If you're an avid personal watercraft enthusiast, you're probably familiar with the Yamaha Superjet. This watercraft has been a favorite among riders for decades due to its high-performance capabilities and responsive handling. However, even the best machines can benefit from a few tweaks and modifications. In this guide, we'll take a look at some of the best Yamaha Superjet mods that you can make to improve your watercraft's performance.

You can watch our full video about How to Make your 2-Stroke and 4-Stroke Superjet More Fun.

Freestyle Performance Exhaust

One of the easiest and most effective ways to improve your Yamaha Superjet's performance is by installing a performance exhaust. A performance exhaust will increase the flow of exhaust gases, allowing your engine to breathe easier and run more efficiently. This can result in a noticeable increase in horsepower and torque, as well as improved acceleration and top speed.

There are several different types of performance exhausts available for the Yamaha Superjet, including full exhaust systems and slip-on mufflers. Full exhaust systems offer the greatest gains in performance, but they can be more expensive and time-consuming to install. Slip-on mufflers are a more affordable and easier-to-install option that still offer significant performance gains.

Performance Impeller

The impeller is a critical component of your Yamaha Superjet's jet pump system. It's responsible for creating the thrust that propels your watercraft through the water. Upgrading to a performance impeller can significantly improve your watercraft's acceleration and top speed.

There are several different types of performance impellers available for the Yamaha Superjet, including stainless steel and aluminum options. Stainless steel impellers offer the greatest gains in performance but can be more expensive. Aluminum impellers are a more affordable option that still offer significant performance gains.

High-Performance Ride Plate

The ride plate is located on the bottom of the watercraft and helps to control the water flow beneath the hull. Upgrading to a high-performance ride plate can improve your watercraft's handling and reduce drag, resulting in improved acceleration and top speed.

There are several different types of high-performance ride plates available for the Yamaha Superjet, including straight-through and angled designs. Straight-through designs offer the greatest gains in performance but can be more difficult to control at high speeds. Angled designs offer a good balance between performance and control, making them a popular choice among riders.

Impeller Upgrade

One of the most effective and popular Yamaha Superjet mods is an impeller upgrade. The impeller is the component that propels water through the jet ski's pump and creates the thrust that powers the Superjet forward. By upgrading your impeller, you can increase your Superjet's speed and acceleration, as well as improve its handling and responsiveness.

There are several types of impeller upgrades available, ranging from mild to aggressive. A mild upgrade will provide a noticeable improvement in speed and acceleration, while an aggressive upgrade will deliver maximum performance gains. If you're unsure which impeller upgrade is right for you, consult with a professional mechanic or experienced jet ski enthusiast.

Exhaust System Upgrade

Another popular Yamaha Superjet mod is an exhaust system upgrade. The Superjet's stock exhaust system can be restrictive and limit the engine's performance potential. By upgrading to a high-performance exhaust system, you can increase your Superjet's power output, improve its throttle response, and give it a more aggressive sound.

There are many different types of exhaust systems available, including full exhaust systems and slip-on mufflers. A full exhaust system will replace the Superjet's entire exhaust system, while a slip-on muffler will simply replace the stock muffler. Again, consult with a professional mechanic or experienced jet ski enthusiast to determine which type of exhaust system is right for you.

Handlebar and Steering Upgrades

Upgrading your Yamaha Superjet's handlebars and steering system can significantly improve your jet ski's handling and responsiveness. Aftermarket handlebars are typically wider and offer a more comfortable grip, while upgraded steering systems provide better control and stability.

There are many different types of handlebar and steering upgrades available, ranging from mild to aggressive. If you're a beginner or prefer a more relaxed riding style, a mild upgrade may be sufficient. However, if you're an experienced rider or enjoy aggressive riding, a more aggressive handlebar and steering upgrade may be necessary.

Hull and Intake Grate Upgrades

Upgrading your Yamaha Superjet's hull and intake grate can improve your jet ski's stability, cornering, and top speed. Aftermarket hulls are designed to reduce drag and increase speed, while upgraded intake grates increase the amount of water flow into the pump, improving acceleration and top speed.

There are many different types of hull and intake grate upgrades available, each with its own unique benefits and drawbacks. If you're unsure which upgrade is right for you, consult with a professional mechanic or experienced jet ski enthusiast.

The intake grate is located on the bottom of the watercraft and helps to direct water into the jet pump. An aftermarket intake grate can improve your watercraft's acceleration and top speed by reducing cavitation and increasing the amount of water flowing into the pump.

There are several different types of aftermarket intake grates available for the Yamaha Superjet, including straight-through and stepped designs. Straight-through designs offer the greatest gains in performance but can be more difficult to control at high speeds. Stepped designs offer a good balance between performance and control, making them a popular choice among riders.

Performance Engine Upgrades

If you're looking for maximum performance gains, upgrading your Yamaha Superjet's engine is the way to go. Performance engine upgrades can include anything from high-performance carburetors and air filters to ported cylinders and aftermarket exhaust systems.

There are many different types of engine upgrades available, and the specific upgrades you choose will depend on your performance goals and budget. It's important to note that engine upgrades can be complex and should be performed by a professional mechanic with experience working on Yamaha Superjet engines.

Yamaha Superjet Upgrades and Mods

  • The Yamaha Superjet is a popular choice for personal watercraft enthusiasts who enjoy stand-up jet skiing and freestyle riding.
  • There are numerous aftermarket upgrades and mods available for the Yamaha Superjet to enhance its performance and handling.
  • Some popular upgrades include Riva Racing intake grates and ride plates, aftermarket impellers, and factory pipes.
  • Other popular mods include upgrading the handlepole, installing sponsons, and replacing the stock handlebars with aftermarket ones from Jettrim or ODI.
  • Some riders also choose to upgrade the steering system with a Solas quick steer or Kommander setup.

Comparison with Kawasaki Jet Ski Models

  • While the Yamaha Superjet is a popular choice, there are also other high-performance personal watercraft on the market, such as Kawasaki Jet Ski models.
  • The Kawasaki SXR is a popular choice for stand-up jet skiing and freestyle riding, and has similar aftermarket upgrades available, such as RRP handlepoles and Blowsion sponsons.
  • However, some riders prefer the Yamaha Superjet for its agility and handling, as well as its reputation as a proven platform for freestyle riding.

Yamaha Fourstroke Superjet

  • In 2021, Yamaha released a new version of the Superjet with a four-stroke engine, known as the Yamaha Fourstroke Superjet.
  • This new model is designed to be more environmentally friendly and fuel-efficient than its two-stroke counterpart, while still offering the same level of performance and agility.
  • The Yamaha Fourstroke Superjet has been well-received by the personal watercraft community, and is expected to be a popular choice for riders looking for a high-performance and eco-friendly watercraft.

Riva Racing Mods and Upgrades

  • Riva Racing is a well-known manufacturer of aftermarket parts for personal watercraft, including the Yamaha Superjet.
  • Some of Riva Racing's most popular mods and upgrades for the Yamaha Superjet include their intake grates and ride plates, as well as their power filter and flow exhaust systems.
  • Riva Racing also offers a range of performance parts for other personal watercraft, such as the Sea-Doo and Yamaha GP1800R.

Personal Watercraft Vlogging and Media

  • Personal watercraft enthusiasts often share their experiences and modifications through vlogs and other forms of media.
  • Some popular personal watercraft vloggers include FlyRide, who specializes in freestyle riding, and Dean's Jet Ski Adventures, who shares his experiences riding various models of personal watercraft.
  • Other popular personal watercraft media include magazines such as Pro Rider and Watercraft Journal, which offer reviews and news on the latest models and upgrades.

Overall, the Yamaha Superjet is a highly versatile and customizable personal watercraft, with numerous aftermarket upgrades and mods available to enhance its performance and handling. Whether you prefer stand-up jet skiing, freestyle riding, or just cruising on the water, the Yamaha Superjet has something to offer.

Are Yamaha Superjet mods right for my personal watercraft?

In conclusion, modifying a Yamaha Superjet can be a rewarding and fun experience for watercraft enthusiasts. There are many different modifications that can be done, from simple upgrades to major engine modifications, and the possibilities are nearly endless. With a little bit of research, the right tools, and some time and effort, anyone can turn their Superjet into a high-performance machine that will provide hours of enjoyment on the water.

Remember, safety should always be a top priority when modifying your watercraft. Always follow the manufacturer's recommendations and consult with a professional if you are unsure about any modifications you are considering. Additionally, make sure to wear proper safety gear, such as a life jacket and helmet, when riding your Superjet.

If you are looking to purchase a Yamaha Superjet for modification, be sure to do your research and find a reputable dealer or seller. Look for a watercraft that has been well-maintained and cared for, and ask the seller about any previous modifications or repairs that have been done.

Finally, if you are new to watercraft modification, don't be afraid to ask for help or advice from experienced enthusiasts. The watercraft community is a friendly and helpful one, and there are many forums and social media groups dedicated to watercraft modification where you can connect with others who share your passion.

We hope this article has been informative and helpful in your quest for Yamaha Superjet modification. You can also watch our full video about How to Make your 2-Stroke and 4-Stroke Superjet More Fun.

Happy riding!