Quick Analysis
Harley Davidson Fat Boy
17.5 pts
Unweighted: 11 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
YAMAHA FZ-S Fi Ver 4.0
15.5 pts
Unweighted: 12 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Air-cooled | Air-cooled |
| Displacement | 1,923 cc | 149 cc |
| Engine Type | Milwaukee-Eight™ 117 Custom | Air cooled, 4-stroke, SOHC, 2-valve |
| Power | 103 HP / 77 kW @ 5020 rpm | 9.1 kW (12.4PS) / 7,250 r/min |
| Torque | 168 Nm @ 3000 rpm | 13.3 N.m (1.4 kg f.m) / 5,500 r/min |
Performance & Efficiency |
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| Fuel Tank Capacity | 18.9 litres | 13 L |
| Mileage | 18.18 Kmpl | 46 Kmpl |
Dimensions & Weight |
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| Kerb Weight | 315 | 136 |
| Seat Height | 675 | 780 |
Brakes & Suspension |
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| ABS | Dual-channel ABS | Single Channel ABS |
| Front Brake | Disc | Disc Brake 282mm with ABS |
| Front Suspension | Dual-bending valve 49 mm telescopic with aluminum fork triple clamps, dual rate spring | Telescopic fork |
| Rear Brake | Disc | Disc Brake 220mm |
| Rear Suspension | Hidden, free piston, coil-over monoshock; 43mm stroke, hydraulic preload adjustment | 7-Step Adjustable Monocross Suspension |
Tyres & Wheels |
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| Front Tyre | 160/60 R18 | 100/80-17M/C 52P |
| Rear Tyre | 240/40 R18 | 140/60R17M/C 63P |
| Tyre Type | Tubeless | Tubeless |
| Wheel Type | Cast aluminum (Lakester) | Alloy |
Features & Technology |
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| Headlight | LED | LED |
Other Specifications |
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| Battery | — | 12V |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/06/Blue.avif | https://motoautiv.com/wp-content/uploads/2025/05/Cyber-Green-1.avif |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/06/Grey.avif | https://motoautiv.com/wp-content/uploads/2025/05/Grey.avif |
| Bike Image 3 | https://motoautiv.com/wp-content/uploads/2025/06/Whiskey-fire.avif | https://motoautiv.com/wp-content/uploads/2025/05/Ice-Fluo-vermillion-1.avif |
| Bike Image 4 | — | https://motoautiv.com/wp-content/uploads/2025/05/Racing-Blue-5.avif |
| Bike Image 5 | — | https://motoautiv.com/wp-content/uploads/2025/05/Red.avif |
| Cluster | Analog with LCD | Digital |
| Color Options | Billiard Gray | #6B7074 Vivid Black | #0F0F10 Blue Burst | #1E4D8C Whiskey Fire / Vivid Black | #7A2D1B, #0F0F10 | Matte Black | #232323 Majesty Red | #A32025 Metallic Grey | #7A7D80 Racing Blue | #0047AB Ice Fluo Vermillion | #F5F5F5, #FF5A36 Cyber Green | #7FFF00, #232323 |
| Cons | The Weight Is Impossible to Ignore – Parking, reversing, or making tight U-turns requires more effort than on most motorcycles. The bike feels considerably lighter once moving, but the weight is always present at low speeds. Not a Motorcycle That Enjoys Tight Corners – The Fat Boy is happiest on flowing roads. When the road becomes tight and twisty, its size and geometry become more noticeable. Wind Hits You Directly at Highway Speeds – Without a fairing or windscreen, long highway rides can become tiring because the rider takes the full force of the wind. Can Feel Warm in Traffic – Sitting in slow-moving traffic on a hot day makes the large V-twin's heat more noticeable around the legs. Passenger Comfort Is Average – The stock setup feels more focused on the rider. For frequent two-up riding, many owners look at accessory seats and backrests. Not Built Around Practicality – There is no meaningful storage space, and carrying luggage usually requires additional accessories. Running Costs Are Higher Than Average – Tyres, servicing, insurance, and genuine accessories can all add up compared to smaller motorcycles. Requires Some Experience to Get the Best Out of It – The combination of weight, engine size, and physical dimensions can feel intimidating for riders who are new to large-capacity cruisers. Floorboards Touch Down Earlier Than You Might Expect – Riders who push harder through corners will eventually find the limits of the cruiser-style setup. | Performance Feels Conservative: The engine is tuned more for refinement and efficiency than outright performance, which may disappoint riders seeking stronger acceleration. Highway Overtakes Need Planning: While capable of highway cruising, quick overtakes at higher speeds often require downshifts and more rider input. Five-Speed Gearbox Only: Some riders feel the motorcycle would benefit from a sixth gear for more relaxed highway cruising. Suspension Can Feel Firm: On rough roads and potholes, the suspension setup may transmit sharper impacts than some competitors. Instrument Cluster Feels Dated: Although Bluetooth-equipped, the LCD display lacks the visual appeal and functionality of modern TFT screens. Limited Feature Upgrades Over Earlier Models: Some owners feel the updates over previous FZ-S versions are evolutionary rather than substantial. |
| Detailed Overview | Even among Harley-Davidson’s own motorcycles, the Fat Boy has always been difficult to mistake for anything else. The solid-disc Lakester wheels, broad fuel tank, chunky tyres, and low stance give it a silhouette that looks substantial from every angle. While many cruisers rely on chrome and visual complexity to create an impression, the Fat Boy’s design is built around simple, oversized elements that have remained part of its identity for decades. The motorcycle is based on Harley-Davidson’s Softail platform, which uses a hidden rear suspension arrangement beneath the seat area. From the side, the frame still resembles the rigid hardtail cruisers that inspired it, but underneath there is a modern monoshock setup responsible for absorbing road imperfections. The front suspension uses telescopic forks designed to support the motorcycle’s considerable weight while maintaining stability over varying road surfaces. A 1,923cc Milwaukee-Eight 117 V-twin engine sits prominently in the center of the motorcycle. Rather than encouraging riders to explore the upper reaches of the rev range, the engine develops much of its performance lower down, which influences how the Fat Boy behaves in everyday riding. The motorcycle can accelerate with relatively little throttle input, and the six-speed gearbox allows the engine to remain relaxed during highway travel. The large displacement and V-twin configuration are also major contributors to the motorcycle’s mechanical character and riding feel. Dimensionally, the Fat Boy is a substantial machine. Wide tyres at both ends, a long wheelbase, and a low seat height all contribute to its proportions. The low seating position places the rider close to the ground, while forward-mounted foot controls create the stretched riding posture commonly associated with large American cruisers. Combined with the wide handlebar, the rider’s position is very different from what would be experienced on a roadster or sport motorcycle. The Lakester wheels remain one of the defining visual features of the Fat Boy. Unlike conventional alloy wheels, their solid-disc-inspired design creates a unique appearance that has become closely associated with the model over the years. Alongside the broad tyres and muscular bodywork, these wheels play a significant role in shaping the motorcycle’s overall identity. Technology is present, although it is integrated more discreetly than on Harley-Davidson’s touring motorcycles. Modern versions include selectable riding modes, traction control, and ABS, with certain markets also receiving cornering-sensitive rider-assistance systems. Instead of a large touchscreen display, the Fat Boy uses a compact instrument setup focused primarily on essential riding information. An 18.9-litre fuel tank sits above the engine and forms one of the largest visual elements of the motorcycle. Lighting throughout the motorcycle uses LED technology, while the overall design remains intentionally uncluttered. There are few body panels, minimal visual distractions, and a clear emphasis on exposing the mechanical components that define the motorcycle. The Fat Boy’s specifications reveal a motorcycle shaped around traditional cruiser principles: a large-capacity V-twin engine, long-wheelbase chassis, low seating position, and substantial physical presence. Although modern electronics and engineering have been incorporated over time, the underlying layout remains closely tied to the formula that has defined the model for decades. | The Yamaha FZ-S Fi Version 4.0 is a premium commuter motorcycle that builds upon the long-established FZ platform with updated styling, enhanced technology, and modern rider-assistance features. Designed primarily for urban commuting and everyday riding, the motorcycle combines Yamaha’s focus on refinement and fuel efficiency with a muscular streetfighter-inspired appearance. The design features a sculpted fuel tank, sharp tank shrouds, LED lighting, compact body panels, and a sporty stance that gives the motorcycle a distinctive road presence while maintaining practicality for daily use. Powering the Yamaha FZ-S Fi Version 4.0 is a 149cc, single-cylinder, air-cooled, fuel-injected engine that produces approximately 12.4 PS of power and 13.3 Nm of torque. The engine is paired with a five-speed gearbox and is tuned to deliver smooth and predictable performance across a wide range of riding conditions. Fuel injection technology continuously monitors engine requirements and optimizes fuel delivery, contributing to efficient combustion, consistent throttle response, and improved fuel economy. The engine’s emphasis is placed on refinement and usability rather than outright performance, making it particularly suitable for city traffic and routine commuting duties. The motorcycle is built around a diamond-type frame that contributes to its balanced handling characteristics. Suspension duties are handled by telescopic front forks and a rear monoshock setup. This combination is designed to provide a blend of comfort and stability while maintaining predictable handling on various road surfaces. The FZ-S Fi V4 rides on 17-inch alloy wheels fitted with tubeless tyres, which contribute to grip, stability, and convenience during everyday riding. Braking performance is managed through disc brakes at both the front and rear. The motorcycle is equipped with a single-channel Anti-lock Braking System (ABS), which operates on the front wheel and helps reduce the likelihood of wheel lock-up during sudden braking situations. One of the key additions to the Version 4.0 model is the inclusion of a Traction Control System (TCS). This electronic rider aid monitors wheel slip and adjusts engine output when necessary to help maintain traction, a feature that remains relatively uncommon in the 150cc motorcycle segment. The Yamaha FZ-S Fi Version 4.0 has a fuel tank capacity of 13 litres and a kerb weight of approximately 136 kg. The seat height of 790 mm makes the motorcycle accessible to a broad range of riders, while the upright ergonomics contribute to overall riding comfort. The wide handlebar, relaxed footpeg positioning, and well-padded seat create a natural riding posture that reduces fatigue during daily commuting and occasional longer journeys. Technology plays a more significant role in the FZ-S Fi Version 4.0 compared to previous generations. The motorcycle features a fully digital LCD instrument cluster with Bluetooth connectivity through Yamaha’s Y-Connect application. This system allows riders to access smartphone-related functions such as call alerts, message notifications, maintenance reminders, fuel consumption data, and parking location tracking. The integration of smartphone connectivity adds an additional layer of convenience for riders who regularly use mobile devices during their daily routines. The lighting system is fully LED-based, including the headlamp and tail lamp, contributing to both visibility and modern styling. Additional convenience features include a side-stand engine cut-off function, engine kill switch, and hazard light functionality. The overall equipment package reflects Yamaha’s effort to incorporate contemporary technology while maintaining the motorcycle’s commuter-focused character. Overall, the Yamaha FZ-S Fi Version 4.0 combines a fuel-injected 149cc engine, traction control, Bluetooth connectivity, LED lighting, comfortable ergonomics, and modern styling into a motorcycle designed for everyday transportation. Its specifications emphasize refinement, efficiency, rider comfort, and ease of ownership while continuing the established identity of the FZ series within the Indian motorcycle market. |
| Expert Review | The Fat Boy has always been a motorcycle that prioritizes presence as much as performance. Even by cruiser standards, it feels substantial, whether you're looking at it parked or riding it down the road. The Milwaukee-Eight 117 engine suits the character of the bike perfectly, producing the kind of effortless torque that allows you to ride without constantly thinking about gear selection or engine speed. What stands out most is how planted the motorcycle feels once it's moving. The wide tyres, long wheelbase, and considerable weight create a sense of stability that encourages a relaxed riding style rather than an aggressive one. At the same time, those same traits mean the Fat Boy asks for a bit more effort in slow-speed situations and doesn't feel particularly eager when the road becomes tight and technical. The riding experience is less about chasing performance figures and more about the way the motorcycle delivers its power, carries its weight, and settles into a steady rhythm on open roads. Modern electronics have improved safety and usability, but they remain secondary to the traditional cruiser character that continues to define the Fat Boy., 4.4, MotoAutiv Team | The Yamaha FZ-S Fi Version 4.0 continues to follow the formula that has defined the FZ series for years—prioritizing refinement, comfort, and everyday usability over outright performance. Its 149cc fuel-injected engine delivers smooth and linear power, making the motorcycle particularly well-suited to urban commuting and daily transportation. The engine remains one of the most refined units in its class, with controlled vibration levels and predictable throttle response. The upright ergonomics, wide handlebar, and comfortable seat contribute to a relaxed riding experience, while the lightweight chassis makes maneuvering through traffic straightforward. Yamaha has enhanced the package with features such as traction control, Bluetooth connectivity via Y-Connect, LED lighting, and a modernized instrument cluster, bringing additional technology to the segment. The motorcycle's handling remains stable and confidence-inspiring, though the suspension setup is tuned more towards everyday comfort than sporty riding. While competitors offer greater power and performance, the FZ-S Fi V4 focuses on delivering a polished, efficient, and easy-to-live-with riding experience that aligns closely with the needs of daily commuters., 4.4, MotoAutiv Team |
| FAQ (Manual Override) | Q: What type of motorcycle is the Harley-Davidson Fat Boy? A: The Fat Boy is classified as a heavyweight cruiser motorcycle, designed around relaxed riding ergonomics, a large V-twin engine, and long-distance road comfort. Q: Which engine powers the Fat Boy? A: The latest model uses the Milwaukee-Eight 117 V-twin engine paired with a 6-speed gearbox. Q: Is the Fat Boy suitable for long-distance rides? A: Yes. The relaxed ergonomics and torque-rich engine make it capable of covering long distances, although many owners add touring accessories for greater comfort. Q: What is the seat height of the Fat Boy? A: The seat height is approximately 675 mm, making it accessible to a wide range of riders. Q: Does the Fat Boy have cruise control? A: Availability depends on market and model year. Some versions include cruise control, while others may offer it as an accessory. Q: What is the fuel tank capacity of the Fat Boy? A: The motorcycle is equipped with an 18.9-litre fuel tank. Q: Does the Fat Boy have riding modes? A: Yes. Modern versions include selectable riding modes and electronic rider-assistance systems. Q: Is the Fat Boy comfortable for a passenger? A: Occasional two-up riding is possible, but the stock setup is more rider-focused than dedicated touring motorcycles. Q: How is the Fat Boy different from the Breakout? A: The Fat Boy focuses on a broad, muscular cruiser character with solid-disc wheels, while the Breakout adopts a stretched custom-cruiser design with a much wider rear tyre. Q: Does the Fat Boy have traction control and ABS? A: Yes. Modern versions include ABS, traction control, and other rider-assistance technologies. Q: What is the kerb weight of the Harley-Davidson Fat Boy? A: The motorcycle weighs approximately 315 kg in running condition, depending on market specification. Q: Is the Fat Boy beginner-friendly? A: The low seat height helps with accessibility, but the weight, engine size, and overall dimensions make it better suited to riders with some experience. Q: Does the Fat Boy support smartphone connectivity? A: The Fat Boy uses a relatively simple instrumentation setup compared to Harley's touring models, so smartphone integration is limited. Q: What body type does the Fat Boy belong to? A: It is categorized as a cruiser motorcycle, specifically a heavyweight cruiser designed around comfort, torque delivery, and road presence. | Q: What is the real-world mileage of the Yamaha FZ-S Fi Version 4.0? A: Most Yamaha FZ-S Fi Version 4.0 owners report real-world mileage between 45 and 55 km/l, depending on riding conditions, maintenance, and riding style. Q: What is the top speed of the Yamaha FZ-S Fi Version 4.0? A: The Yamaha FZ-S Fi Version 4.0 can reach a top speed of approximately 115 km/h under favorable conditions. Q: Does the Yamaha FZ-S Fi Version 4.0 have traction control? A: Yes, the Yamaha FZ-S Fi Version 4.0 comes equipped with a Traction Control System (TCS), making it one of the few motorcycles in its segment to offer this feature. Q: Does the Yamaha FZ-S Fi Version 4.0 support Bluetooth connectivity? A: Yes, the Yamaha FZ-S Fi Version 4.0 supports Bluetooth connectivity through Yamaha's Y-Connect application, enabling call alerts, message notifications, maintenance reminders, and riding statistics. Q: Is the Yamaha FZ-S Fi Version 4.0 suitable for beginners? A: Yes, the Yamaha FZ-S Fi Version 4.0 is considered beginner-friendly due to its predictable power delivery, comfortable ergonomics, manageable weight, and smooth engine characteristics. Q: What is the fuel tank capacity of the Yamaha FZ-S Fi Version 4.0? A: The Yamaha FZ-S Fi Version 4.0 comes with a 13-litre fuel tank. Q: What is the seat height of the Yamaha FZ-S Fi Version 4.0? A: The Yamaha FZ-S Fi Version 4.0 has a seat height of 790 mm, making it accessible to a wide variety of riders. Q: Is the Yamaha FZ-S Fi Version 4.0 good for long rides? A: The Yamaha FZ-S Fi Version 4.0 offers a comfortable riding posture and refined engine, making it suitable for weekend rides and moderate-distance touring. Q: Does the Yamaha FZ-S Fi Version 4.0 have dual-channel ABS? A: No, the Yamaha FZ-S Fi Version 4.0 is equipped with single-channel ABS that operates on the front wheel. Q: What is the kerb weight of the Yamaha FZ-S Fi Version 4.0? A: The Yamaha FZ-S Fi Version 4.0 has a kerb weight of approximately 136 kg. Q: What is the difference between the Yamaha FZ-S Fi Version 4.0 and Yamaha FZ-S Fi Version 3.0? A: The Yamaha FZ-S Fi Version 4.0 adds features such as traction control, Bluetooth connectivity, updated instrumentation, revised styling details, and compliance with newer emission norms compared to the earlier Yamaha FZ-S Fi Version 3.0. Q: Why is the Yamaha FZ-S Fi Version 4.0 popular among commuters? A: The Yamaha FZ-S Fi Version 4.0 is popular because it combines fuel efficiency, comfort, refined performance, modern technology, and low ownership costs in a practical everyday motorcycle package. |
| Fuel System | Fuel Injection | Fuel injection |
| Price Variants | STD | 2803000 | STD | 119846 V4 Delux | 120304 |
| Pros | Instantly Recognizable Design – Few motorcycles are as easy to identify from a distance as the Fat Boy. The solid-disc wheels, wide stance, and muscular proportions give it a presence that stands out even among other cruisers. Torque-Rich Engine Character – The Milwaukee-Eight 117 doesn't need to be revved hard to make progress. A small twist of the throttle is usually enough to get the bike moving with very little effort. Relaxed Riding Position – The low seat, wide handlebar, and stretched-out foot controls create a laid-back riding posture that suits cruising and long hours in the saddle. Feels Stable on Open Roads – Once the bike is moving, its weight starts working in its favour. It feels planted at highway speeds and doesn't get unsettled easily. High-Quality Finish – From the paintwork to the chrome detailing and metal components, the overall fit and finish reflects the premium nature of the motorcycle. Low Seat Height Helps at Stops – Despite being a large motorcycle, the low seat makes it easier for many riders to place both feet firmly on the ground. Modern Electronics Without Changing the Character – Features such as ABS, traction control, and riding modes work in the background without taking away from the traditional cruiser feel. Comfortable Engine for Cruising – The engine settles into a relaxed rhythm at highway speeds and rarely feels stressed during normal riding. | Refined and Smooth Engine: The 149cc fuel-injected engine delivers power in a smooth and predictable manner, making the motorcycle easy to ride in daily traffic conditions. Comfortable Riding Position: The upright ergonomics, wide handlebar, and relaxed seating posture make the Yamaha FZ-S Fi V4 comfortable for commuting and occasional long rides. Excellent Fuel Efficiency: Owners commonly report real-world mileage figures between 45 and 55 km/l, helping keep running costs low. Premium Build Quality: The paint finish, switchgear quality, panel fitment, and overall attention to detail are frequently praised by owners. Traction Control System: The inclusion of traction control is a rare feature in the 150cc segment and adds an extra layer of electronic assistance. Bluetooth Connectivity: Yamaha's Y-Connect system allows riders to access call alerts, message notifications, maintenance updates, and fuel consumption data through a smartphone. Lightweight and Easy Handling: The motorcycle feels agile in city traffic and remains easy to maneuver in tight urban environments. Muscular Streetfighter Styling: The sharp tank extensions, LED lighting, and aggressive bodywork contribute to a strong road presence. |
| Starter | Electric | Electric starter |
| Transmission | 6-speed manual | Constant mesh, 5-speed |
