Suzuki LTZ 400 Top Speed: Making More Faster

Are you a thrill-seeker looking for an adrenaline-packed ride? Look no further than the Suzuki LTZ 400 – a sport ATV that promises blistering top speeds and exhilarating performance. Today, we are going to explore just how fast this quad can go, the factors that contribute to its speed, and whether it’s the right choice for your need for speed.

Suzuki LTZ 400 Overview

The Suzuki LTZ 400 is a high-performance, off-road sport ATV designed for adrenaline junkies and seasoned riders seeking an unforgettable thrill. This quad stands out with its lightweight yet durable frame, powerful four-stroke engine, and race-inspired suspension, making it a favorite among speed enthusiasts and motocross enthusiasts alike.

Suzuki LTZ 400 Top Speed Unveiled

Now, let’s address the burning question: just how fast can the Suzuki LTZ 400 go? According to a 2005 post on ThumperTalk, the stock top speed of this quad is around 65 mph (105 km/h) for an average rider weighing 175 lbs (79 kg). However, with a few aftermarket modifications like an exhaust system, air filter, and rejetting, owners have reportedly pushed the top speed to an impressive 72 mph (116 km/h).

When compared to other 400cc sport ATVs in its class, the Suzuki LTZ 400 holds its own in terms of top speed. Factors like its powerful engine, lightweight design, and optimized gearing contribute to its ability to reach thrilling velocities.

Power and Performance Specs

At the heart of the Suzuki LTZ 400 lies a 398cc, four-stroke, single-cylinder engine that packs a punch. This powerplant is capable of producing around 28-35 horsepower and 23.7 lb-ft of torque, giving the quad impressive acceleration. Owners report exhilarating 0-60 mph (0-96 km/h) times, although exact figures vary depending on the rider’s weight and modifications.

Complementing the potent engine is a five-speed manual transmission with a reverse gear, allowing riders to harness the quad’s power effectively across different terrains and speeds.

Upgrading for Even More Speed

While the stock Suzuki LTZ 400 is no slouch in the speed department, many owners seek to unlock its full potential through performance upgrades. Popular modifications include:

1. Exhaust Systems: Aftermarket exhaust systems from brands like HMF Performance and Muzzy can increase horsepower and torque by up to 10-15%, leading to higher top speeds.
2. Air Intake Upgrades: High-flow air filters and airbox modifications can improve airflow, resulting in more power and better throttle response.
3. Fuel Controllers: Devices like the Attitude Box Fuel Controller allow for precise fuel mapping, enabling owners to extract every ounce of performance from the engine.
4. Weight Reduction: Lighter wheels, reduced bodywork, and other weight-saving measures can enhance the power-to-weight ratio, translating to improved acceleration and top speed.
5. Gearing Changes: Swapping out the stock gearing or installing a performance clutch kit can optimize the quad’s power delivery for maximum velocity.

With the right combination of upgrades, many Suzuki LTZ 400 owners have been able to achieve top speeds well beyond the stock figures, pushing the boundaries of what this quad can do.

The Need for Speed – Why Top Speed Matters

But why is top speed such a coveted attribute for sport ATV enthusiasts? For starters, the thrill of reaching breakneck speeds is an adrenaline rush like no other. The sensation of raw power beneath you as the terrain blurs by is an experience that many riders crave.

Additionally, a higher top speed can be advantageous on open trails and dunes, where you can truly let the quad stretch its legs. It also provides a competitive edge in racing scenarios, where every mile per hour counts.

However, it’s crucial to exercise caution and prioritize safety when chasing top speeds. Excessive velocity can quickly become dangerous, especially on technical terrain or in unpredictable conditions. Responsible riders always wear appropriate protective gear and ride within their skill level.

Owners Speak – Suzuki LTZ 400 Speed Reviews

To better understand the Suzuki LTZ 400’s speed capabilities, let’s turn to the experts – the owners themselves. Here are some insights from their reviews:

“The top speed on this thing is insane! With just a few basic mods, I can easily hit 70 mph on open trails. The acceleration is equally impressive, making it a blast to ride.” – Jack, California

“While the LTZ 400 is undoubtedly fast, I wish Suzuki had given it a little more top-end power from the factory. Still, with some tuning, it can keep up with bigger displacement quads.” – Emily, Texas

“Speed is great, but what really impresses me is how well-balanced and controllable the LTZ 400 feels, even at high speeds. The suspension and chassis are simply phenomenal.” – David, Florida

Overall, owners seem to agree that the Suzuki LTZ 400 delivers an exhilarating speed experience, especially when coupled with the right modifications. However, some riders wish for even more straight-line performance out of the box.

How It Stacks Up Against Rivals

To truly appreciate the Suzuki LTZ 400’s speed, it’s essential to compare it to its closest competitors. Here’s how it fares against some notable rivals:

• Honda 400EX: While the Honda 400EX is often praised for its reliability and chassis, it falls slightly behind the Suzuki LTZ 400 in terms of outright top speed and acceleration.
• Yamaha YFZ450R: The Yamaha YFZ450R is a dedicated race quad with a larger 449cc engine, giving it a slight edge over the LTZ 400 in top speed and overall power delivery.
• Arctic Cat DVX400: Another formidable rival, the Arctic Cat DVX400, matches the LTZ 400’s top speed capabilities but may lack the same level of refinement and handling prowess.

Ultimately, if outright speed is your top priority, the Suzuki LTZ 400 remains a compelling choice, especially when factoring in its affordability and potential for upgrades.

More Than Just Speed – Other Notable Features

While the Suzuki LTZ 400’s speed credentials are undoubtedly impressive, this quad has much more to offer. Its design and ergonomics are tailored for aggressive off-road riding, with a lightweight yet durable tubular frame and a comfortable riding position.

The suspension system, featuring independent double A-arms and adjustable piggyback shocks, provides excellent handling and terrain-tackling capabilities. Whether you’re carving through tight trails or soaring over jumps, the LTZ 400’s suspension ensures a controlled and confidence-inspiring ride.

Furthermore, this quad’s versatility extends to various off-road environments, from motocross tracks and dunes to technical trails. Its generous ground clearance and capable four-wheel-drive system (on select models) make it a formidable all-terrain machine.

Value, Pricing and Ownership Costs

Affordability is another strong suit of the Suzuki LTZ 400. While prices vary based on model year and condition, you can typically find used examples ranging from $3,000 to $5,000, making it an accessible option for many riders.

In terms of running costs, the LTZ 400’s fuel-efficient four-stroke engine helps keep fuel expenses reasonable. Maintenance is also relatively straightforward, with a recommended service interval of 3,500 miles or 6,000 km.

However, it’s essential to factor in the potential costs of any desired performance upgrades, as well as the availability and pricing of genuine Suzuki parts for repairs or replacements.

Common Issues and Reliability

Like any high-performance vehicle, the Suzuki LTZ 400 is not immune to potential issues. Some of the most commonly reported problems include:

• Cracked Frames: Early models were prone to cracked frames, particularly around the front shock mounts. Gusset kits and proper welding can mitigate this issue.
• Cam Chain Wear: The cam chain tensioner can be overly aggressive, leading to premature chain wear. Monitoring and adjusting the tension is recommended.
• Valve Adjustment Issues: Some owners have reported valve adjustment challenges, which can lead to problems with the stator and pulser coil if not addressed promptly.
• Throttle Position Sensor (TPS) and Powertrain Control Module (PCM) Glitches: On fuel-injected models, issues with the TPS and PCM can cause the engine to misfire or run erratically, especially when the radiator fan kicks in.
• Valve Train Problems: A small number of 2005 Suzuki LTZ 400 owners have reported major valve train issues that required extensive repairs.

While these problems can be frustrating, many owners find that regular maintenance and prompt attention to any issues can help ensure reliable performance from their LTZ 400.

When purchasing a used Suzuki LTZ 400, it’s essential to inspect the quad thoroughly for any signs of damage or neglect. Checking for bent or cracked components, assessing the overall condition, and ensuring the engine runs smoothly can help identify potential problems before making a purchase.

Warranty and Support

Suzuki offers a comprehensive warranty for new LTZ 400 models, covering all Suzuki-supplied components for 36 months or 36,000 miles, whichever comes first. This warranty is transferable between owners, adding peace of mind for those purchasing a pre-owned quad.

Additionally, Suzuki offers an extended warranty program called Suzuki Extended Protection (SEP), which covers certain parts, labor, towing, and rental expenses, providing added protection beyond the standard warranty period.

In terms of service and support, Suzuki has a network of authorized dealerships and service centers equipped to handle maintenance, repairs, and any warranty-related issues for the LTZ 400. Genuine Suzuki parts and trained technicians can help ensure your quad remains in top condition.

Frequently Asked Questions

Before we wrap up, let’s address some common questions about the Suzuki LTZ 400 and its top speed capabilities:

Can the LTZ 400 keep up with larger displacement sport ATVs in terms of top speed?

While larger quads like the Yamaha YFZ450R may have a slight edge in outright top speed, the Suzuki LTZ 400 can certainly hold its own, especially with the right modifications. Its lightweight and powerful nature make it a formidable contender in the speed department.

How does the fuel injection system on later models affect top speed?

The fuel injection system introduced in 2009 provides smoother and more consistent power delivery compared to the earlier carbureted models. This can translate to improved acceleration and potentially higher top speeds, as the engine can adjust to changing conditions more effectively.

Are there any legal restrictions or safety concerns regarding the LTZ 400’s top speed?

Always prioritize safety and obey local laws and regulations regarding off-road vehicle operation. Excessive speeds can be dangerous, especially on technical terrain or in crowded areas. Responsible riders should wear appropriate safety gear and ride within their skill level.

What kind of maintenance is required to keep the LTZ 400 running at its peak performance?

Following the recommended service intervals, using high-quality oils and fluids, and promptly addressing any issues can help ensure your LTZ 400 continues to deliver its best performance. Regular valve adjustments, chain maintenance, and inspections are also crucial.

Final Checkpoint: Is the Suzuki LTZ 400 the Speed Demon for You?

After exploring the Suzuki LTZ 400’s impressive top speed capabilities, stellar performance, and well-rounded feature set, it’s clear that this quad is a compelling choice for speed enthusiasts and thrill-seekers alike.

Its combination of a potent four-stroke engine, lightweight design, and race-inspired suspension make it a true speed demon on the trails and dunes. With the right upgrades and modifications, owners can push the limits of what this quad can achieve in terms of outright velocity.

However, it’s crucial to remember that speed should always be tempered with responsibility and skill. The Suzuki LTZ 400 is a powerful machine that demands respect and proper riding techniques, especially at high speeds.

If you’re an experienced rider seeking an adrenaline-fueled ride that can deliver blistering performance without compromising versatility or affordability, the Suzuki LTZ 400 could be the perfect fit. Just be prepared to embrace the thrill and handle the power responsibly.

On the other hand, if outright top speed is your sole priority, and budget is less of a concern, larger displacement sport ATVs like the Yamaha YFZ450R or Arctic Cat DVX400 might be worth considering.

Ultimately, the Suzuki LTZ 400 is a well-rounded speed machine that strikes an impressive balance between raw performance, agility, and value. With its loyal following and robust aftermarket support, this quad is sure to continue captivating speed junkies for years to come.