Predator 212 vs Predator 420: Which Engine is Right for You
Choosing the right engine for your go-kart or mini-bike can be daunting. The Predator engine line offers two popular options, the 212 and the 420. While they may seem similar, there are critical differences in their specifications and performance. In this article, we’ll compare the Predator 212 vs Predator 420 engines, discussing their differences in engine displacement, horsepower, torque, and compatibility with go-karts and mini-bikes. We’ll also touch on the advantages and potential problems of each engine and their cost and availability to help you decide which machine is the best fit for your needs.
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Predator 212

The Predator 212 engine is a reliable and robust choice for those seeking a replacement engine that delivers exceptional performance. Let’s take a closer look at its key features, benefits, and considerations to help you make an informed decision.
Key Features
- A durable Cast Iron Cylinder is built with wear resistance and ensures long-lasting performance.
- User-Friendly Controls that make starting and operating a breeze.
- Recoil Start getting the engine up and running is quick and hassle-free.
- The fuel Shut-Off feature ensures safe transport and storage, giving you peace of mind.
- Ball Bearing Support Shaft support shaft enhances the engine’s longevity, providing smooth and reliable operation.
- Gas-Saving Overhead Valves contribute to more fabulous, cleaner performance and longer engine life.
- The horizontal Shaft design makes the Predator 212 engine versatile and suitable for various applications.
Specifications
- Power: 6.5 HP
- Displacement: 212 cc
- Stroke: 4 stroke
- Compression Ratio: 8.5:1
- Shaft Size: 3/4″ / 19.1 mm diameter x 2.43″ / 61.7 mm L, end tapped 5/16-24 with 3/16″ / 4.76 mm keyway
- Fuel Capacity: 0.9 gallon / 3.6 L
- Height: 14″
- Width (from the end of the crank to starter recoil): 12-1/2″
- Width (from air filter to fuel tank): 14-1/2″
- Mounting Base Pattern: 162mm L x 75.5mm W – 80.5mm W (6.40″ L x 2.95″ W – 3.17″ W)
- Weight: 38.00 lbs.
Pros
- Easy Installation: The Predator 212 engine features a mounting base that conveniently lines up with old motor mount holes, simplifying the installation process.
- Reliable Cold Starts: Even in cold weather conditions, the engine starts on the first pull, ensuring a hassle-free operation.
- Throttle Cable Compatibility: The engine offers flexibility and convenience with multiple throttle cable insertion points and compatibility with generic cables.
- Larger Gasoline Tank: The Predator 212 engine boasts a larger fuel capacity, reducing the frequency of refilling.
- Increased Power: Compared to the old Tecumseh motor, the Predator 212 engine delivers superior performance and can power through harsh Snow effortlessly.
- Efficient Snow Tossing: The engine excels at tossing Snow far and efficiently when it comes to snow clearing.
Cons
- Brittle Plastic Choke and Fuel Lever: Over time, the plastic choke and fuel lever may become brittle and prone to snapping.
- Suboptimal Throttle Linkage: The throttle linkage may not provide the smoothest operation, and some parts, like the stamped metal, are of lower quality.
- Plastic Cooling Fins: The cooling fins for the impeller are made of plastic, which might raise concerns for specific users.
- Low-Quality Air Cleaner: The air cleaner consists of a plastic housing with a generic foam filter, indicating a lower level of quality.
- Oil Leakage Issue: After approximately 11.25 hours of use, some users have reported oil squirting out of the side of the block from the oil pressure probe/sensor.
The Predator 212 engine has a 212cc displacement, delivers around 6.5 horsepower and 9.5 ft-lbs of torque, and weighs 38 pounds. It is a popular choice for go-kart and mini-bike enthusiasts due to its relatively low cost and easy installation.
The engine’s horizontal shaft design makes it compatible with a most go-kart and mini-bike configurations, and its mounting base lines up with old motor mount holes for easy replacement. However, users have reported issues with the engine’s throttle linkage, which is often stiff and difficult to operate, and with plastic parts such as the choke and fuel lever becoming brittle over time.
Another common problem with the Predator 212 engine in go-kart applications is overheating, which can occur when the engine is pushed to its limits. This can be mitigated by ensuring proper airflow to the engine, using a larger carburetor to provide more fuel and air, and adding an oil cooler to help dissipate heat. Overall, while the Predator 212 engine is a good option for those on a budget, users should be aware of its potential issues and take steps to prevent overheating.
Predator 420

The Predator 420cc gasoline engine is a robust and dependable option that offers exceptional performance for various applications. This engine is a versatile replacement for standard engine configurations with gas-saving overhead valves and boasting a horizontal shaft design. Let’s delve into its key features, benefits, and specifications to help you understand its capabilities.
Key Features
- Gas-Saving Overhead Valves: The Predator 420 engine incorporates gas-saving overhead valves, ensuring cooler and cleaner performance. It also contributes to an extended engine life.
- Durable Cast Iron Cylinder: Designed to withstand wear and abuse, the cast iron cylinder enhances the engine’s durability and longevity.
- User-Friendly Controls: With user-friendly controls, this engine offers easy starting and operation, making it convenient for users of all experience levels.
- Low Oil Sensor: The engine features a low oil sensor that automatically shuts down the engine when the oil level becomes too low, ensuring safe operation.
- Fuel Shut-Off: The fuel shut-off feature guarantees safe transport, providing peace of mind during storage and transportation.
Specifications
- Name: 13 HP (420cc) OHV Horizontal Shaft Gas Engine EPA
- Brand: Predator Engines
- Certification: EPA III
- Engine Displacement (cc): 420cc
- Horsepower (hp): 13
- Maximum Speed: 3600 RPM
- Maximum Torque: 19.8 ft.-lbs. @ 2500 RPM
- Mounting Pattern: 195.5mm L x 86.0mm W – 103.0mm W (7.7 in. L x 3.4 in. W – 4.1 in. W)
- Shaft Rotation Direction: Counterclockwise
- Sound Rating: 108 dB
- Start Type: Electric start with recoil backup
- Product Height: 17.1 in.
- Product Length: 18.9 in.
- Product Weight: 76.00 lbs.
- Product Width: 13.8 in.
- Shaft Diameter: 1 in. (25.4mm)
- Shaft Length: 3.48 in. (88.5mm)
- Keyway: 1/4 in.
- Shipping Weight: 85.25 lbs.
- Stroke Length: 66 mm
- CA Residents: Warning – Prop 65
Pros
- Upgraded engineering and construction for improved lifespan
- Gas-saving overhead valves for more excellent, cleaner performance, and longer life
- User-friendly controls for easy starting and operation.
- The low oil sensor shuts down the engine when oil reaches a level too low for safe operation.
- Ideal replacement engine for a wide range of machines, including pressure washers, compressors, log splitters, vacuums, tillers, water pumps, chipper/shredders, and blowers
- Electric start with recoil backup for easy starting
- Large fuel tank for extended use without refilling
- Powerful 13 HP engine with a maximum torque of 19.8 ft.-lbs. at 2500 RPM
Cons
- Relatively heavy at 76 lbs., which may make it challenging to move around
- A loud sound rating of 108 dB may be bothersome for some users
- The shaft rotation direction is counterclockwise, which may not be compatible with all machines
- The keyway is only 1/4 inch, which may limit compatibility with some machines
- Prop 65 warning may limit availability in certain areas or require additional precautions.
Predator 420 is a gas-powered engine designed for use in a variety of applications. Its specifications include a 420cc displacement, 13 horsepower output, and 19.8 ft.-lbs. Of torque at 2500 RPM and a weight of 76 lbs. It has a horizontal shaft, ball-bearing mounted for smoother operation and a longer lifespan. The engine is EPA III certified, with a sound rating of 108 dB.
Predator 420 engine is compatible with go-karts, mini bikes, pressure washers, compressors, log splitters, vacuums, tillers, water pumps, chipper/shredders, and blowers. It has a mounting pattern of 195.5mm L x 86.0mm W – 103.0mm W (7.7 in. L x 3.4 in. W – 4.1 in. W) and a shaft diameter of 1 in. (25.4mm) with a shaft length of 3.48 in. (88.5mm) and a keyway of 1/4 in.
When using Predator 420 engines in go-karts, some common problems may arise, including clutch, exhaust, and carburetor issues. The clutch may wear out quickly due to the engine’s high torque output, requiring frequent replacement. The stock exhaust may not provide enough backpressure for optimal performance, leading to loss of power. Additionally, the carburetor may need to be adjusted to ensure proper fuel delivery and prevent overheating. However, these problems can be addressed with proper maintenance and upgrades.
Comparison between Predator 212 vs Predator 420 engines
Predator 212 | Predator 420 | |
Engine Displacement | Has a displacement of 212cc. | Has a displacement of 420cc, nearly twice that of the Predator 212. |
Horsepower | Produces around 6.5 horsepower | Delivers a higher horsepower output of 13 |
Torque | Ggenerates 19.8 ft.-lbs. Of torque at 2500 RPM | |
Compatibility | Compatible with go-karts and mini-bikes, offering a suitable power-to-weight ratio for these applications. | Compatible with go-karts and mini-bikes, providing a more robust option for those seeking enhanced performance. |
Cost and Availability | Widely available and is known for its affordability. It is commonly found in many stores and online platforms, making it easily accessible for enthusiasts and hobbyists. | High-performance option with more significant displacement and increased horsepower. It delivers more power and torque, making it suitable for those seeking incredible speed and performance in their go-karts or mini bikes. |
Overview | Reliable and popular choice for smaller applications. It offers sufficient power for go-karts and mini bikes, balancing performance and affordability. | High-performance option with more significant displacement and increased horsepower. It delivers more power and torque, making it suitable for those seeking incredible speed and performance in their go-karts or mini bikes. |
It’s essential to consider your specific requirements and budget when choosing between the Predator 212 and Predator 420 engines. While the Predator 212 offers a cost-effective and reliable option for most applications, the Predator 420 provides greater power and performance at a potentially higher price point.

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