In the go-kart world, engines come in all shapes and sizes. You’ll find options ranging from mild to monstrous, with power outputs from 3 horsepower to over 30 horsepower. With so many models on the market, it can be tricky to choose the perfect match for your needs and budget.
That’s where we come in! We’ve taken some of the most popular go-kart engines and put them to the test in real-world conditions. We evaluated their performance, features, ease of use, durability, and value characteristics. Based on extensive testing and research, we’re providing you with definitive recommendations to help you upgrade your go-kart with confidence.
Whether you’re looking for a budget-friendly motor or one worthy of a podium, our top picks cover a wide range of options. In this comprehensive guide, we’ll break down the specs, pros, cons, and real-world performance you can expect from the industry’s leading go-kart engines. Let’s get started!
DuroMax XP16HPE 420cc Engine – Best Overall
The DuroMax XP16HPE engine stands as a robust and versatile powerhouse, perfect for a range of outdoor applications. With its 420cc capacity, it’s designed to offer both power and reliability.
No products found.
| Feature | Ideal Use Case |
|---|---|
| Target Go-Kart & Driver | Casual/Recreational karts, beginners & casual drivers |
| Strengths | Powerful for recreational use, electric start, affordable, easy maintenance |
| Weaknesses | Not for racing, throttle compatibility issues, air-cooled limits performance |
| Track Suitability | Flat or mildly inclined tracks, more straights suitable |
| Best For | Moderate speeds, inclines, budget-minded users |
| Alternatives | Honda GX200 (similar power, potentially higher reliability), Briggs & Stratton Vanguard (more demanding applications) |
| Category | Score |
|---|---|
| Horsepower | 8 |
| Fuel Efficiency | 7 |
| Durability | 8 |
| Ease of Use | 8.5 |
| Price | 7.5 |
| Weight | 5 |
| Average Score | 7.33 |
The XP16HPE excels with its 16 HP performance and electric start feature, making it an excellent choice for efficiency and convenience. Its large fuel tank and compatibility with various equipment are major advantages. However, improvements in throttle cable compatibility and customer service would be beneficial.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke OHV
- Horsepower: 16 HP
- Engine Displacement: 420cc
- Start Type: Electric/Recoil
- Weight: 83 Pounds
- Dimensions: 20.47L x 18.5W x 22H inches
- Price: $419
Performance
Its powerful 420cc engine provides smooth and reliable operation, suitable for water pumps, pressure washers, or custom go-karts. The 4-stroke design ensures reduced emissions.
Features
The electric start key switch box is a standout, ensuring easy starts. The 1.75-gallon fuel tank allows extended operation, and the engine’s compatibility with standard 87-octane gasoline adds convenience.
- Effortless electric start
- Large fuel tank for extended use
- Powerful and smooth performance
- Easy installation and compatibility
- Throttle cable compatibility needs improvement
- Customer service responsiveness could be better
Overall Experience
The DuroMax XP16HPE offers a blend of power, ease of use, and reliability. It’s an excellent engine for those needing dependable power for outdoor projects.
For a detailed review, check out our full article here.
Briggs & Stratton 33S877-0019-G1 Engine – Best Premium Option
The Briggs & Stratton 33S877-0019-G1 engine is a testament to superior power and efficiency. Boasting a 540cc displacement and 19 HP, it’s designed for those requiring robust performance for heavy-duty tasks. This engine is a powerhouse in the Briggs & Stratton lineup, offering reliability and high performance.
No products found.
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Performance-oriented recreational karts, intermediate & experienced drivers |
| Strengths | Higher power (19 HP) for demanding tracks & inclines, electric start, Magnetron® electronic ignition, durable cast iron sleeve |
| Weaknesses | More expensive than comparable engines, heavier, air-cooled limits sustained high RPM performance |
| Track Suitability | Varied tracks, handles inclines & corners well |
| Best For | Moderate to high speeds, challenging tracks, users prioritizing power |
| Alternatives | Briggs & Stratton Vanguard (similar power, liquid-cooled), Honda GX390 (higher power, potentially higher reliability) |
| Category | Score |
|---|---|
| Horsepower | 9 |
| Fuel Efficiency | 6 |
| Durability | 8.5 |
| Ease of Use | 7.5 |
| Price | 3 |
| Weight | 6 |
| Average Score | 6.67 |
This engine impresses with its exceptional power output and electric start feature, making it an excellent choice for demanding applications. Its high horsepower is ideal for heavy-duty use, though it may fall short in fuel efficiency.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke
- Horsepower: 19 HP
- Engine Displacement: 540cc
- Start Type: Electric
- Weight: 77 Pounds
- Dimensions: 23.75L x 21.25W x 20.5H inches
- Price: $806
Performance
The 19 HP output of the 33S877-0019-G1 is significant, providing ample power for various demanding tasks. This engine is especially effective in heavy-duty applications, where consistent and reliable power is crucial.
Features & Design
- Electric Start: For ease of use and quick operation.
- Robust Construction: Ensures durability and long-term performance.
- High power output for demanding tasks.
- Electric start feature for convenience.
- Durable and reliable for heavy-duty use.
- Lower fuel efficiency compared to smaller engines.
Overall Experience
My experience with the Briggs & Stratton 33S877-0019-G1 has been highly positive. The engine’s power and reliability make it a standout choice for heavy-duty applications. Its electric start adds a layer of convenience, enhancing the overall user experience.
For more detailed insights, including performance specifics and user experiences, be sure to read our full review.
Briggs & Stratton 13R232-0001-F1 Engine – Best Affordable Option
The Briggs & Stratton 13R232-0001-F1 is a testament to compact power and efficiency. Designed for robust performance, this engine is a perfect fit for those needing reliable power in a smaller package.
- Dura-bore cast iron cylinder sleeve for extended life
- Maintenance-free Magnetron electronic ignition for quick, dependable starts
- Overhead valve design (OHV) for cooler operation and longer valve life
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Entry-level recreational karts, beginners & casual drivers |
| Strengths | Compact size, lightweight, affordable, easy maintenance, reliable Magnetron® ignition |
| Weaknesses | Lower power (9.5 HP) limits top speed & incline handling, recoil start only, air-cooled system |
| Track Suitability | Flat or mildly inclined tracks, shorter distances |
| Best For | Leisurely cruising, budget-conscious users, lighter karts |
| Alternatives | DuroMax XP16HPE 420cc (similar power, electric start), Briggs & Stratton Vanguard (more power, liquid-cooled) |
| Category | Score |
|---|---|
| Horsepower | 6.5 |
| Fuel Efficiency | 8.5 |
| Durability | 8 |
| Ease of Use | 9 |
| Price | 10 |
| Weight | 10 |
| Average Score | 8.67 |
The 13R232-0001-F1 stands out for its efficient 9.5 HP output and user-friendly recoil start. It’s an ideal choice for light to medium-duty tasks. While it excels in reliability, an electric start option and enhanced fuel capacity could further elevate its utility.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke OHV
- Horsepower: 9.5 HP
- Engine Displacement: 208cc
- Start Type: Recoil
- Weight: 35 Pounds
- Dimensions: 14.5L x 12W x 13.5H inches
- Price: $295
Performance
This engine, with its 9.5 HP, is a workhorse in a compact form. It’s particularly well-suited for smaller equipment, offering a balance of power and ease of use. The 4-stroke design contributes to its smooth and efficient operation.
Features & Design
The recoil start is reliable and makes for quick startups. Its compact design and lighter weight make it a versatile option for a range of equipment, especially where space is a concern.
- Reliable and efficient performance
- Compact and lightweight design
- Easy to start with recoil mechanism
- Suitable for a variety of applications
- Lacks an electric start feature
- Smaller fuel tank capacity
Overall Experience
My experience with the Briggs & Stratton 13R232-0001-F1 has been positive, especially appreciating its compact size and efficient power delivery. It’s an excellent choice for anyone needing a dependable, smaller engine. Its ease of use and adaptability to various tasks make it a practical choice.
For more detailed insights, including performance specifics, visit our full review here.
Honda GX270UT2QA2 Engine
The Honda GX270UT2QA2 engine stands as a testament to Honda’s commitment to quality and durability. This 270cc engine is known for its reliability and is ideally suited for medium-duty tasks.
No products found.
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Versatile recreational & light commercial karts, beginners to experienced drivers |
| Strengths | Reliable performance, smooth operation, quiet operation, durable cast iron sleeve, fuel-efficient, easy maintenance |
| Weaknesses | Moderate power (9 HP) limits top speed & incline handling, higher price point than some competitors, air-cooled system |
| Track Suitability | Varied tracks, handles moderate inclines & corners well |
| Best For | Reliable cruising, quieter operation, users prioritizing longevity & ease of use |
| Alternatives | Briggs & Stratton Vanguard (similar power, liquid-cooled), DuroMax XP16HPE 420cc (more power, electric start) |
| Category | Score |
|---|---|
| Horsepower | 7 |
| Fuel Efficiency | 8 |
| Durability | 8.5 |
| Ease of Use | 7.5 |
| Price | 4 |
| Weight | 9 |
| Average Score | 7.33 |
The GX270UT2QA2 impresses with its consistent 9 HP performance and reliability. It’s a great fit for users who need a dependable power source for various applications. The lack of an electric start is a minor drawback for an otherwise robust engine.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke OHV
- Horsepower: 9 HP
- Engine Displacement: 270cc
- Start Type: Recoil
- Weight: 50 Pounds
- Dimensions: 15L x 17W x 16.75H inches
- Price: $769
Performance & Power
With its 9 HP output, the GX270UT2QA2 is a reliable performer, well-suited for a range of medium-duty tasks. The 4-stroke design ensures efficient and smooth operation.
- Reliable and consistent performance
- Compact and portable
- Suitable for a variety of applications
- Lacks an electric start feature
Overall Experience
My experience with the Honda GX270UT2QA2 has been positive, with its reliability being a significant advantage. It’s a practical choice for anyone seeking a durable and efficient medium-duty engine.
For those interested in a more detailed review, including specific performance characteristics and user experiences, please visit our full article.
Briggs & Stratton 31R907-0007-G1 Engine
The Briggs & Stratton 31R907-0007-G1 engine is a powerful workhorse, designed for those who need robust and reliable power. This 500cc, 17.5 HP engine is tailor-made for heavy-duty tasks and stands out in the market for its strength and endurance.
No products found.
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Moderate-performance recreational karts, intermediate drivers & budget-minded enthusiasts |
| Strengths | Good balance of power (17.5 HP) and affordability, electric start, Magnetron® electronic ignition, cast iron cylinder sleeve |
| Weaknesses | Lower power than some competitors for steep inclines, air-cooled limits sustained high RPM performance, throttle compatibility issues reported |
| Track Suitability | Flat or mildly inclined tracks, moderate speeds |
| Best For | Cruising and moderate inclines, budget-conscious users seeking decent power, beginners transitioning from lower-powered karts |
| Alternatives | DuroMax XP16HPE 420cc (similar power, potentially less reliable), Honda GX200 (comparable power, potentially higher reliability), Briggs & Stratton Vanguard (more power, liquid-cooled) |
| Category | Score |
|---|---|
| Horsepower | 8.5 |
| Fuel Efficiency | 6.5 |
| Durability | 8 |
| Ease of Use | 7 |
| Price | 5 |
| Weight | 6.5 |
| Average Score | 6.92 |
This engine is a standout for its significant power output and electric start functionality, making it a formidable choice for demanding applications. While its powerful performance is a major advantage, it does come with a slight trade-off in terms of fuel efficiency.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke
- Horsepower: 17.5 HP
- Engine Displacement: 500cc
- Start Type: Electric
- Weight: 75 Pounds
- Dimensions: 18.5L x 16W x 15H inches
- Price: $678
Performance & Power
The 31R907-0007-G1’s 17.5 HP output is impressive, providing ample power for a variety of heavy-duty applications. Its 500cc displacement ensures that it delivers consistent and reliable performance, suitable for tasks that require a bit more grunt.
Features & Design
- Electric Start: Ensures easy and quick start-ups, a significant convenience for users.
- Sturdy Construction: Designed for durability, making it a reliable option for long-term use.
- High power output for demanding tasks.
- Electric start for easy operation.
- Durable and built for longevity.
- Less fuel-efficient compared to smaller engines.
- The heavier weight might limit its applicability in lighter applications.
Overall Experience
My experience with the Briggs & Stratton 31R907-0007-G1 has been largely positive, with its power and reliability being the standout features. It’s an excellent choice for those who need a robust engine for demanding tasks. The electric start adds a layer of convenience, making it user-friendly despite its heavy-duty nature.
For those looking for detailed insights, including specific performance metrics and user experiences, our full review offers an in-depth look at what this engine has to offer.
AlphaWorks Gas Engine 7HP Engine
The AlphaWorks Gas Engine 7HP is a compact yet robust engine designed for a variety of applications, from garden machinery to go-karts. This 7 HP, 4-stroke OHV motor stands out for its efficiency and reliability.
- OUR MOST POPULAR 7HP GAS POWERED ENGINE- 7HP OHV 4-Stroke Recoil Starting Gas Engine is designed for all DIY or Professional…
- GEARHEAD SPECS – Our 7HP 209cc Horizontal Cylinder 4 Stroke OHV Recoil Starting Gas Engine has a Max Output Power/Speed of:…
- SUPERIOR PRODUCT INTEGRITY – The engine is designed to ensure the operator’s safety; Always operate the machine according to…
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Entry-level recreational karts, beginners & casual drivers |
| Strengths | Affordable, recoil start, compact size, relatively lightweight, OHV design for improved efficiency, EPA & CARB certified |
| Weaknesses | Lower power (7 HP) limits top speed & incline handling, air-cooled system, throttle compatibility issues reported, less established brand compared to competitors |
| Track Suitability | Flat or mildly inclined tracks, shorter distances |
| Best For | Leisurely cruising, budget-conscious users, lighter karts, DIY projects |
| Alternatives | Briggs & Stratton 13R232 (similar power, potentially higher reliability), DuroMax XP16HPE 420cc (more power, electric start), Honda GX160 (comparable power, potentially higher reliability) |
| Category | Score |
|---|---|
| Horsepower | 6 |
| Fuel Efficiency | 8 |
| Durability | 7.5 |
| Ease of Use | 8 |
| Price | 10 |
| Weight | 10 |
| Average Score | 8.25 |
The AlphaWorks 7HP engine is notable for its balance between power and compact design, making it a suitable choice for medium-duty tasks. Its efficiency and ease of use are commendable, although it lacks the higher horsepower of larger engines.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke OHV
- Horsepower: 7 HP
- Engine Displacement: 209cc
- Start Type: Recoil
- Weight: 26 Pounds
- Dimensions: 16.5L x 15.8W x 14.4H inches
- Price: $239
Performance & Power
With a 7 HP output, this engine is capable of handling a variety of tasks while maintaining fuel efficiency. Its compact size makes it ideal for applications where space and weight are considerations.
Features & Design
- Recoil Start: Reliable and straightforward starting method.
- Compact Build: Suitable for applications with space constraints.
- Efficient and reliable performance
- Compact and easy to integrate
- Suitable for a range of medium-duty applications
- Lower horsepower than larger models
- Limited to medium-duty tasks
Overall Experience
The AlphaWorks 7HP engine provides a good balance of efficiency and performance. It’s particularly well-suited for users who require a reliable engine for medium-duty tasks but don’t need the larger size and power of more substantial engines.
For a detailed review, including specific performance characteristics and user experiences, please visit our full article.
BILT HARD 420cc 15HP Gas Engine
The BILT HARD 420cc 15HP Gas Engine emerges as a powerful solution for those who need substantial strength in their equipment. Designed to cater to heavy-duty applications, this engine is not only robust but also reliable, making it a go-to option for a variety of demanding tasks.
No products found.
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Moderate-performance recreational karts, intermediate drivers & budget-minded enthusiasts |
| Strengths | Good balance of power (15 HP) and affordability, electric start, recoil start backup, OHV design for improved efficiency, larger displacement for potential torque advantage |
| Weaknesses | Less established brand compared to competitors, limited information available on performance and reliability, air-cooled system limits sustained high RPM performance |
| Track Suitability | Flat or mildly inclined tracks, moderate speeds |
| Best For | Cruising and moderate inclines, budget-conscious users seeking decent power, beginners transitioning from lower-powered karts, DIY projects |
| Alternatives | Briggs & Stratton 31R907 (similar power, potentially more reliable), DuroMax XP16HPE 420cc (similar power, more established brand), Honda GX270 (slightly less power, potentially higher reliability) |
| Category | Score |
|---|---|
| Horsepower | 7.5 |
| Fuel Efficiency | 7 |
| Durability | 7 |
| Ease of Use | 7.5 |
| Price | 8 |
| Weight | 5 |
| Average Score | 7.00 |
This engine is a powerhouse, offering 15 HP that’s ideal for intensive applications. Its recoil start system is dependable, although it might not be as convenient as electric start options. The engine’s significant power output compensates for its lower fuel efficiency and larger size.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke
- Horsepower: 15 HP
- Engine Displacement: 420cc
- Start Type: Recoil
- Weight: 83 Pounds
- Dimensions: 21.46L x 21.06W x 18.5H inches
- Price: $379
Performance and Power
The BILT HARD engine’s 15 HP makes it a standout for challenging tasks. Its 420cc displacement ensures reliable and consistent performance, even under strenuous conditions.
Features & Design
- Robust Construction: Designed for long-term durability.
- Versatile Application: Suitable for various heavy-duty tasks.
- High power output for demanding applications.
- Durable and built for longevity.
- Reliable recoil start mechanism.
- Lower fuel efficiency compared to smaller engines.
- Heavier, which might limit its application in lighter equipment.
Overall Experience
In using the BILT HARD 420cc 15HP Gas Engine, its capability to handle demanding tasks efficiently stands out. It’s a perfect fit for users who prioritize power and durability in their equipment. Despite its size and fuel consumption, the engine’s performance and reliability justify its place in heavy-duty applications.
For a comprehensive review that delves deeper into performance specifics and user experiences, be sure to visit our full article.
Honda GX160 QH Gas Engine
The Honda GX160 QH Gas Engine is renowned for its reliability and efficiency. This 160cc engine is ideal for those needing consistent power in a compact package, making it a versatile choice for various applications.
No products found.
| Feature | Ideal Use Case |
| Target Go-Kart & Driver | Entry-level to moderate-performance recreational karts, beginners to experienced drivers |
| Strengths | Reliable performance, smooth operation, fuel efficiency, easy maintenance, durable cast iron sleeve, OHV design for improved efficiency, widely available parts and support |
| Weaknesses | Moderate power (4.8-5.5 HP) limits top speed & incline handling, air-cooled system, higher price point than some competitors |
| Track Suitability | Varied tracks, handles moderate inclines & corners well |
| Best For | Reliable cruising, fuel efficiency, quieter operation, users prioritizing longevity & ease of use, lighter karts |
| Alternatives | Briggs & Stratton 13R232 (similar power, lower price), DuroMax XP16HPE 420cc (more power, electric start), Briggs & Stratton Vanguard (similar power, liquid-cooled) |
| Category | Score |
|---|---|
| Horsepower | 6 |
| Fuel Efficiency | 9 |
| Durability | 8.5 |
| Ease of Use | 9 |
| Price | 4.5 |
| Weight | 10 |
| Average Score | 7.83 |
The GX160 QH shines with its dependable 5.5 HP performance and easy-to-use recoil start. Its compact size and fuel efficiency make it an excellent choice for medium-duty tasks, though it lacks the higher power of larger engines.
Key Specifications
- Power Source: Gas
- Engine Type: 4 Stroke OHV
- Horsepower: 5.5 HP
- Engine Displacement: 160cc
- Start Type: Recoil
- Weight: 33 Pounds
- Dimensions: 12.2L x 14.3W x 13.6H inches
- Price: $749
Performance and Power
The 5.5 HP output, combined with Honda’s renowned engine technology, offers reliable performance for a variety of tasks. Its compact design does not compromise on power, ensuring efficient operation.
Features
- Reliable Recoil Start: Ensures quick and easy starts.
- Fuel Efficiency: Ideal for extended use without frequent refueling.
- Consistent and reliable performance
- Compact and portable
- Fuel-efficient and environmentally friendly
- Limited to medium-duty applications
- Lacks electric start feature
Overall Experience
The Honda GX160 QH is a standout for its reliability and efficient performance, suitable for a variety of medium-duty applications. Its compact size and fuel efficiency make it a practical and cost-effective choice.
For a more comprehensive review, please visit our full article.
Buying Guide: Choosing the Right Go-Kart Engine
Purchasing the right engine is crucial to getting the most out of your go-kart. Here are the key factors to evaluate when selecting a go-kart engine:
Engine Type
2-Stroke vs 4-Stroke
- 2-stroke engines are lighter, have simpler construction, and provide quicker acceleration. However, they are less fuel efficient and require premixed oil and gas.
- 4-stroke engines provide more torque and top-end power. They are more fuel-efficient and durable, but heavier. 4-stroke operation is generally quieter.
Gas vs Electric
- Gas engines allow longer run times between refueling. They provide more torque and horsepower potential.
- Electric engines deliver instant throttle response. They produce zero emissions making them more environmentally friendly. Require battery recharging.
Displacement
Engine size is measured in cubic centimeters (CCs) or horsepower:
- 50-125cc – Best for lighter youth go-karts. Less speed but better fuel efficiency.
- 125-250cc – Balances power and efficiency for mid-size go-karts.
- 250cc+ – Provides max power for larger adult go-karts. Enables speeds over 30 mph.
Match displacement to kart weight for best performance. Too little power results in sluggish acceleration. Too much can be unsafe.
Desired Speed Capabilities
- 10-15+ hp for 20-25 mph speeds
- 15-25+ hp for 25-40+ mph speeds
Higher horsepower engines enable greater top speed potential but may sacrifice some fuel efficiency.
Powerband
- Low-end torque provides quick acceleration off the line.
- Extended RPM range allows higher top speeds. Assess where peak power lies.
Weight Carrying
Larger displacements produce more torque to move heavier kart loads efficiently. Smaller engines can strain under excess weight.
Noise Level
- 2-stroke engines generally produce more noise. 4-stroke operation is quieter.
- Larger intakes/exhausts increase noise. Look for noise reduction features.
- Choose electric for near-silent operation.
Evaluate noise regulations for your intended riding areas. Quieter operation is better for recreational areas.
Additional Key Factors:
- Starting mechanism
- Throttle control
- Maintenance needs
- Warranty coverage
- Brand reputation
Consider convenience, simplicity, costs, and reliability when selecting your go-kart engine. Prioritize the factors that are most important for your needs. Additionally, buying from reputable brands like Honda, and Briggs & Stratton ensures reliability and support.
Conclusion
Choosing the ideal go-kart engine requires evaluating key factors like engine type, size, power delivery, weight, noise, and start mechanism. Focus on finding the right balance of power and efficiency to match your kart’s weight and desired speeds.
4-stroke engines generally provide greater fuel efficiency, smoothness, and durability compared to 2-stroke. Larger displacements produce more torque for heavier karts, while compact motors can be optimal for lighter youth models. Seek a broad powerband for quick acceleration and high top-speed potential.
Consider noise regulations if operating in public spaces. Electric models provide ultra-quiet, emissions-free operation but require battery charging. Carefully weigh performance, convenience, and costs to select the optimal engine for your needs and budget. Stick to reputable brands known for quality construction and reliability. With diligent research and testing, you’ll be able to locate the perfect powerplant to bring your go-kart dreams to thrilling life.
Goran, an experienced go-kart racer, fuels GoKartLife.com with his passion and expertise. He offers valuable insights and tips for fellow enthusiasts, fostering the growth of the go-kart community. Join Goran at GoKartLife.com and immerse yourself in this exhilarating sport.
