Quick Analysis
Harley Davidson Fat Boy
17.5 pts
Unweighted: 11 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
Aprilia SR 125
14.0 pts
Unweighted: 9 advantages
EnginePerformanceDimensionsBrakesTyresFeaturesOther
| Specification | ||
|---|---|---|
Engine Specifications |
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| Cooling System | Air-cooled | Air-cooled |
| Displacement | 1,923 cc | 124.45 cc |
| Engine Type | Milwaukee-Eight™ 117 Custom | Single-cylinder, 4-stroke, SOHC, 3-valve |
| Power | 103 HP / 77 kW @ 5020 rpm | 10.11 PS @ 7300 rpm |
| Torque | 168 Nm @ 3000 rpm | 10.33 Nm @ 5500 rpm |
Performance & Efficiency |
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| Fuel Tank Capacity | 18.9 litres | 6L |
| Mileage | 18.18 Kmpl | 40 kmpl |
Dimensions & Weight |
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| Kerb Weight | 315 | 118 |
| Seat Height | 675 | 780 |
Brakes & Suspension |
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| ABS | Dual-channel ABS | No, CBS |
| Front Brake | Disc | Disc (220 mm) |
| Front Suspension | Dual-bending valve 49 mm telescopic with aluminum fork triple clamps, dual rate spring | Telescopic fork |
| Rear Brake | Disc | Drum (140 mm) |
| Rear Suspension | Hidden, free piston, coil-over monoshock; 43mm stroke, hydraulic preload adjustment | Mono-shock / Hydraulic Shock absorber |
Tyres & Wheels |
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| Front Tyre | 160/60 R18 | 120/70-R14 |
| Rear Tyre | 240/40 R18 | 120/70-R14 |
| 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 / 5 Ah |
| Bike Image 1 | https://motoautiv.com/wp-content/uploads/2025/06/Blue.avif | https://motoautiv.com/wp-content/uploads/2025/12/Vibrant-Blue.avif |
| Bike Image 2 | https://motoautiv.com/wp-content/uploads/2025/06/Grey.avif | https://motoautiv.com/wp-content/uploads/2025/12/Power-Red.avif |
| Bike Image 3 | https://motoautiv.com/wp-content/uploads/2025/06/Whiskey-fire.avif | https://motoautiv.com/wp-content/uploads/2025/12/Strom-Grey.avif |
| Cluster | Analog with LCD | Fully digital instrument cluster |
| Color Options | Billiard Gray | #6B7074 Vivid Black | #0F0F10 Blue Burst | #1E4D8C Whiskey Fire / Vivid Black | #7A2D1B, #0F0F10 | Power Red | #C1121F Storm Grey | #5A5A5A Vibrant Blue | #1E4ED8 Essence White | #F5F5F5 |
| 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. | More expensive than many 125cc scooters, making it a premium purchase. Under-seat storage is smaller than what some rivals offer. Torque and overall performance may feel limited for riders who often travel with a pillion or heavy luggage. Suspension can feel slightly firm for some riders, especially on very bad roads. Service network and parts availability may not be as widespread as mass-market brands. |
| 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 Aprilia SR 125 is a 125cc scooter that focuses more on performance and handling than typical everyday scooters. It is powered by a 124.45 cc, single-cylinder, air-cooled engine that produces around 10.11 PS and 10.33 Nm, paired with a CVT automatic transmission. This setup gives it a slightly quicker and more responsive feel in city traffic. It can reach a top speed of around 90 km/h, which is in line with most scooters in this segment. One of the key differences is its 14-inch wheels, combined with wide tyres, which help improve stability and control while riding. The suspension setup includes telescopic forks at the front and a rear monoshock, which supports better handling but feels slightly firm on rough roads. Braking is handled by a front disc and a rear drum with a combined braking system. The scooter weighs around 118 kg and has a ground clearance of about 155 mm, which is manageable for most city conditions. It comes with a 6-litre fuel tank, and in real-world use, mileage usually falls between 35 to 40 km/l depending on riding conditions. In terms of features, the SR 125 gets a fully digital instrument cluster that shows basic information like speed, fuel level, and trip data. It also includes LED lighting elements, but does not offer advanced connectivity features. Practical aspects like under-seat storage are limited, and overall dimensions are compact enough for easy city use. The overall setup makes it feel more focused on riding experience and stability rather than comfort and utility. |
| 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 Aprilia SR 125 is positioned as a sporty 125cc scooter in India, focusing more on performance and handling than basic commuting needs. Its 124.45 cc engine delivers slightly stronger acceleration compared to typical scooters in this segment, which suits riders looking for a more engaging ride in city conditions. The use of 14-inch wheels and a firm suspension setup gives it better stability on roads, though it can feel slightly stiff over rough surfaces. In terms of features, it remains fairly simple, with a digital display and essential functions rather than advanced connectivity options. Its design and riding posture are closer to a motorcycle-style feel, which appeals to younger riders but may not suit everyone looking for comfort-focused commuting. Practical aspects like storage space and mileage are average for the segment. Overall, its relevance in India comes from offering a different riding experience within the 125cc scooter category, rather than focusing purely on convenience or efficiency., 4.0, 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: Is the Aprilia SR 125 worth buying for city use in India? A: The Aprilia SR 125 works well in city traffic because of its quick acceleration and stable handling, but the ride can feel slightly stiff on bad roads. Q: Does the Aprilia SR 125 give good mileage in real-world conditions? A: In daily use, the Aprilia SR 125 usually delivers around 35–40 km/l, depending on traffic, riding style, and maintenance. Q: Is the Aprilia SR 125 comfortable for long rides? A: The Aprilia SR 125 is not mainly built for long rides, as the seat and suspension are on the firmer side, which can feel tiring over distance. Q: How is the service and maintenance of the Aprilia SR 125 in India? A: The Aprilia SR 125 may have higher maintenance costs compared to scooters like Activa, and service availability can be limited in smaller cities. Q: Does the Aprilia SR 125 have enough under-seat storage? A: The Aprilia SR 125 has limited under-seat storage, which may not fit a full-face helmet easily. Q: Is the Aprilia SR 125 good for beginners? A: The Aprilia SR 125 can be suitable for beginners, but its sharper throttle response feels slightly more aggressive than typical scooters. Q: How does the Aprilia SR 125 perform on bad roads? A: The Aprilia SR 125 handles well due to its bigger wheels, but the stiff suspension means bumps are more noticeable. Q: What are common issues reported with the Aprilia SR 125? A: Some users mention vibrations at higher speeds and slightly expensive spare parts in the Aprilia SR 125. Q: Is the Aprilia SR 125 better than other 125cc scooters? A: The Aprilia SR 125 offers better handling and a sportier feel, but it may fall behind in comfort, features, and practicality. Q: Who should consider buying the Aprilia SR 125? A: The Aprilia SR 125 suits riders who prefer a sporty riding feel over comfort and daily convenience. |
| Fuel System | Fuel Injection | Fuel-injected |
| Price Variants | STD | 2803000 | hp.e | 111419 STD | 112543 |
| 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. | Sporty and premium design that stands out compared to regular 125cc scooters. Strong handling with a more motorcycle-like feel, giving confidence in corners and during quick lane changes. Comfortable riding posture with good ergonomics for both short commutes and longer weekend rides. Smooth and responsive engine thanks to liquid cooling and fuel injection. Disc brakes at both ends with CBS offer stable and predictable braking performance. Good suspension travel that handles rough city roads better than most scooters in this segment. Alloy wheels and wider tyres provide excellent grip and stability. |
| Starter | Electric | Kick + Self-start |
| Transmission | 6-speed manual | Automatic |
