The 2005 Suzuki LTZ400, commonly known as the QuadSport Z400, is a highly regarded sport ATV. Introduced in 2003, it features an aggressive sport quad body style designed for nimble handling and performance. Its key trims primarily varied by color options and minor graphic updates across its model years, which extended well into the 2010s. New, it typically ranged from $5,500 to $6,000. It stands out for its balanced blend of power, agility, and reliability, making it a popular choice for both trail riding and light track use due to its versatile nature.
The Good
The LTZ400 excels with its robust 398cc engine offering spirited performance, perfectly balancing power and control for exciting rides. Its reputation for reliability and durable construction ensures peace of mind for practical owners, while its comfortable ergonomics and sporty design appeal to emotional buyers seeking adventure and style. Excellent value on the used market, it's a "go-anywhere" machine.
The Bad
Known weaknesses include potential issues with the stator, especially on earlier models, and wear on swingarm bearings, which can affect handling. The factory rear shock can also be a bit soft for aggressive riders. Additionally, the original carburetors may require frequent cleaning or tuning, particularly if the ATV sits unused for extended periods. Watch out for these when considering a used unit.
2005 Suzuki LTZ400: Quick Overview
- Engine: The 2005 Suzuki LTZ400 is powered by a single engine option: a 398cc, liquid-cooled, DOHC, four-stroke, single-cylinder engine. This engine is known for its strong low-to-mid range power delivery, making it highly versatile for various riding conditions. It features a dry sump lubrication system and a 36mm Mikuni BSR carburetor for fuel delivery. The engine is mated to a crisp 5-speed manual transmission with a reverse gear, providing precise control for the rider.
- Horsepower: While specific manufacturer-published horsepower figures vary and are often not officially disclosed for ATVs, the 398cc engine is generally estimated to produce approximately 34-36 horsepower at the crankshaft. This power output, combined with the ATV's relatively light weight (around 372 lbs dry), results in a strong power-to-weight ratio that contributes to its lively performance.
- Fuel Economy: Fuel economy for sport ATVs like the LTZ400 is highly dependent on riding style, terrain, and maintenance. Owners typically report a range of 25-40 miles per gallon (MPG) under varied conditions. With its 2.8-gallon fuel tank, riders can expect a decent range for extended trail excursions before needing to refuel.
- 0-60 Times: "0-60 mph" times are not typically measured or relevant for sport ATVs like the LTZ400 due to their primary use case (off-road, trails, track) and gearing. Its acceleration is brisk and responsive, designed for quick bursts of speed on uneven terrain rather than sustained high-speed runs on pavement.
- Towing Capacity: The Suzuki LTZ400 is not designed or rated for towing. As a dedicated sport ATV, its chassis and suspension are optimized for aggressive riding, jumping, and cornering, not for hauling loads. Any attempt to tow could compromise handling and potentially damage the frame or drivetrain.
- Trim-Level Features: The 2005 LTZ400 largely came in a single "trim," with variations mainly limited to color schemes (e.g., yellow, blue, black). Standard features included: dual A-arm front suspension with 8.5 inches of travel, a swingarm rear suspension with 9.1 inches of travel, adjustable preload shocks, hydraulic disc brakes all around, electric start, and a digital instrumentation panel displaying speed, distance, and time. Its lightweight aluminum subframe and steel frame contributed to its agile handling and durability. No significant optional "trim-level" packages were offered beyond aesthetic differences; performance upgrades typically came from aftermarket parts.
2005 Suzuki LTZ400 Specifications
Vehicle Information
| Year | 2005 |
| Make | Suzuki |
| Model | LTZ400 |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Low Speed Vehicle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | TOYOKAWA |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | K428 |
| Engine Size | 398L |
| Engine Cylinders | - |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | Rear-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2005 Suzuki LTZ400 Have?
The 2005 Suzuki LTZ400, while largely reliable, has a few frequently reported problems that potential owners should be aware of. One of the most common issues, particularly on earlier models (2003-2004, though still a concern for 2005), involves the stator. The original stators were sometimes prone to premature failure, leading to charging system problems, drained batteries, and eventual power loss. Many owners proactively replace the factory stator with a higher-quality aftermarket unit for peace of mind. Another prevalent concern relates to the carburetor, specifically the Mikuni BSR36. These carburetors can be finicky, often requiring meticulous cleaning or jetting adjustments if the ATV experiences prolonged periods of inactivity or if fuel quality is poor. Blocked pilot jets are a common culprit for hard starting or poor idle.
Beyond engine electrical and fuel delivery, owners frequently report wear on the rear swingarm bearings. These bearings are crucial for the stability and handling of the rear suspension. Neglecting maintenance, such as proper greasing, can accelerate their wear, leading to excessive play in the rear axle and compromised handling. This issue is more a function of maintenance than a design flaw, but it's a common repair item on older units. The factory rear shock, while functional, is often deemed too soft for aggressive riding or heavier riders, leading many to upgrade to an aftermarket shock or rebuild/revalve the existing one.
There were no major widespread recalls specifically for the 2005 model year LTZ400 that addressed fundamental design flaws causing safety hazards, unlike some isolated issues on other vehicles. Long-term reliability is generally excellent if the ATV is maintained properly. The 398cc engine is robust, and the overall build quality is high. However, neglecting routine maintenance, such as oil changes, valve adjustments, chain lubrication, and bearing greasing, will undoubtedly lead to accelerated wear and costly repairs, as with any high-performance ATV. Used buyers should inspect the swingarm bearings, check the charging system output, and assess the carburetor's performance.
Beyond engine electrical and fuel delivery, owners frequently report wear on the rear swingarm bearings. These bearings are crucial for the stability and handling of the rear suspension. Neglecting maintenance, such as proper greasing, can accelerate their wear, leading to excessive play in the rear axle and compromised handling. This issue is more a function of maintenance than a design flaw, but it's a common repair item on older units. The factory rear shock, while functional, is often deemed too soft for aggressive riding or heavier riders, leading many to upgrade to an aftermarket shock or rebuild/revalve the existing one.
There were no major widespread recalls specifically for the 2005 model year LTZ400 that addressed fundamental design flaws causing safety hazards, unlike some isolated issues on other vehicles. Long-term reliability is generally excellent if the ATV is maintained properly. The 398cc engine is robust, and the overall build quality is high. However, neglecting routine maintenance, such as oil changes, valve adjustments, chain lubrication, and bearing greasing, will undoubtedly lead to accelerated wear and costly repairs, as with any high-performance ATV. Used buyers should inspect the swingarm bearings, check the charging system output, and assess the carburetor's performance.
How long will the 2005 Suzuki LTZ400 last?
Based on owner data and proper maintenance, a 2005 Suzuki LTZ400 can easily provide 10-15 years of reliable service, and often much longer. Many units from this era are still actively ridden today. Unlike cars, "mileage" on ATVs is often tracked by hours or simply condition, as odometers are less common. An LTZ400 with 500-1000 hours of ride time is considered well-used but still serviceable if maintained. Long-term durability is a strong point, with the engine proving exceptionally robust. Weaknesses over time primarily involve wear items: swingarm bearings, front A-arm bushings, ball joints, and tie rod ends will eventually need replacement. The original stator can fail, and carburetion may become finicky. Regular oil changes, valve adjustments, and chassis greasing are crucial for maximizing lifespan. Neglecting these leads to premature wear on critical components, turning a durable ATV into a money pit.
What Technology & Safety Features are Included?
The 2005 Suzuki LTZ400, being a sport ATV from that era, has a relatively basic set of "built-in tech" and features, reflecting its purpose-built design for off-road performance rather than luxury or advanced electronics. Its primary technological advancement was its DOHC, liquid-cooled engine design, offering efficient power delivery and reliable cooling.
Built-in Tech:
Entertainment:
Sport ATVs like the LTZ400 are not equipped with entertainment systems. The "entertainment" comes purely from the riding experience itself – the sound of the engine, the thrill of the trails, and the challenge of conquering terrain. There are no radios, speakers, or infotainment screens built into the vehicle.
Driver-Assistance:
Driver-assistance features such as traction control, ABS, or stability control are entirely absent from the 2005 LTZ400. Control of the vehicle is entirely manual, relying on the rider's skill and input for navigation and handling challenges. This is standard for sport ATVs, where direct rider involvement is central to the experience.
Safety Features:
Optional Features:
From the factory, there were generally no significant optional "features" or packages. Any enhancements were typically aftermarket, ranging from performance exhaust systems and suspension upgrades to protective components like skid plates and handguards.
Crash-Test Ratings:
ATVs, including the Suzuki LTZ400, are not subjected to official crash-test ratings by organizations like the NHTSA or IIHS, as they are off-road vehicles and not designed for highway use. Rider safety relies heavily on appropriate personal protective equipment (helmet, goggles, gloves, boots, protective clothing) and responsible riding practices.
Built-in Tech:
- Digital Instrumentation: The LTZ400 features a compact digital display that typically includes a speedometer, odometer, trip meter, and clock. This was considered quite modern for a sport ATV at the time, offering practical information to the rider.
- Electric Start: A convenient electric start system means no more kick-starting, improving ease of use. A backup recoil starter might be present on some models, though less common on sport quads of this type.
- DC CDI Ignition: A reliable electronic ignition system ensures consistent spark for optimal engine performance.
- Adjustable Suspension: While not "tech" in the electronic sense, the ability to adjust the preload on the front and rear shocks allows riders to fine-tune the suspension for their weight and riding style, a crucial performance feature.
Entertainment:
Sport ATVs like the LTZ400 are not equipped with entertainment systems. The "entertainment" comes purely from the riding experience itself – the sound of the engine, the thrill of the trails, and the challenge of conquering terrain. There are no radios, speakers, or infotainment screens built into the vehicle.
Driver-Assistance:
Driver-assistance features such as traction control, ABS, or stability control are entirely absent from the 2005 LTZ400. Control of the vehicle is entirely manual, relying on the rider's skill and input for navigation and handling challenges. This is standard for sport ATVs, where direct rider involvement is central to the experience.
Safety Features:
- Lighting: Equipped with headlights and a taillight for visibility during low-light conditions.
- Braking System: Hydraulic disc brakes on all four wheels provide strong and reliable stopping power.
- Kill Switch: An engine kill switch (tethered or handlebar-mounted) allows for immediate engine shutdown in an emergency.
- Foot Pegs and Nerf Bars (often aftermarket): Standard wide foot pegs offer good grip. Many riders add aftermarket nerf bars to prevent their feet from getting caught under the wheels, enhancing safety.
Optional Features:
From the factory, there were generally no significant optional "features" or packages. Any enhancements were typically aftermarket, ranging from performance exhaust systems and suspension upgrades to protective components like skid plates and handguards.
Crash-Test Ratings:
ATVs, including the Suzuki LTZ400, are not subjected to official crash-test ratings by organizations like the NHTSA or IIHS, as they are off-road vehicles and not designed for highway use. Rider safety relies heavily on appropriate personal protective equipment (helmet, goggles, gloves, boots, protective clothing) and responsible riding practices.
What Colors Options are Available?
Exterior Colors
Champion Yellow No. 2
Solid Black
2005 Suzuki LTZ400 Prices and Market Value
When new, the 2005 Suzuki LTZ400 typically retailed in the range of $5,500 to $6,000. These were competitive prices for a versatile mid-size sport quad. Fast forward to today, current used market prices vary significantly based on condition, modifications, and region, but generally range from $2,500 for well-used or slightly neglected units to $4,500 or even $5,000 for exceptionally clean, well-maintained, or tastefully modified examples. This represents a solid retention of value for a nearly two-decade-old ATV. Depreciation on the LTZ400 has been quite reasonable compared to many other recreational vehicles. Factors affecting resale value include the overall mechanical condition of the engine, transmission, and suspension, the aesthetic condition of the plastics and frame, evidence of regular maintenance, and any desirable aftermarket upgrades like exhaust or shocks. A clean title and clear history also boost value considerably. Neglected maintenance, extensive damage, or excessive modifications can significantly reduce its worth.
2005 Suzuki LTZ400 Cost of Ownership
The 2005 Suzuki LTZ400 is generally an economical ATV to own. Insurance costs are typically low, especially for off-road-only use, often just requiring liability or property damage if ridden on private land. Fuel consumption is reasonable for a 400cc sport quad, benefiting from its single-cylinder engine and carburetor. Maintenance is straightforward, requiring regular oil changes, valve adjustments, chain lubrication, and chassis greasing; most tasks are DIY-friendly. Repairs are also relatively inexpensive due to the widespread availability of parts, both OEM and aftermarket. Common wear items like bearings and brakes are affordable. Long-term ownership costs are kept low by its inherent reliability and simple design. It's a financially sensible choice for enthusiasts, provided basic maintenance is not neglected.
2005 Suzuki LTZ400 Fuel Efficiency
Fuel Type
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Fuel Capacity
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City Mileage
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Highway Mileage
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2005 Suzuki LTZ400 Insurance
Insurance for a 2005 Suzuki LTZ400 is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2005 Suzuki LTZ400 Compare to Other Motorcycle?
The 2005 Suzuki LTZ400 stands as a highly competitive offering against its key rivals in the 400cc-class sport ATV market, most notably the Kawasaki KFX400 (which was essentially the same machine due to a Suzuki-Kawasaki partnership), the Honda TRX400EX, and the Yamaha YFZ450.
Performance: The LTZ400's 398cc liquid-cooled DOHC engine offers a potent blend of low-end torque and mid-range power, making it incredibly versatile for trails and light track duty. It feels quicker and more aggressive than the air-cooled Honda TRX400EX, which, while reliable, is less powerful. The Yamaha YFZ450, introduced in 2004, raised the bar for performance with its more powerful, race-bred 450cc engine, making it superior in raw speed and competition, but often less forgiving for casual riders. The LTZ400, however, strikes a better balance for a wider range of riders.
Features: All these ATVs featured manual transmissions, disc brakes, and adjustable suspension. The LTZ400's liquid-cooling and DOHC design were more advanced than the air-cooled SOHC engine of the TRX400EX. Digital instrumentation was a nice touch on the Suzuki/Kawasaki. The YFZ450, being race-focused, typically had higher-spec adjustable suspension components, but the LTZ400's setup was very capable for its intended purpose.
Reliability: This is where the LTZ400 truly shines, often rivaling the legendary reliability of the Honda TRX400EX. Both are known for their bulletproof engines and sturdy chassis, assuming proper maintenance. The LTZ400's main Achilles' heel, the stator on earlier models, is a known and easily addressable issue. The YFZ450, while powerful, demanded more meticulous maintenance and sometimes experienced higher wear rates due to its higher-strung nature.
Price: New, their prices were competitive. On the used market, the LTZ400 generally holds its value very well, often falling in a similar price bracket to the TRX400EX. The YFZ450, despite its higher performance, might sometimes be found at comparable prices, but its potentially higher maintenance demands should be considered.
Similar Alternatives: If seeking something very similar, the Kawasaki KFX400 is virtually identical, so it's an excellent alternative. For more aggressive, race-oriented riding, a Yamaha YFZ450 (or even a later generation YFZ450R) would be a step up in performance. If absolute bulletproof reliability and less aggressive power delivery are priorities, the Honda TRX400EX remains a strong contender, though it feels a bit dated in comparison.
Performance: The LTZ400's 398cc liquid-cooled DOHC engine offers a potent blend of low-end torque and mid-range power, making it incredibly versatile for trails and light track duty. It feels quicker and more aggressive than the air-cooled Honda TRX400EX, which, while reliable, is less powerful. The Yamaha YFZ450, introduced in 2004, raised the bar for performance with its more powerful, race-bred 450cc engine, making it superior in raw speed and competition, but often less forgiving for casual riders. The LTZ400, however, strikes a better balance for a wider range of riders.
Features: All these ATVs featured manual transmissions, disc brakes, and adjustable suspension. The LTZ400's liquid-cooling and DOHC design were more advanced than the air-cooled SOHC engine of the TRX400EX. Digital instrumentation was a nice touch on the Suzuki/Kawasaki. The YFZ450, being race-focused, typically had higher-spec adjustable suspension components, but the LTZ400's setup was very capable for its intended purpose.
Reliability: This is where the LTZ400 truly shines, often rivaling the legendary reliability of the Honda TRX400EX. Both are known for their bulletproof engines and sturdy chassis, assuming proper maintenance. The LTZ400's main Achilles' heel, the stator on earlier models, is a known and easily addressable issue. The YFZ450, while powerful, demanded more meticulous maintenance and sometimes experienced higher wear rates due to its higher-strung nature.
Price: New, their prices were competitive. On the used market, the LTZ400 generally holds its value very well, often falling in a similar price bracket to the TRX400EX. The YFZ450, despite its higher performance, might sometimes be found at comparable prices, but its potentially higher maintenance demands should be considered.
Similar Alternatives: If seeking something very similar, the Kawasaki KFX400 is virtually identical, so it's an excellent alternative. For more aggressive, race-oriented riding, a Yamaha YFZ450 (or even a later generation YFZ450R) would be a step up in performance. If absolute bulletproof reliability and less aggressive power delivery are priorities, the Honda TRX400EX remains a strong contender, though it feels a bit dated in comparison.
Final Verdict: Is the 2005 Suzuki LTZ400 a Good Motorcycle?
The 2005 Suzuki LTZ400 is ideal for a wide range of riders, from experienced beginners looking to step up from smaller models to seasoned enthusiasts seeking a fun, versatile trail machine. It's perfect for those who want a capable sport ATV that can handle aggressive trail riding, moderate jumping, and even light track use without being overly powerful or intimidating. It strikes an excellent balance between performance and rider-friendliness.
Yes, it is absolutely worth buying, especially as a used vehicle today. Its strong reputation for reliability, readily available parts, and relatively low ownership costs make it an outstanding value. Look for a well-maintained used unit, preferably with documented service history. Pay close attention to the condition of the chassis bearings, check for any smoke from the exhaust, and ensure the charging system is functioning correctly. As there were no significant trim differences, focus on the overall condition and care taken by previous owners rather than specific trim levels. It's an enduring classic that provides immense bang for the buck.
Yes, it is absolutely worth buying, especially as a used vehicle today. Its strong reputation for reliability, readily available parts, and relatively low ownership costs make it an outstanding value. Look for a well-maintained used unit, preferably with documented service history. Pay close attention to the condition of the chassis bearings, check for any smoke from the exhaust, and ensure the charging system is functioning correctly. As there were no significant trim differences, focus on the overall condition and care taken by previous owners rather than specific trim levels. It's an enduring classic that provides immense bang for the buck.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.