Yamaha Raptor 350 Top Speed

Yamaha Raptor 350 Top Speed Full Overview

In this article, I will explain the Yamaha Raptor 350 top speed, specifications, and features.

Yamaha Raptor 350 Top Speed

Recognized as one of the foremost sporty 4×4 ATVs, the Yamaha Raptor 350 has captivated outdoor enthusiasts and riders alike, fitting an undeniable need for speed.

The Raptor 350, which enjoyed a ten-year production run from 2004 to 2013, epitomizes the class and style synonymous with sport ATV models, demonstrating why Yamaha’s ATVs continue to dominate the market.

Frequently associated with a sporty and energetic persona, the Yamaha Raptor 350 consistently brings forth a fervor from riders, fulfilling their yearning for speed and thrill.

Due to its longevity in production and unyielding popularity, many outdoor enthusiasts still seek to buy this model.

This undiminished market presence is a testament to both the Raptor 350 model’s characteristics and Yamaha’s enduring brand reputation.

The newest Raptor has successfully leveraged the legacy set by the 350, ensuring Yamaha’s standing in the ATV market.

While the Raptor 350’s production run may have ceased in 2013, its influence prevails, still impacting how sport ATV models are perceived and purchased today.

Yamaha’s intentional design and strategic market placement have solidified the Yamaha Raptor 350’s place in the hearts of speed aficionados.

Also Read: Yamaha Raptor 125 Top Speed

This Guide Will Cover:

    • About the Raptor 350
    • Raptor 350 top speed
    • Stock vs modified top speed
    • Specs and key features
    • Performance
    • Strengths and weaknesses with the model
    • Best Raptor 350-specific mods to make it 10-20 mph faster

Yamaha Raptor 350 Top Speed

About The Yamaha Raptor 350

Stepping into the world of ATV models, the Raptor 350 holds its own, boasting a sport-rec hybrid design that appeals to both seasoned owners and less-experienced riders.

This Yamaha masterpiece brings together the sporty appearance, impressive performance, and lightweight build unique to sport quads, ensuring an exceptional ride on tracks and trails.

The Raptor 350, reminiscent of renowned models like the Honda 300EX and Honda 400EX, presents a unique build style that encapsulates Yamaha’s commitment to creating superior sport-rec ATVs.

The strengths of the Raptor 350 are further spotlighted when its capabilities are compared with those of the smaller models and less-experienced class of ATVs – it can easily hold its own comfortably in terms of performance.

One cannot discuss the Raptor 350 without acknowledging its place among Yamaha’s fastest models, notably the Raptor 660 and the YFZ 450.

While these models may be larger, the Raptor 350 persists in delivering commendable performance on the track, thereby securing its positive reputation among ATV enthusiasts.

The Raptor showcases an optimum blend of sporty appearance and performance, making it an excellent choice for riders aiming for the thrill of speed and the confidence of control simultaneously.

Raptor 350 Top Speed

The Raptor 350, a standout model among Yamaha ATVs, comes equipped with a 349cc single-cylinder engine generating a decent power output of 22 HP.

It is capable of achieving a top speed between 60 to 62 mph in its fully stock condition, making it a reliable choice for riders looking for the thrill of speed.

This particular model embodies the sportier side of Yamaha’s lineup, boasting potent modifications that only add to its stellar performance on all terrains.

Though the Raptor 350 is fast enough for most riders, there are always possibilities to be explored.

Yamaha provides the options of five highly recommended modifications that can further increase the power output, torque, and horsepower, simultaneously boosting the top speed well beyond the original specifications.

These modifications ensure you get more bang for your buck, intensifying both the power and speed of this fantastic piece of machinery.

The Raptor 350’s exceptional speed, combined with its top-notch engine performance, further solidifies Yamaha’s reputation in the ATV market.

This model, boasting a blend of speed, performance, and potential for improvement, is a testament to Yamaha’s commitment to pushing their vehicles’ boundaries to meet their riders’ expectations.

Specs, Key Features & Performance

Engine & Drivetrain

Beneath the rugged physique of the Raptor 350 lies a robust 349 cc single-cylinder engine that fuels its astonishing performance.

This engine, offering a commanding 22 HP, expands the boundaries of the Raptor 350’s capabilities, generating a noteworthy max power output.

This exceptional torque and power pave the way for quick starts, acceleration, and confidence in climbing steep hills.

This model deviates from the usual EFI models and is powered by a 36 mm carburetor, which positively impacts the throttle response and overall speed of the ATV.

Despite the carburetor’s cold-blooded tendencies during start-up, the inclusion of a choke lever facilitates a quick warm-up, after which the choke can be switched off to unleash the Raptor 350’s full power.

The Raptor 350 comes equipped with a 6-speed manual transmission, which provides improved control, especially while changing gears during trail riding.

The manual transmission enhances the rider’s interaction with the vehicle, creating an engaging and in-tune riding experience.

The power from the potent motor is transferred to the rear wheels via a chain drive in this 2WD model, offering durability and simplicity.

With these features, the advantages of the Raptor 350 extend beyond just power and speed, to encompass the comfort and convenience initiated via elements like a responsive choke lever and handy reverse gear.

The latter proves particularly useful in navigating tight spaces or quickly retreating from potential dangers during trail rides. Yamaha has thus crafted a machine that brilliantly masks power, speed, safety, and rider convenience.


The Raptor 350 shines when it comes to suspension, too. Right up front, it makes use of a distinguished double wishbone suspension system, while in the rear.

It employs a swingarm link suspension, specifically designed to provide a comfortable and stable ride while confronting all types of rough terrains.

This Yamaha model is equipped with coil spring shocks in both the front and rear, which contribute to the damping and help to ensure a smooth ride even in conditions where trail riding becomes demanding.

An added advantage available via this suspension setup is the spring preload adjustment, a beneficial feature allowing riders to customize the suspension firmness to their preference or adjust it as per the terrain.

The Raptor 350 also boasts one of the finest coil spring gas shocks accompanied by a threaded spring preload adjuster, further augmenting its suspension excellence.

Specifically, this combination enhances the vehicle’s capability to tackle obstacles, offering desired ground clearance and creating a reliable, more controlled performance.

While the Raptor 350 is powerful and fast with its sophisticated suspension system, it is to be noted that its travel option is somewhat limited.

If there’s any particular downside to bear in mind with it, it’s that it may not offer the same suspension travel length as some more specialized models, so you’ll want to be aware of very challenging terrains.

Nevertheless, the overall suspension performance of the Raptor 350 makes it a standout choice among sport ATVs.

Tires & Brakes

The Yamaha Raptor 350, which is renowned for its remarkable top speed, comes fitted with standard 21-inch tires at the front and 20-inch tires at the rear.

These stock tires are not an afterthought; they are meticulously selected to enhance both the speed and handling characteristics of the Raptor 350.

To put things into perspective, it’s worthwhile to look into something like Dunlop All Terrain tires.

These are low-profile and guarantee excellent grip on various surfaces, making them an appropriate choice for track or trail riding.

Their design is aligned with the purpose of providing maximum traction without hindering the Yamaha Raptor 350’s top speed.

Each aspect of these tires harmoniously combines to enable an exhilarating experience for the rider, leveraging the Raptor 350’s potential to its maximum.

Now, let’s consider the braking system of the Yamaha Raptor 350 which is as critical as its top speed.

The quad boasts a dual hydraulic disc brake setup at the front, operated by a single lever on the right handlebar.

Meanwhile, the rear benefits from hydraulic disc brakes, activated by a foot pedal situated conveniently in the right footwell area.

This setup is a brilliant braking combo that ensures powerful stopping power across various terrains and conditions.

In essence, a well-rounded session of high-speed trail riding relies as much on powerful, responsive brakes as it does on the grip and reliability of the tires.

For the Yamaha Raptor 350, the interaction between its stock 21 and 20-inch tires, and the reliable combination of front-handle and foot-operated hydraulic disc brakes, leads to an impressive experience that speaks volumes about its top speed and unmatched ability to handle a multitude of terrains.


In the realm of ATVs, size, and weight play a significant role in determining the machine’s performance characteristics.

The Yamaha Raptor 350, a well-loved quad bike popular for its top speed, is no exception to this rule.

If Dr. Seuss were to describe its size, he might refer to it as compact yet enormous in stature.

In the real world, this means that despite the Raptor 350’s robust capabilities, it can easily fit in the bed of a standard pickup truck, making it easy to cart to your favorite trail.

With a width of 43 inches, the Raptor 350 is designed to conquer and excel in environments requiring nimble navigation.

The quad’s manageable size is particularly effective in snaking through tight, wooded areas. This lightweight characteristic imparts riders confidence by offering magnificent handling and control.

The magic of the Raptor 350’s design, however, lies in its accommodation of different riders. With its carefully considered dimensions, the quad can be comfortably ridden and easily operated by a variety of body types.

Whether it’s focused on shorter, taller, bigger, or smaller riders, it manages to maintain its appeal across the spectrum.

Pros & Cons


  • The Raptor 350 is an extremely sturdy and reliable ATV.
  • It’s a great model for those moving up from a youth ATV but not ready for a more powerful model.
  • Its compact size and light weight provide excellent all-around handling.
  • When new, it offered top performance for the price, and even now is a great value.
  • The white plastics allow owners to customize it with graphics.
  • The engine braking aids in descending trails and hills.
  • The reverse gear helps when trail riding or stuck.


  • While not slow, it can’t keep up with bigger quads in a group.
  • The suspension lacks adjustability and isn’t suited for jumping.
  • The manual shift, though easy to use, may confuse beginners.
  • The carburetor makes it need to warm up before riding without the choke.
  • Over time, the carburetor tends to gum up, causing stalling and other issues.

Common Mods To Increase Top Speed Of A Raptor 350

To get a Raptor 350 into the 70-80 mph range, focus on these five key modifications:

  • Install a higher-flow air intake
  • Install a less restrictive exhaust system
  • Re-jet the carburetor to match the airflow changes
  • Install lower gearing to increase top speed
  • Upgrade to larger diameter tires


When dissecting the relationship between the Yamaha Raptor 350’s top speed and its intake mechanism, one must take a comprehensive look at its air intake system.

This system, which includes an airbox and an air filter, significantly affects the quad’s RPM levels when it’s powering down a trail in 6th gear.

Yamaha, being a leading manufacturer, understands the pivotal role that the engine’s power plays in achieving impressive top speeds.

Many Raptor 350 owners have noted the role of the airbox cover in maintaining the efficiency of the air intake system.

The cover primarily functions to prevent water from infiltrating the air filter, which could significantly affect the engine’s performance.

However, many owners have also opted for modifications, primarily through different types of air filters like UNI filters or K&N filters, in a bid to achieve increased top speeds.

The idea behind such modifications often revolves around the understanding that a quad must vigorously breathe, especially in dusty conditions.

The air filter plays a pivotal role in this intake process, preventing circulating dust and debris from choking out the engine.

With an upgraded filter, not only can the Raptor 350 reach higher speeds, but it also prevents the airbox from needing to be reached and cleaned often.

If you’re considering upgrading, remember that while removing the airbox cover can alleviate the amount of supplied power and thus increase speed, it also modifies the airflow of the engine.

It’s crucial that the cover be reinstalled for rides that involve wet environments. As for the air filter, replacing the standard unit with a high-flow variant is recommended.

Top Suggested Intake Upgrade Kits:

  • ModQuad Air Flow System with K&N Filter and Outerwear cover
  • Pro Design ProFlow Intake System with K&N filter
  • Pro Design ProFlow Uni Intake System


Just as the intake system contributes to the vibrant performance of a Yamaha Raptor 350, a well-functioning exhaust system forms an integral part of the equation as well.

Akin to the air intake, the exhaust system is primarily responsible for managing airflow inside the engine.

It ensures that the air circulated within the engine is appropriately exited, enabling efficient performance with respect to horsepower, torque, and of course, top speed.

This relationship between the exhaust and intake systems of the Raptor 350 is symbiotic.

The air circulation process starts with the intake, bringing in fresh air into the engine, which then combines with the fuel, leading to combustion.

The exhaust system subsequently steps into action, making room for new air to come in by expelling the used gases.

This process is continual, running seamlessly from start to stop, directly impacting the quad’s horsepower, torque, and overall performance.

Upgrading the exhaust system of the Raptor 350 has been a popular modification among enthusiasts aiming for that extra edge in performance.

An upgraded exhaust system not only allows for a more optimal flow of gases, leading to better horsepower and top speed, but it also generates a more audible and satisfying sound when riding.

Recommended Aftermarket Exhaust Systems For Raptor 350:

  1. Yoshimura Exhaust
  2. HMF Exhaust
  3. Curtis Sparks Racing Exhaust
  4. EVO Exhaust

The main exhaust options for the Raptor 350 are systems from Yoshimura, HMF, Curtis Sparks Racing, and EVO.

All should boost performance similarly but will differ in styling and exhaust tone. This guide provides details on the key differences between the exhaust systems.

Re-Jet The Carburetor

A critical aspect impacting the Yamaha Raptor 350 top speed is the airflow and fuel flow inside its engine governed by its carburetor.

The interaction between the two components is fundamentally vital as it defines air-to-fuel ratios affecting the performance of the Raptor 350 directly.

The Raptor 350 comes with a stock carburetor that’s designed to provide optimal performance under standard conditions.

Still, for many users who’ve added modifications or “mods” to their machine, it’s necessary to effectively change or re-jet the carburetor.

This is because once the machine is modified, the stock jets in the carburetor may not adequately cater to the modified requirements, which ultimately affects the top speed that the Raptor 350 can attain.

The purpose of re-jetting is to adjust the air to fuel ratios to a level that is proportional to the modifications implemented, and thus, increase the performance efficiency.

The jets need either to be replaced or adjusted as part of this process, and the recommendation is always to perform this task with exhaustive testing to secure the ideal combination.

At this specific point, it’s essential to consult with someone who understands carburetors’ operation and re-jetting intricacies, especially when dealing with a powerhouse machine like the Raptor 350.

Constructive guidance can provide the necessary direction to achieve the optimal air to fuel ratio, ensuring the Raptor 350’s optimum performance, not just in terms of speed, but also with regards to overall riding satisfaction.

Main Jet

The Raptor 350’s stock main jet is #142.5. This will need replacement with a larger jet, likely #150-160. Getting a range of sizes to test is recommended.

Pilot Jet

The stock pilot jet is #22.5. This needs replacement with a one-size larger #25 jet, or possibly a #27 to test as well.

Needle Jet

The needle jet just needs adjustment, not replacement. This is done by turning it. On the Raptor 350, adjusting the needle jet 1/2 to 1 full turn often achieves the ideal setting.

Increase The Gear Ratio

When it comes to optimizing the performance of your Yamaha Raptor 350, one crucial aspect to consider is the gear ratio.

The combination of factors such as the front sprocket, rear sprocket, and gearing can significantly influence the top speed, low-end torque, and acceleration of your ATV.

Enthusiasts are always on the lookout for ways to achieve the best possible setup, and understanding how to increase the gear ratio plays a pivotal role in this pursuit.

Starting with the stock gearing, it’s important to evaluate whether your current configuration aligns with your goals.

If you’re looking to boost the top speed of your Raptor 350, it might be time to consider stretching the gears. By doing so, you can move closer to the ideal gear ratio that balances speed and torque.

However, this process must be approached carefully to gain the desired results without sacrificing the overall performance of your ATV.

Increasing the gear ratio means adjusting the size of the front sprocket and rear sprocket to achieve the desired mph gain.

This process involves finding the right balance between the two components, leaving no room for error.

Expert knowledge and experience are essential in this endeavor, as the ideal gear ratio can vary depending on the specific terrain and riding style.

It’s worth noting that gaining top speed through gear ratio adjustments is a meticulous process.

The goal is to fine-tune your set-up to maximize the Raptor 350’s potential while maintaining optimal performance.

Riders who successfully increase the gear ratio often find themselves in a better position to conquer trails and tracks, setting new speed records without compromising their ATV’s durability.

Bigger Tires

When it comes to enhancing the performance of your Yamaha Raptor 350, one of the most effective modifications you can make is upgrading to larger tires.

In its stock condition, the Raptor 350 comes equipped with 21-inch Dunlop front tires and 20-inch Dunlop rear tires.

While these tires offer decent performance, enthusiasts seeking to unlock the full potential of their Raptor often turn to larger-diameter tires.

One of the key benefits of fitting your Raptor 350 with bigger tires is the significant boost in top-end speed.

The combination of 22-inch front tires and 21-inch rear tires can lead to a notable increase in mph, particularly in terms of top-end speed.

This upgrade is ideal for riders who crave a faster and more exhilarating experience when they hit the trail.

Larger tires not only contribute to improved top-end speed but also play a crucial role in enhancing the Raptor 350’s initial takeoff.

The added weight from the bigger tires provides better traction and stability, allowing you to accelerate more confidently and quickly.

This improved performance can be especially beneficial when tackling challenging terrain or competing in off-road races.


The Yamaha Raptor 350 is a formidable sport ATV that has left an indelible mark on the world of off-roading. Its enduring popularity, combined with the potential for speed enhancements, makes it a favorite among ATV enthusiasts.

Whether you’re seeking a reliable all-around performer or aiming to unlock its top-speed potential, the Raptor 350 is sure to deliver an exhilarating and memorable riding experience.

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