Classic and Classy Motorcycles Ltd

Historical Context

The 1984 Harley-Davidson Super Glide Sport marked a pivotal year in the company’s history. It was the first full production year of the new 1340cc Evolution (Evo) engine—an all-aluminum V-twin designed to replace the aging Shovelhead. This upgrade came at a crucial moment for Harley-Davidson, which had recently regained independence from AMF and was working hard to rebuild its reputation for quality and reliability. The Super Glide line, first introduced in 1971, was Harley’s original factory custom, blending Big Twin performance with lighter, sportier chassis design. The 1984 Evo-powered Super Glide Sport combined that original spirit with much-improved engineering, making it a significant milestone in the evolution of Harley-Davidson motorcycles.

Technical Specifications and Performance

• Year: 1984
• Make: Harley-Davidson
• Model: FXRS Super Glide Sport
• Engine Displacement: 1340cc (82 cubic inches)
• Engine Type: Air-cooled OHV 45° V-twin (Evolution engine)
• Compression Ratio: 8.5:1
• Carburetion: Keihin butterfly carburetor
• Ignition System: Electronic ignition
• Transmission Type: 5-speed manual
• Final Drive: Belt
• Cooling System: Air-cooled
• Fuel Capacity: Approx. 4.2 gallons
• Braking System: Dual disc front, single disc rear
• Dry Weight: Approx. 580 lbs
• Top Speed: Around 105 mph

Technical Advancements

The 1984 FXRS was one of the first Harley-Davidsons to feature the new Evolution engine, which brought a major increase in reliability, oil-tightness, and performance. It had aluminum heads and cylinders, better cooling, and improved combustion efficiency. The FXRS model also featured a rubber-mounted engine to reduce vibration, a low-slung chassis for better handling, and a more modern suspension setup. The 5-speed gearbox and final belt drive further improved the ride experience, while the Sport variant added dual front disc brakes and slightly firmer suspension to emphasize spirited riding.

Evolution of the Model

The FXR frame was developed with help from engineers at Porsche and was considered one of the best-handling Harley chassis of the era. The FXRS variant featured a sportier seat, more responsive forks, and a slightly more aggressive riding position. Over the next few years, Harley refined the FXR range, but the 1984 model remains one of the most sought-after due to its early Evo engine and clean styling. The Super Glide Sport was a bridge between the old-school customs of the ’70s and the performance-oriented cruisers of the ’90s.

Competitors in the Market

In 1984, the Super Glide Sport faced rivals like the Honda Shadow 1100, Yamaha Virago 920, and BMW R100RT. These bikes offered liquid cooling, shaft drive, and in some cases, superior ergonomics—but few matched the Super Glide’s raw torque, mechanical presence, and unmistakable Harley charisma. The Evo engine gave Harley a new lease on life, helping the company recapture market share from its Japanese and European competitors.

Legacy and Appeal

Today, the 1984 FXRS Super Glide Sport is a highly collectible motorcycle, especially among Harley-Davidson purists. As a barn find or restoration project, it represents the rebirth of Harley engineering and the start of a new era. With its reliable Evo motor, excellent chassis, and timeless styling, the 1984 Super Glide Sport offers the best of both worlds—classic American V-twin muscle with vastly improved engineering. It’s a must-have for fans of the FXR platform and a solid investment for any vintage Harley collection.