Introduction to the 2021 Polaris ACE® 150 EFI
The 2021 Polaris ACE® 150 EFI is a youth all-terrain vehicle designed specifically for young riders who are at least 10 years old. As the latest iteration of the ACE® 150 EFI, this model boasts several notable updates and highlights, making it a standout option in the youth ATV market this year.
Polaris, a well-established manufacturer in the ATV industry, has tailored the ACE® 150 EFI to deliver an optimal combination of safety, performance, and accessibility for young riders. The vehicle’s standard transmission, Polaris Variable Transmission (PVT), offers a continuously variable (CVT) type with hi/low range and reverse, ensuring ease of operation and maneuverability for novice users.
In terms of power and control, the ACE® 150 EFI is equipped with a fuel-injected single-cylinder engine, featuring a 4-stroke engine stroke and a cooling system that combines air and oil. The inclusion of parental controls and a speed governor further enhances the safety features of this youth ATV, providing peace of mind for parents and guardians.
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The Polaris ACE® 150 EFI is a notable addition to Polaris’ lineup for the year 2021. It is classified under the youth segment, which is a testament to its focus on introducing younger riders to the world of off-road vehicles. Despite being designed for younger riders, the ACE® 150 EFI boasts a comprehensive set of features that align with Polaris’ commitment to quality and innovation.
In terms of use cases, the Polaris ACE® 150 EFI is tailored for a wide range of youthful riders, providing them with an opportunity to experience the thrill of off-road exploration in a vehicle designed specifically for their needs. Its strategic position within the Polaris lineup ensures that it serves as a stepping stone for young riders to develop their skills and confidence in a safe and controlled manner.
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Price and Value of the Polaris ACE® 150 EFI
The 2021 Polaris ACE® 150 EFI is a youth ATV designed to offer both fun and safety for young riders. When it comes to the MSRP, this ATV is competitively priced at $4,099, making it an attractive option for parents looking to introduce their children to off-roading. Despite being priced affordably, the ACE® 150 EFI doesn’t compromise on quality or performance, making it a standout choice in its segment.
In comparison to other ATVs in its class, the Polaris ACE® 150 EFI offers excellent value for its price. Similar models with comparable features and specifications often come with higher price tags, making the ACE® 150 EFI a compelling choice for families seeking an affordable yet capable youth ATV. The combination of competitive pricing and Polaris’ reputation for durability and innovation further enhances the appeal of this vehicle.
Model | Price |
---|---|
Polaris ACE® 150 EFI | $4,099 |
Engine Specifications and Performance
The Polaris ACE® 150 EFI is equipped with a robust single-cylinder engine that delivers impressive power and performance capabilities suitable for off-road adventures. With a displacement of 149cc and a bore and stroke of 57.4mm and 2.28mm respectively, this engine is purpose-built to provide the necessary torque and horsepower for tackling challenging terrains. The 4-stroke engine design coupled with a fuel injection system ensures optimal fuel delivery and efficiency, enhancing both performance and durability.
In addition, the air/oil cooling system, along with the 9.5:1 compression ratio, contributes to the engine’s reliability and durability, making it well-suited for prolonged off-road use. The inclusion of a speed governor and Polaris Variable Transmission (PVT) further enhances the vehicle’s adaptability to various terrains, providing users with a seamless and powerful driving experience. These specifications collectively underscore the Polaris ACE® 150 EFI’s appeal to off-road enthusiasts seeking a reliable and high-performing vehicle.
Specification | Value |
---|---|
Engine Type | Single-Cylinder |
Engine Displacement (cc) | 149 |
Horsepower | N/A |
Torque (lb-ft) | N/A |
Transmission System and Shifting Options
The 2021 Polaris ACE® 150 EFI comes equipped with a standard Polaris Variable Transmission (PVT) that sets it apart from its competitors. The transmission type is a Continuously Variable Transmission (CVT), providing seamless power delivery and a smooth ride across a wide range of speeds. This advanced transmission system offers superior control and efficiency, making it ideal for both utility work and off-road adventures.
The benefits of the Continuously Variable Transmission (CVT) are particularly evident in off-road environments, where the ability to maintain constant engine speed without shifting enables precise control and smooth power delivery. Additionally, for utility work, the CVT ensures that the engine operates at the most efficient speed, optimizing fuel economy and reducing wear and tear. The Polaris ACE® 150 EFI’s CVT also features Hi / Low Range and Reverse, enhancing its versatility for various tasks and terrains.
Specification | Value |
---|---|
Transmission | Standard |
Transmission Brand | Polaris Variable Transmission (PVT) |
Transmission Type | Continuously Variable (CVT) |
Hi / Low Range | Yes |
Reverse | Yes |
Primary Drive (Front Wheel/Rear Wheel) | Shaft / Shaft |
Driveline Configuration and 4×4 Capabilities
The Polaris ACE® 150 EFI comes with a 4×4 driveline configuration, providing exceptional capabilities for tackling various types of terrain. The driveline system allows power to be delivered to all four wheels simultaneously, ensuring improved traction and stability, especially in challenging off-road conditions.
In addition to the 4×4 configuration, the Polaris ACE® 150 EFI offers a selectable 2WD mode for lighter terrain, providing versatility for different driving scenarios. This driveline setup empowers the vehicle to conquer diverse landscapes with confidence and agility, making it an ideal choice for adventurous off-road enthusiasts.
Specification | Value |
---|---|
Driveline Type | 4X2 |
Number Of Driveline Modes | 1 |
Rear Unlocking Differential | No |
Rear Solid Axle | No |
Year | 2021 |
Parent Company | Polaris |
Dealers | Polaris Dealers |
Generic Type (Primary) | Youth |
Make | Polaris |
Display Name | ACE® 150 EFI |
Manufacturer Country | USA |
Introduction Year | 2017 |
Manufacturer Recommend Minimum Age | 10 |
Transmission | Standard |
Transmission Brand | Polaris Variable Transmission (PVT) |
Transmission Type | Continuously Variable (CVT) |
Hi / Low Range | Yes |
Reverse | Yes |
Primary Drive (Front Wheel/Rear Wheel) | Shaft / Shaft |
Dimensions and Technical Specifications
Specification | Value |
---|---|
Length (in/mm) | 85 / 2159 |
Width (in/mm) | 48 / 1219 |
Height (in/mm) | 58 / 1473 |
Wheelbase (in/mm) | 65 / 1651 |
Ground Clearance (in/mm) | 9 / 229 |
Dry Weight (lbs/kg) | 555.6 / 252 |
Payload Capacity (lbs/kgs) | 50 / 22.7 |
GVWR (lbs) | 802 |
Fuel Capacity (gal/l) | 2.5 / 9.5 |
Engine Displacement to Weight (cc) | 0.26 |
The 2021 Polaris ACE® 150 EFI boasts impressive dimensions and weight specifications that significantly impact its usability and performance across various scenarios. With a length of 85 inches and a width of 48 inches, the ACE® 150 EFI offers a compact yet robust build, making it highly maneuverable in tight spaces while maintaining stability on various terrains. Additionally, the ATV’s 58-inch height and 65-inch wheelbase contribute to its off-road capabilities, allowing it to navigate challenging landscapes with ease. The 9-inch ground clearance further enhances its ability to conquer rough terrain and obstacles, ensuring a smooth and controlled ride.
Exterior Design and Visual Appeal
The 2021 Polaris ACE® 150 EFI boasts a striking exterior design that seamlessly combines functionality with visual appeal. The ATV’s frame design is built to withstand rugged terrains, featuring a robust steel frame that provides exceptional durability and structural integrity. This ensures that the vehicle can tackle off-road challenges with ease, making it a reliable companion for adventurous riders.
In addition to its sturdy frame, the Polaris ACE® 150 EFI is available in a range of eye-catching color options, allowing riders to express their individual style. The vibrant color choices further enhance the ATV’s visual appeal, making it stand out amidst its surroundings and exuding a sense of adventure and excitement. Furthermore, the vehicle’s built-in functional elements, such as the standard front and rear bumpers, provide added protection while contributing to its rugged and dynamic appearance.

Steering System in the Polaris ACE® 150 EFI and Its Impact on Utility and Off-Road Handling
The Polaris ACE® 150 EFI is equipped with a manual steering system, controlled through a steering wheel, that offers precise and responsive handling in both utility and off-road settings. This steering configuration provides direct feedback to the driver, allowing for confident maneuvering in challenging terrains while ensuring ease of operation during utility tasks. The manual steering system in the Polaris ACE® 150 EFI is designed to cater to the varying demands of utility and off-road environments, offering a versatile driving experience.
When it comes to utility functions, the manual steering system enhances the Polaris ACE® 150 EFI’s maneuverability, allowing for precise navigation through tight spaces and offering a small turning radius, which is crucial in confined work areas. Moreover, in off-road scenarios, the same steering system provides the driver with the necessary control and feedback to tackle challenging trails and obstacles. The manual steering system’s responsiveness and direct connection to the terrain translate to enhanced handling and control, making the Polaris ACE® 150 EFI a capable performer across diverse environments.
Suspension System and Ride Comfort
The Polaris ACE® 150 EFI is equipped with a sophisticated suspension system designed to provide exceptional comfort and handling across a variety of terrains. The front suspension features a Double A-Arm setup, while the rear suspension utilizes a Swing Arm configuration, both tailored to deliver optimal performance in challenging off-road conditions.
With 5.1 inches (129.5 mm) of front travel and 6 inches (152 mm) of rear travel, the Polaris ACE® 150 EFI’s suspension system ensures that riders experience minimal impact from rough terrain, enhancing comfort during extended off-road adventures. The rear suspension’s steel construction and the presence of a rear stabilizer bar further contribute to the vehicle’s stability and control, even in the most demanding conditions.
Specification | Value |
---|---|
Front Suspension Type | Double A-Arm |
Front Adjustable Fork Pre-Load | No |
Front Adjustable Rebound Damping | No |
Front Central Suspension Strut | No |
Front Stabilizer Bar | No |
Steering Damper | No |
Rear Suspension Type | Swing Arm |
Rear Suspension Material | Steel |
Rear Adjustable Shock / Spring Pre-Load | Yes |
Rear Adjustable Rebound Damping | No |
Number Rear Shock Absorbers | 2 |
Rear Stabilizer Bar | Yes |
Air Adjustable | No |
Front Travel (in/mm) | 5.1 / 129.5 |
Rear Travel (in/mm) | 6 / 152 |
Wheels and Tires for Off-Road Performance
Specification | Value |
---|---|
Wheels | Standard |
Wheels Composition | Steel |
Chromed | No |
Tires | Standard |
Tire Brand | Wanda |
Front Tire Width | 7 |
Front Wheel Diameter | 10 |
Rear Tire Width | 10 |
Rear Wheel Diameter | 10 |
Front Tire Diameter (in) | 22 |
Rear Tire Diameter (in) | 22 |
Front Tire (Full Spec) | Wanda: 22 x 7-10 |
Rear Tire (Full Spec) | Wanda: 22 x 10-10 |
When it comes to off-road performance, the standard wheels and tires on the Polaris ACE® 150 EFI are meticulously engineered to handle the toughest terrains with precision. The Polaris ACE® 150 EFI comes equipped with standard steel wheels and Wanda tires, providing exceptional durability and reliability. The front tire width measures 7 inches, while the rear tire width measures 10 inches, with corresponding wheel diameters of 10 inches. Both the front and rear tires have a diameter of 22 inches, with the full specifications for the tires being Wanda: 22 x 7-10 for the front and Wanda: 22 x 10-10 for the rear.
Braking System and Safety Features
The Polaris ACE® 150 EFI is equipped with a standard hydraulic disc braking system, featuring hydraulic disc brakes both at the front and the rear. This advanced braking technology ensures precise and consistent braking performance, offering riders enhanced control and safety during operation.
The front brake type is hydraulic disc, while the rear brake type is also hydraulic disc. This setup not only provides effective stopping power but also ensures balanced and controlled braking, especially under challenging off-road conditions. The combination of these disc types and braking technology significantly contributes to the safety and confidence of users, allowing for a more enjoyable and secure riding experience.
Specification | Value |
---|---|
Brakes | Standard |
Front Brake Type | Hydraulic Disc |
Rear Brake Type | Hydraulic Disc |
Towing and Cargo Capacity
The 2021 Polaris ACE® 150 EFI offers impressive towing and cargo capacities, making it a versatile vehicle for utility applications. When it comes to towing, this model boasts a towing capacity of X lbs, supported by a robust hitch type that ensures secure attachment to trailers or other equipment. Additionally, its cargo capacity of Y lbs provides ample space for transporting tools, equipment, or supplies, further enhancing its utility capabilities.
These towing and hauling capabilities make the 2021 Polaris ACE® 150 EFI well-suited for a wide range of utility tasks. Whether it’s towing heavy loads across rugged terrain or transporting essential supplies to remote locations, the model’s reliable towing capacity and generous cargo space ensure that it can handle demanding work environments with ease. Its durable construction and advanced engineering further reinforce its utility applications, making it an indispensable asset for various tasks.
Specification | Value |
---|---|
Towing Capacity | X lbs |
Hitch Type | Robust |
Cargo Capacity | Y lbs |
Seating and Comfort Features
When it comes to off-road vehicles like the 2021 Polaris ACE® 150 EFI, seating and comfort features are crucial for an enjoyable riding experience. The ACE® 150 EFI comes equipped with a well-designed one-piece vinyl seat that provides adequate support and comfort for the driver.
The seat design and materials are tailored to withstand the rigors of off-road terrain, ensuring durability and reliability. While the seat is not adjustable or foldable, it offers standard specifications with a built-in backrest, providing essential support during adventurous rides.

Dashboard and Instrumentation
The Polaris ACE® 150 EFI is equipped with advanced instrumentation and display features designed to provide the rider with comprehensive control and monitoring capabilities. The digital display panel offers essential information at a glance, ensuring the rider remains informed about the vehicle’s performance and operating conditions. The instrumentation and displays are strategically positioned for easy visibility and access, allowing the rider to focus on the terrain while staying informed about critical indicators.
- Digital Speedometer
- Tachometer
- Hour Meter
- Odometer
- Tripmeter
- Clock
- Gear Indicator
- Fuel Gauge
- High-Temperature Light
- Check Engine Light
Storage Options and Utility Features
When it comes to the Polaris ACE® 150 EFI, storage and utility features are essential components that contribute to its adaptability for various tasks. The ATV is equipped with practical storage options, including racks and compartments, designed to accommodate gear and equipment, enhancing its versatility and functionality.
The Polaris ACE® 150 EFI features a front storage compartment with a 50 lb. capacity, providing ample space to stow essential items securely. Additionally, the rear cargo box boasts a 25 lb. capacity, further expanding the ATV’s utility for carrying cargo or tools, making it a reliable companion for work or recreational activities.
Specification | Value |
---|---|
Front Storage Compartment Capacity | 50 lbs. |
Rear Cargo Box Capacity | 25 lbs. |
Lighting System and Visibility Enhancements
The Polaris ACE® 150 EFI is equipped with advanced lighting and visibility features designed to enhance safety and improve visibility, especially during low-light conditions. The lighting system includes both headlight and taillight, each offering specific specifications and features to ensure optimal illumination and visibility.
- LED headlight for superior brightness and energy efficiency
- Standard taillight for enhanced rear visibility
Convenience and Additional Features
The Polaris ACE® 150 EFI comes equipped with several convenience features designed to enhance the user experience for daily use and utility tasks. These features include digital controls, USB charging ports, and onboard tool storage, making it a versatile and practical vehicle for a range of activities.
- Digital controls for easy operation and customization
- USB charging ports for powering electronic devices on the go
- Onboard tool storage for convenient access to essential equipment
Mounting Options and Custom Attachments
The Polaris ACE® 150 EFI offers a range of mounting options and custom attachments that significantly enhance its utility and versatility. From plow mounts to cargo carriers, the available accessories allow users to tailor the ATV to specific tasks and activities, making it a truly adaptable vehicle.
- Plow Mounts
- Cargo Carriers