The 1998 Harley-Davidson FLSTF, commonly known as the Fat Boy, is an iconic cruiser that first rolled out in 1990. This model year continues the legacy of its distinctive styling, featuring a wide front end, a fat 150mm front tire, and a 130mm rear tire, giving it a robust presence. The FLSTF is part of the Harley-Davidson Softail family, characterized by its hidden rear shock absorbers that mimic the look of a rigid frame. Its popularity stems from its timeless retro aesthetic, powerful V-twin engine, and the unmistakable Harley-Davidson riding experience. New pricing in 1998 was in the high $15,000s, with used prices varying significantly based on condition and mileage.
The Good
The 1998 FLSTF offers a potent V-twin engine for engaging performance, a classic, head-turning design for emotional appeal, and a comfortable riding posture for longer journeys. Its robust build suggests reliability, and the iconic Harley-Davidson brand provides enduring value and desirability.
The Bad
Potential buyers should watch for common Harley-Davidson issues of this era, including carburetor tuning needs, potential oil leaks from engine seals, and wear on the belt drive. Suspension can be basic, and braking performance might feel dated compared to modern bikes.
1998 Harley-Davidson FLSTF: Quick Overview
- Engine: The 1998 Harley-Davidson FLSTF Fat Boy is equipped with Harley-Davidson's air-cooled, 1449cc (88 cubic inch) Evolution V-twin engine. This engine is known for its distinctive rumble and torque.
- Horsepower: Official horsepower figures were not always prominently advertised by Harley-Davidson in this era, but it is generally estimated to produce around 60-65 horsepower at the crankshaft.
- Torque: The Evolution engine typically delivers strong low-end torque, crucial for cruiser riding, with figures estimated around 75-80 lb-ft.
- Fuel Economy: Fuel economy for the 1998 FLSTF is typically in the range of 35-45 miles per gallon (MPG), depending heavily on riding style and conditions.
- 0-60 Times: While not a performance metric Harley-Davidson heavily promoted for cruisers, 0-60 MPH times are estimated to be in the range of 5-6 seconds, offering brisk acceleration for its class.
- Towing Capacity: Harley-Davidson motorcycles, including the FLSTF, are not designed or intended for towing. Towing capacity is effectively zero.
- Trim-Level Features (FLSTF Fat Boy): The Fat Boy trim is distinguished by its unique styling cues. Key features and styling elements include:
- Wide front end with a 150/80B16 tire.
- Polished or chrome-finished solid aluminum disc wheels (often referred to as "fat spoke" wheels, though they are solid discs).
- A wide, teardrop-shaped fuel tank with a flush-mounted speedometer.
- A low-slung seat.
- Silver-painted engine components (distinctive for the Fat Boy).
- Chrome exhaust pipes.
- Sissy bar and passenger backrest (often optional or added by owners).
- Harley-Davidson's signature Softail frame with hidden rear suspension for a hardtail look.
- Wide handlebars.
- Fluted headlight nacelle.
1998 Harley-Davidson FLSTF Specifications
Vehicle Information
| Year | 1998 |
| Make | Harley-Davidson |
| Model | FLSTF |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | United States |
| Manufacturing City | YORK |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 1340CC |
| Engine Size | 1340L |
| Engine Cylinders | 2 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 1998 Harley-Davidson FLSTF Have?
The 1998 Harley-Davidson FLSTF Fat Boy, part of the Evolution engine era, generally boasts good long-term reliability, but like any motorcycle of this age, it has known areas to watch. A common concern with Evolution engines of this vintage can be oil leaks. This often stems from aging seals and gaskets, particularly around the primary cover, transmission, and engine cases. Regular inspection and timely replacement of these seals are crucial to prevent significant oil loss. Another area that can require attention is the carburetor, typically a Keihin CV (Constant Velocity) carb. While generally reliable, they can become finicky with age, requiring adjustments for optimal performance, especially at different altitudes or temperatures. Issues like rough idling, hesitation, or difficulty starting can be attributed to carburetor settings or wear. The belt drive system, a hallmark of Harley-Davidsons, is generally durable, but the belt itself can wear over time, especially if not properly tensioned or if debris gets caught. Inspecting the belt for cracks or fraying and ensuring correct tension is important. Some owners have reported issues with the starter clutch, though this isn't specific to the 1998 model year but rather a general Evolution engine consideration. Recalls for the 1998 model year are generally rare and often related to minor component issues rather than systemic flaws. It's always advisable to check the NHTSA website or consult a Harley-Davidson dealer for any outstanding recalls associated with a specific VIN. Long-term reliability is heavily dependent on the previous owner's maintenance habits. A well-maintained FLSTF with regular oil changes, filter replacements, and proper care can last for well over 100,000 miles. Conversely, neglected bikes may experience more frequent issues, particularly with the electrical system, which, while typically robust, can be susceptible to corrosion or failing components over many years. Clutch adjustments and brake component wear are also standard maintenance items that need attention as the mileage increases.
How long will the 1998 Harley-Davidson FLSTF last?
The 1998 Harley-Davidson FLSTF Fat Boy, with proper and consistent maintenance, is capable of extensive service life. It's not uncommon for well-cared-for Evolution engine Harleys to surpass 100,000 miles, and many can reach 150,000 miles or more with diligent attention. Average mileage for a 20+ year-old motorcycle can range widely, but many owners ride them 3,000 to 7,000 miles per year. Therefore, a bike with 50,000 to 80,000 miles would be considered moderate. Long-term durability is a strong suit, thanks to the robust construction of the Evolution engine and the solid chassis. Weaknesses that emerge over time are typically related to the natural aging of rubber components (seals, hoses, tires), potential corrosion on chrome and electrical connections, and wear on drivetrain components like the belt and clutch. Regular fluid changes and proactive replacement of aging parts are key to maximizing its lifespan.
What Technology & Safety Features are Included?
The 1998 Harley-Davidson FLSTF Fat Boy represents a simpler era of motorcycling, with technology focused on the core riding experience rather than advanced electronic aids. Built-in tech is minimal. The primary technological feature is the analog instrument cluster, typically consisting of a speedometer with an odometer, a tachometer (often optional or integrated into the speedo housing), and indicator lights for turn signals, oil pressure, and high beam. Entertainment systems are non-existent from the factory; this is a bike for enjoying the sound of the V-twin engine and the open air. There are no driver-assistance features such as ABS, traction control, or cruise control integrated into the stock 1998 model. Safety features are primarily mechanical: reliable hydraulic disc brakes (single disc front and rear), sturdy frame, and lighting systems (headlight, taillight, turn signals). Optional features that owners might have added over the years could include aftermarket audio systems, GPS units, or auxiliary lighting, but these were not part of the original factory build. Crash-test ratings are not applicable to motorcycles in the same way they are for cars. Harley-Davidson designs its motorcycles to meet various safety standards for motorcycle construction, but formal crash-test ratings from organizations like the NHTSA or IIHS are not available for this vehicle. The focus of safety on the FLSTF is on rider control, visibility, and the mechanical integrity of the components. The rider is the primary active safety system, relying on their skills and awareness.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
1998 Harley-Davidson FLSTF Prices and Market Value
In 1998, the Harley-Davidson FLSTF Fat Boy had an original MSRP typically ranging from approximately $15,500 to $16,500, depending on options and destination charges. Today, the used market prices for a 1998 FLSTF can vary significantly, generally falling between $7,000 and $12,000. This range is heavily influenced by mileage, overall condition, maintenance history, originality of parts, and any desirable modifications. Harley-Davidson motorcycles, especially iconic models like the Fat Boy, tend to depreciate less rapidly than many other brands, holding their value well over time. Factors that positively affect resale value include low mileage, original paint and components, documented maintenance, and desirable factory options or limited edition paint schemes. Conversely, extensive modifications, poor condition, or high mileage can significantly reduce its market value. They are considered a strong used investment for those seeking classic American cruiser styling.
1998 Harley-Davidson FLSTF Cost of Ownership
Owning a 1998 Harley-Davidson FLSTF Fat Boy is generally considered moderately costly, not strictly economical but offering good value for its class. Insurance costs can vary widely based on rider age, experience, location, and coverage levels, but expect it to be higher than for a smaller displacement bike. Fuel economy averages around 35-45 MPG. Routine maintenance, including oil changes and filter replacements, is essential and can be done DIY or at a dealership, with costs around $150-$300 annually. Repairs can become more significant with age, especially if specialized Harley-Davidson parts are needed. While durable, component wear and potential leaks can add to repair bills over time, making it more costly than some Japanese cruisers, but rewarding for enthusiasts.
1998 Harley-Davidson FLSTF Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1998 Harley-Davidson FLSTF Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
1998 Harley-Davidson FLSTF Insurance
Insurance for a 1998 Harley-Davidson FLSTF is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1998 Harley-Davidson FLSTF Compare to Other Motorcycle?
The 1998 Harley-Davidson FLSTF Fat Boy competed in the heavyweight cruiser segment against rivals like the Honda Shadow 1100, Yamaha Virago 1100, and Kawasaki Vulcan 1500. In terms of performance, the FLSTF's 88 cubic inch Evolution V-twin provided strong, characteristic torque and a distinctive rumble, though outright horsepower was generally matched or slightly surpassed by some Japanese competitors, who often offered smoother, more refined power delivery. Features-wise, the Fat Boy emphasized classic styling over modern amenities. While rivals might have offered more standard features like shaft drive (eliminating belt maintenance) or sometimes more sophisticated suspension, the FLSTF's appeal was its iconic, retro aesthetic with solid disc wheels and a fat front tire. Reliability is a point of discussion. Harley-Davidsons of this era are known for their robust engines, but they often require more diligent maintenance, particularly regarding oil management and potential leaks, compared to the generally more bulletproof and lower-maintenance Japanese counterparts like the Honda Shadow, which was renowned for its dependability and less frequent need for attention. Price-wise, the FLSTF was typically positioned at the higher end of the spectrum when new, reflecting its premium brand status and iconic design. Used, its value retention is strong, often commanding higher prices than comparable Japanese cruisers due to brand desirability. Alternatives: For a similar classic cruiser look with potentially lower maintenance and cost, the Honda Shadow American Classic Edition (ACE) or Yamaha Virago series are strong contenders. For those seeking more modern performance and features within the cruiser segment, models like the Kawasaki Vulcan 1500 Classic or perhaps even a slightly newer model from any manufacturer might offer more technology and a broader performance envelope. However, for the sheer iconic status and the visceral Harley-Davidson experience, the FLSTF remains a benchmark.
Final Verdict: Is the 1998 Harley-Davidson FLSTF a Good Motorcycle?
The 1998 Harley-Davidson FLSTF Fat Boy is ideal for riders who appreciate classic American cruiser styling, the distinctive rumble of a V-twin engine, and the iconic Harley-Davidson brand legacy. It's for those who prioritize aesthetics and the riding experience over cutting-edge technology and outright performance. This bike is definitely worth buying for enthusiasts seeking a piece of motorcycle history. It is exclusively a used purchase, as it is a vintage model. Buyers should look for well-maintained examples with documented service history, being prepared for regular maintenance and potential age-related upkeep. A mechanically sound FLSTF in good cosmetic condition represents a solid investment for its enduring appeal and resale value.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.