of production from 1979 to 1982, this UK model has become a rare gem, captivating enthusiasts who are drawn to its retro charm and vibrant performance.

Engine Performance and Riding Characteristics

At the heart of the RD 80 LC lies a peppy 79cc single-cylinder, two-stroke engine that churns out an impressive 10 horsepower at a heady 8,500 RPM. This dynamo is paired with a 6-speed gearbox, ensuring that riders have the versatility to exploit every ounce of power across varied terrains. With a top speed of 128.7 km/h (80 mph), the RD 80 LC offers a thrilling ride, delivering an exhilarating rush that’s both accessible and fun. The lightweight chassis, weighing in at just 78 kg (172 lbs), provides nimble handling, while the oil and air-cooled engine keeps temperatures in check, allowing riders to push the limits without fear of overheating. Its 195 mm ground clearance and responsive suspension setup promise a agile ride, whether navigating city streets or winding country roads.

Key Features and Technology

The Yamaha RD 80 LC is not just about the engine; it’s equipped with features that enhance both performance and rider comfort. The steel cradle frame provides the necessary rigidity while keeping weight down, and the combination of telescopic front forks and a Yamaha monoshock rear ensures a smooth ride over uneven surfaces. Stopping power is handled by a single disc brake in the front complemented by a traditional drum brake at the rear, striking a balance between modern braking performance and classic design. With a fuel capacity of 10 liters (2.64 gallons), riders can enjoy extended outings without the frequent need to refuel. Available in striking white or blue, the RD 80 LC also boasts a kick starter, adding to its nostalgic appeal.

Pros and Cons

Pros:

  1. Lightweight and Agile: Weighing only 78 kg, the RD 80 LC offers nimble handling and is easy to maneuver, making it perfect for urban riding and beginner motorcyclists.
  2. Peppy Performance: The 79cc two-stroke engine delivers spirited acceleration and a thrilling top speed, ensuring an engaging riding experience.
  3. Classic Aesthetics: The bike's retro design and color options make it a head-turner among enthusiasts, embodying the charm of the early 80s motorcycle scene.

Cons:

  1. Limited Power: While fun, the 10 HP engine might not satisfy more experienced riders looking for robust performance in a sport bike.
  2. Basic Braking System: The combination of a single disc front brake and drum rear brake may not provide the stopping power and feel expected by modern riders.
  3. Niche Availability: With a short production run and limited availability, finding well-maintained models can be challenging for those looking to acquire one.

In summary, the 1982 Yamaha RD 80 LC is a delightful blend of performance and style, capturing the essence of a bygone era while providing an engaging ride that continues to resonate with motorcycle enthusiasts today.

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