Classic and Classy Motorcycles Ltd

Historical Context
The 1986 Harley-Davidson Evolution (Evo) XLH Sportster represents a significant milestone in the history of Harley-Davidson motorcycles. Marking the debut of the Evolution engine in the Sportster lineup, this model year was pivotal in signaling a new era of performance and reliability for the brand. Originally released with an 883cc displacement, many of these models have been upgraded to 1200cc, enhancing their power and rideability while maintaining the classic Sportster aesthetic.

Technical Specifications and Performance

• Year: 1986
• Make: Harley-Davidson
• Model: Evo XLH Sportster (883cc originally, commonly upgraded to 1200cc)
• Engine displacement: 883cc to 1200cc (after upgrade)
• Compression ratio: Varies with 1200cc conversion kit
• Carburetion: Single Keihin carburetor
• Ignition system: Electronic ignition
• Cooling system: Air-cooled
• Fuel capacity: 3.3 gallons
• Wheelbase: 60 inches
• Horsepower: 50 hp (883cc) to 65+ hp (1200cc, depending on the configuration)
• Torque: 48 ft-lbs (883cc) to 70+ ft-lbs (1200cc, depending on the configuration)
• Transmission type: 4-speed manual
• Suspension system: Telescopic fork front, dual shocks rear
• Braking system: Disc front, drum rear
• Dry Weight: Approximately 495 lbs
• Top speed: Approximately 105 mph (varies with 1200cc upgrade)

Design and Features
The 1986 XLH Sportster maintained the classic Harley-Davidson design, with the Evolution engine introducing a cleaner, more refined look and significantly improved reliability over the previous Ironhead models. The potential for upgrading to 1200cc allows riders to customize the power and performance to suit their preferences, making it a versatile and appealing choice for both daily riding and longer journeys.

Riding Experience
Riding the upgraded 1986 Harley-Davidson XLH Sportster, from 883cc to 1200cc, offers a blend of classic Harley feel with enhanced power and responsiveness. The upgrade significantly improves acceleration and cruising capability, making the bike more versatile across a wider range of riding conditions. The Evolution engine's reliability, combined with the increased displacement, results in a rewarding and engaging riding experience.

Legacy and Enthusiast Appeal
The introduction of the Evolution engine and the subsequent ability to upgrade the displacement have made the 1986 XLH Sportster a highly sought-after model among Harley-Davidson enthusiasts and custom builders. Its significance in the evolution of the Sportster line, coupled with the flexibility for customization, has cemented its status as a beloved classic in the motorcycle community, cherished for its blend of tradition and adaptability.