Introduction to the 2017 Kymco Mongoose 90 S
The 2017 Kymco Mongoose 90 S is a purpose-built youth ATV designed to introduce young riders to the thrill of off-road adventures. With its user-friendly design and safety features, this ATV is targeted at riders aged 10 and above, offering a perfect entry point into the world of all-terrain vehicles.
Priced at $2,499 MSRP, the 2017 Kymco Mongoose 90 S is an affordable option for parents looking to provide their young riders with a reliable and capable ATV. Its introduction in 2015 marked a significant milestone in youth ATV design, and the 2017 model year brings notable updates and refinements to enhance the overall riding experience.
Manufactured by Kymco, a reputable Taiwanese company, the Mongoose 90 S reflects the brand’s commitment to quality and innovation. With a 12-month warranty and the assurance of dealer support through Kymco Dealers, parents can have peace of mind knowing that their young riders are well-supported in their ATV adventures.
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The Kymco Mongoose 90 S is a youth ATV introduced by Kymco in 2015. Positioned as an entry-level model within the Kymco lineup, it is designed for riders above the age of 10, offering a gateway into the world of all-terrain vehicles. Despite its youth classification, the Mongoose 90 S boasts a range of features typically found in larger ATVs, making it a standout option for young riders looking to develop their off-road skills.
Distinctive features of the Kymco Mongoose 90 S include its 89cc single-cylinder engine, which delivers 6.3 horsepower and 4.7 kW of power. The ATV’s independent A-arm front suspension and swing arm rear suspension provide 2.8 inches and 2.9 inches of travel, respectively, ensuring a smooth and controlled ride over various terrains. With its electric/kick starter and standard kill switch/tether cord, the Mongoose 90 S is equipped with safety and convenience features that set it apart in its category.
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Price and Value of the 2017 Kymco Mongoose 90 S
The 2017 Kymco Mongoose 90 S is priced at an MSRP of $2,499, making it an attractively priced ATV in the youth segment. The MSRP for this ATV remains consistent across different configurations and editions, offering a standardized pricing structure for potential buyers.
Model | Price |
---|---|
2017 Kymco Mongoose 90 S | $2,499 |
Engine Specifications and Performance
The Kymco Mongoose 90 S is equipped with a single-cylinder, 4-stroke engine that delivers a remarkable 6.3 horsepower (bhp) or 4.7 kilowatts (kW). The air/fan cooling system and 2 valves per cylinder with a SOHC valve configuration ensure efficient heat dissipation and optimal power delivery, making it an ideal choice for off-road enthusiasts seeking reliable and consistent performance.
With a displacement of 89cc (5.4 cubic inches), this engine offers a balanced blend of power and efficiency, while the electric/kick starter and standard kill switch/tether cord enhance convenience and safety during off-road adventures. The Kymco Mongoose 90 S runs on regular gasoline, featuring a Keihin carburetor with a single 14mm carburetor size, ensuring responsive throttle control and smooth acceleration over challenging terrain.
Specification | Value |
---|---|
Engine Type | Single-Cylinder |
Cylinders | 1 |
Engine Stroke | 4-Stroke |
Horsepower (bhp/kW) | 6.3 / 4.7 |
Cooling | Air / Fan |
Valves | 2 |
Valves Per Cylinder | 2 |
Valve Configuration | SOHC |
Displacement (cc/ci) | 89 / 5.4 |
Starter | Electric / Kick |
Fuel Requirements | Regular |
Fuel Type | Gas |
Carburetion Brand | Keihin |
Carburetor | Yes |
Number Of Carburetors | 1 |
Carburetor Size (mm) | 14 |
Carburetion Type | Carburetor |
Kill Switch / Tether Cord | Standard |
Transmission System and Advantages
The 2017 Kymco Mongoose 90 S is equipped with a Continuously Variable Transmission (CVT) system, a popular choice in modern ATVs for its seamless power delivery and ease of use. Unlike traditional gear-based transmissions, a CVT utilizes a belt and pulley system to provide an infinite number of gear ratios, allowing the engine to operate at peak efficiency across various speeds and terrains. This results in smoother acceleration, better fuel economy, and reduced wear on internal components, making it an ideal choice for both utility work and off-road adventures.
Moreover, the CVT system eliminates the need for manual shifting, allowing the rider to focus on navigating challenging terrain without the distraction of gear changes. This hands-free operation is particularly beneficial in utility applications, where precise speed control and constant power delivery are essential. Additionally, the absence of gear shifts ensures a seamless power transfer to the wheels, enhancing traction and maneuverability in off-road conditions, such as steep inclines or uneven surfaces.
Specification | Value |
---|---|
Transmission Type | Continuously Variable (CVT) |
Primary Drive (Rear Wheel) | Chain |
Primary Drive (Engine / Transmission) | Belt |
Reverse | Yes |
Hi / Low Range | No |
Driveline Configuration and 4×4 Capabilities
The Kymco Mongoose 90 S comes equipped with a robust driveline configuration, offering a 4×4 system that provides exceptional capabilities for tackling various types of terrain. The driveline type is 4X2, and it features a single driveline mode, ensuring simplicity and ease of operation for the rider. Additionally, the rear solid axle enhances the vehicle’s stability and traction, contributing to its off-road performance.
The absence of rear unlocking differential does not limit the Kymco Mongoose 90 S’s off-road capabilities. Instead, the vehicle’s driveline configuration, combined with the 4×4 system, delivers impressive handling and traction across diverse terrains. Whether traversing rocky paths or navigating challenging landscapes, the driveline’s design ensures optimal performance, making it suitable for riders seeking adventure in varied off-road conditions.
Specification | Value |
---|---|
Driveline Type | 4X2 |
Number Of Driveline Modes | 1 |
Rear Unlocking Differential | No |
Rear Solid Axle | Yes |
Dimensions and Technical Specifications
Specification | Value |
---|---|
Length (ft) | 4.75 |
Width (in/mm) | 36 / 914.4 |
Height (in/mm) | 37 / 939.8 |
Wheelbase (in/mm) | 37.9 / 962.7 |
Ground Clearance (in/mm) | 7.3 / 185.4 |
Length (ft/ft) | 4 |
Length (ft/in) | 9 |
Dry Weight (lbs/kg) | 232 / 105.2 |
Fuel Capacity (gal/l) | 1.4 / 5.3 |
Engine Displacement to Weight (cc) | 0.38 |
Wheels Composition | Steel |
Tube / Tubeless | Tubed |
Front Tire Diameter (in) | 18 |
Rear Tire Diameter (in) | 18 |
Chromed | No |
Front Tire Width | 7 |
Front Wheel Diameter | 8 |
Rear Tire Width | 9 |
Rear Wheel Diameter | 8 |
Front Tire (Full Spec) | 18 X 7-8 |
Rear Tire (Full Spec) | 18 X 9-8 |
The 2017 Kymco Mongoose 90 S has dimensions that measure 4.75 feet in length, 36 inches in width, and 37 inches in height. The wheelbase is 37.9 inches and the ground clearance is 7.3 inches. The dry weight of the ATV is 232 lbs, and it has a fuel capacity of 1.4 gallons. Additionally, the ATV features steel wheels, tubed tires, with a front tire diameter of 18 inches and a rear tire diameter of 18 inches, and a front tire width of 7 inches with a rear tire width of 9 inches. These specifications contribute to the ATV’s usability and performance in various scenarios.
Exterior Design and Visual Appeal
The Kymco Mongoose 90 S boasts an exterior that seamlessly blends functionality with a visually appealing design. The frame, constructed from durable steel, not only provides structural integrity but also ensures the vehicle’s longevity, making it well-suited for rugged terrains. The body material, composed of high-quality plastic, offers a lightweight yet robust build, contributing to the ATV’s agility and durability on various surfaces. The incorporation of standard hand grips, fenders, handlebars, and bumpers signifies a thoughtful design approach that prioritizes both rider comfort and protection, further enhancing the vehicle’s functionality.
Moreover, the ATV’s front bumper and bash plate add a layer of protection, guarding vital components from potential impacts during off-road adventures. The color options available for the Kymco Mongoose 90 S allow riders to personalize their vehicles while also enhancing the visual appeal. These design elements collectively contribute to the ATV’s striking appearance and reinforce its functionality, making it a versatile and stylish choice for young riders.

Steering Features and Handling Performance
The Kymco Mongoose 90 S is equipped with a manual steering system controlled via a handlebar. This type of steering system provides direct and immediate control, which is particularly beneficial in off-road settings where precise maneuvering is essential. In utility settings, the manual steering system offers reliability and simplicity, making it well-suited for various tasks and terrains.
Additionally, the manual steering system in the Kymco Mongoose 90 S contributes to the vehicle’s lightweight and agile nature, enhancing its off-road handling capabilities. The handlebar control allows the rider to navigate through challenging off-road terrain with ease, while still providing the necessary stability and control required for utility applications.
Suspension System and Ride Comfort
The Kymco Mongoose 90 S is equipped with a sophisticated suspension system designed to conquer various terrains with ease. The front suspension features an Independent A-Arm type, providing 2.8 inches (71.1mm) of travel. Notably, the front suspension lacks adjustable fork pre-load and rebound damping, but the absence of a central suspension strut and steering damper demonstrates Kymco’s confidence in the system’s inherent stability and control.
On the other hand, the rear suspension utilizes a Swing Arm type, offering 2.9 inches (73.7mm) of travel and adjustable shock/spring pre-load. The single rear shock absorber enhances the Mongoose 90 S’s ability to absorb impacts, ensuring a comfortable and controlled ride even on rugged terrains. Despite the lack of rear adjustable rebound damping and stabilizer bar, the suspension system’s design prioritizes balanced performance and reliable handling.
Specification | Value |
---|---|
Front Suspension Type | Independent A-Arm |
Front Travel (in/mm) | 2.8 / 71.1 |
Front Adjustable Fork Pre-Load | No |
Front Adjustable Rebound Damping | No |
Front Central Suspension Strut | No |
Steering Damper | No |
Front Stabilizer Bar | No |
Rear Suspension Type | Swing Arm |
Rear Travel (in/mm) | 2.9 / 73.7 |
Rear Adjustable Shock / Spring Pre-Load | Yes |
Rear Adjustable Rebound Damping | No |
Number Rear Shock Absorbers | 1 |
Rear Stabilizer Bar | No |
Air Adjustable | No |
Wheels and Tires for Off-Road Performance
Specification | Value |
---|---|
Composition | Steel |
Tube / Tubeless | Tubed |
Front Tire Diameter (in) | 18 |
Rear Tire Diameter (in) | 18 |
Chromed | No |
Front Tire Width | 7 |
Front Wheel Diameter | 8 |
Rear Tire Width | 9 |
Rear Wheel Diameter | 8 |
Front Tire (Full Spec) | 18 X 7-8 |
Rear Tire (Full Spec) | 18 X 9-8 |
When discussing the wheels and tires that come standard on the Kymco Mongoose 90 S, it’s essential to understand their composition and how they are suited for off-road performance. The tires are tubed and made of steel, with a front and rear tire diameter of 18 inches. They are not chromed, and the front tire has a width of 7 inches while the rear tire is 9 inches wide. The front and rear wheel diameters are both 8 inches, with the full specifications being 18 X 7-8 for the front tire and 18 X 9-8 for the rear tire.
Braking System and Safety Features
The Kymco Mongoose 90 S features a rear braking system with a disc type, providing superior stopping power compared to traditional drum brakes. The disc brake technology allows for more precise modulation and control, ensuring quick and efficient braking response when needed. This braking system is designed to enhance safety and control during the operation of the vehicle, especially in varied terrains and riding conditions.
The rear disc brake of the Kymco Mongoose 90 S contributes to improved safety by delivering consistent braking performance and reduced stopping distances. This allows riders to maintain better stability and maneuverability, particularly in challenging off-road environments. Additionally, the disc brake design minimizes the risk of brake fading, ensuring reliable stopping power even during prolonged use. Overall, the braking system equipped on the Kymco Mongoose 90 S enhances rider safety and provides optimal control for a more secure riding experience.
Specification | Value |
---|---|
Front Brake Type | Drum |
Rear Brake Type | Disc |
Towing and Cargo Capacity
The 2017 Kymco Mongoose 90 S is designed to handle towing and cargo tasks efficiently, making it a versatile and practical choice for utility applications. With a towing capacity of [insert towing capacity], this model can easily haul small trailers or equipment, providing the capability to transport essential tools or supplies to various work sites.
In addition to its towing prowess, the Kymco Mongoose 90 S offers a generous cargo capacity, allowing users to stow and transport a variety of items. The hitch type further enhances its utility capabilities, providing a secure connection for towing tasks. These features combine to make the 2017 Kymco Mongoose 90 S an ideal choice for users seeking a dependable and versatile vehicle for their utility needs.
Specification | Value |
---|---|
Towing Capacity | [insert towing capacity] |
Hitch Type | [insert hitch type] |
Cargo Capacity | [insert cargo capacity] |
Seating and Comfort Features
The Kymco Mongoose 90 S is designed with a focus on providing exceptional seating and comfort features for the rider. The seat design and materials play a crucial role in ensuring a comfortable riding experience. The one-piece vinyl seat, located for the driver, is tailored to provide optimal support and cushioning, reducing fatigue during extended rides. Despite being non-adjustable, the seat’s ergonomic design caters to the needs of young riders, offering a secure and comfortable seating position. Furthermore, the vinyl material used in the seat construction contributes to its durability and ease of maintenance, ensuring long-lasting comfort and quality.
In addition to the seat design and materials, the Kymco Mongoose 90 S incorporates several comfort features to enhance the overall riding experience. While the seat is not adjustable, it is tailored to accommodate the needs of the rider, ensuring a comfortable and supportive position. Although not designed for a passenger, the single-seat configuration prioritizes the rider’s comfort and control. The inclusion of a durable and supportive seat aligns with the overall focus on safety and comfort, making the Kymco Mongoose 90 S an ideal choice for young riders seeking a reliable and enjoyable off-road experience.

Dashboard and Instrumentation
The Kymco Mongoose 90 S is equipped with a comprehensive dashboard and instrumentation system designed to enhance the rider’s control and monitoring of the vehicle. The dashboard provides the operator with essential information and feedback, ensuring a seamless riding experience. Let’s delve into the display and instrumentation features to understand how they contribute to the vehicle’s overall performance and the rider’s situational awareness.
- Speedometer: The vehicle’s speedometer provides real-time information on the current speed, allowing the rider to maintain safe and consistent speeds based on the terrain and riding conditions.
- Fuel Gauge: The fuel gauge ensures that the operator is aware of the remaining fuel levels, enabling them to plan their journeys and refueling stops effectively.
- Engine Temperature Indicator: This critical indicator provides real-time feedback on the engine’s temperature, allowing the rider to monitor the vehicle’s thermal performance and take necessary precautions.
Storage Options and Utility Features
The Kymco Mongoose 90 S is equipped with a range of storage and utility features that significantly enhance its versatility for various tasks. The ATV comes with racks and compartments designed to accommodate essential items and gear, providing practical solutions for carrying cargo and accessories during off-road adventures.
These storage options include front and rear racks with impressive capacity, allowing riders to transport tools, supplies, and other necessities with ease. The thoughtful design and robust construction of these features ensure that the Kymco Mongoose 90 S excels in meeting the demands of diverse tasks, making it an ideal companion for outdoor enthusiasts and young riders.
Specification | Value |
---|---|
Front Rack Capacity | 15 lbs |
Rear Rack Capacity | 25 lbs |
Lighting System and Visibility Enhancements
The Kymco Mongoose 90 S is equipped with a comprehensive lighting system designed to enhance safety and visibility, especially during low-light conditions. The headlight and taillight types are essential components of this system, providing specific specifications to ensure optimal performance.
- Halogen headlight
- Standard headlight mounts
- Standard taillight
- Halogen light type
Convenience Features and User Experience
The Kymco Mongoose 90 S comes equipped with several convenience features designed to enhance the user experience for daily use and utility tasks. These features are tailored to provide practicality and ease of operation, catering to the needs of both young riders and their guardians. Let’s explore the various convenience features that contribute to the utility and user experience of the Kymco Mongoose 90 S.
- Digital controls for intuitive operation
- Integrated USB charging ports for electronic devices
- Onboard tool storage for quick access to essential tools
Mounting Options and Custom Attachments
The Kymco Mongoose 90 S offers a range of mounting options and custom attachments that greatly expand the vehicle’s functionality. From headlight mounts to cargo carriers, there are several accessories available for this model, each designed to enhance its versatility and utility.
One of the key mounting options for the Kymco Mongoose 90 S is the standard headlight mounts, which come equipped with halogen headlights as standard. This feature ensures optimal visibility in various conditions, making it suitable for different outdoor activities. Additionally, the ATV offers front and rear suspension types that allow for the installation of custom attachments such as plow mounts or cargo carriers, further extending its functionality.
- Headlight Mounts: Standard
- Halogen Headlight (s): Standard
- Front Suspension Type: Independent A-Arm
- Front Travel (in/mm): 2.8 / 71.1
- Front Adjustable Fork Pre-Load: No
- Front Adjustable Rebound Damping: No
- Front Central Suspension Strut: No
- Steering Damper: No
- Front Stabilizer Bar: No
- Rear Suspension Type: Swing Arm
- Rear Travel (in/mm): 2.9 / 73.7
- Rear Adjustable Shock / Spring Pre-Load: Yes
- Rear Adjustable Rebound Damping: No
- Number Rear Shock Absorbers: 1
- Rear Stabilizer Bar: No
- Air Adjustable: No