The 2003 Suzuki LTZ400, often referred to as the "Quadsport Z400," is a sport ATV that quickly became a favorite in the off-road community. Launched in 2003, it was designed to offer performance and agility for recreational riding and competition. It came in a single, well-equipped trim. Its popularity stems from its potent engine, agile handling, and attractive price point, making it a benchmark for sport ATVs of its era.
The Good
The 2003 LTZ400 excels with its thrilling performance, robust reliability, and sporty design. It offers an exhilarating ride that appeals to enthusiasts, while its proven durability and accessible price provide practical value for budget-conscious buyers. Its comfortable ergonomics ensure enjoyable rides.
The Bad
Potential buyers of the 2003 LTZ400 should be aware of possible carburetor tuning issues and a stock exhaust system that can be restrictive. Some owners report that the suspension might feel a bit soft for aggressive riding without upgrades. Checking for common wear and tear on the drivetrain is also advisable.
2003 Suzuki LTZ400: Quick Overview
- Engine Options: The 2003 Suzuki LTZ400 features a single, potent engine option.
- Engine Type: Liquid-cooled, 4-stroke, DOHC, 4-valve, single-cylinder.
- Displacement: 398cc
- Horsepower: Approximately 40-42 horsepower (at the crank). Actual wheel horsepower will be lower.
- Fuel Economy: Fuel economy is highly variable depending on riding style and terrain. Expect somewhere in the range of 15-25 miles per gallon (MPG).
- 0-60 Times: Precise 0-60 mph times are not officially published for ATVs, but for context, it's a quick machine, often estimated in the 5-7 second range depending on conditions and rider.
- Towing Capacity: The LTZ400 is a sport ATV and is not designed for towing. It does not have a factory-specified towing capacity.
- Transmission: 5-speed manual with reverse.
- Drivetrain: Chain drive, 2WD (Rear Wheel Drive).
- Suspension (Front): Independent, double A-arm with adjustable piggyback shocks, offering approximately 8.5 inches of travel.
- Suspension (Rear): Swingarm with adjustable piggyback shock, offering approximately 9.1 inches of travel.
- Brakes: Dual hydraulic disc brakes (front), Single hydraulic disc brake (rear).
- Wheels and Tires: Typically equipped with 10-inch aluminum alloy wheels and aggressive sport ATV tires.
- Body Style: Sport ATV.
- Key Trims/Features: The 2003 model was largely a single, well-appointed trim. Standard features include electric start, a high-performance carburetor, a durable chassis, and adjustable suspension components. It was known for its aggressive styling and sport-oriented ergonomics.
2003 Suzuki LTZ400 Specifications
Vehicle Information
| Year | 2003 |
| 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 | 1 |
| 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 2003 Suzuki LTZ400 Have?
The 2003 Suzuki LTZ400 is generally regarded as a reliable sport ATV, but like any machine, it has some known areas to watch. One frequently reported issue pertains to the stock carburetor, which some owners find can be finicky to keep perfectly tuned, especially if modifications have been made. Some users have experienced issues with the stock clutch, particularly under aggressive riding conditions, leading to premature wear. Overheating can also be a concern if the cooling system isn't properly maintained or if the engine is pushed too hard in extreme conditions without adequate airflow.
Regarding recalls, it's important to check with Suzuki or a dealership for any specific recalls that may have been issued for the 2003 model year. However, common long-term reliability concerns often revolve around the wear and tear associated with any performance-oriented vehicle. The drivetrain, including the chain and sprockets, will require regular maintenance and replacement. Suspension components, such as bushings and bearings, can wear out over time due to the stresses of off-road use. The exhaust system, while functional, is sometimes criticized for being a bit restrictive, and upgrades are common.
When purchasing a used 2003 LTZ400, thorough inspection of the engine for leaks, the transmission for smooth shifting, and the frame for any signs of damage or cracks from hard impacts is crucial. The electrical system, while not overly complex, should also be checked. Overall, with diligent maintenance, the 2003 LTZ400 can be a very dependable machine.
Regarding recalls, it's important to check with Suzuki or a dealership for any specific recalls that may have been issued for the 2003 model year. However, common long-term reliability concerns often revolve around the wear and tear associated with any performance-oriented vehicle. The drivetrain, including the chain and sprockets, will require regular maintenance and replacement. Suspension components, such as bushings and bearings, can wear out over time due to the stresses of off-road use. The exhaust system, while functional, is sometimes criticized for being a bit restrictive, and upgrades are common.
When purchasing a used 2003 LTZ400, thorough inspection of the engine for leaks, the transmission for smooth shifting, and the frame for any signs of damage or cracks from hard impacts is crucial. The electrical system, while not overly complex, should also be checked. Overall, with diligent maintenance, the 2003 LTZ400 can be a very dependable machine.
How long will the 2003 Suzuki LTZ400 last?
Estimating average mileage for a sport ATV like the 2003 Suzuki LTZ400 is challenging as usage varies dramatically. However, well-maintained units can see well over 10,000 miles or 5,000+ hours of service life. Long-term durability is excellent if the vehicle receives regular maintenance. Key weaknesses that emerge over time include potential wear on the clutch and suspension components due to the demanding nature of sport riding. The drivetrain, particularly the chain and sprockets, requires consistent attention to prevent premature wear. Engine components are generally robust, but regular oil changes and coolant checks are vital. With proper care, the LTZ400 demonstrates strong longevity and can be a reliable companion for many years.
What Technology & Safety Features are Included?
The 2003 Suzuki LTZ400 is a purebred sport ATV, and as such, its focus is on performance and rider control rather than extensive technology. It predates the era where advanced electronic features were common in this class.
Built-in Tech: The primary technology is its electronic start system, offering convenience over a kick-starter. It features a basic digital instrument cluster displaying essential information like speed, odometer, and trip meter. The lighting system is functional for daylight riding and basic trail use, typically consisting of a headlight and taillight.
Entertainment: There is no form of built-in entertainment system, such as a radio or speakers, as this would detract from the focus on the riding experience and add unnecessary weight and complexity.
Driver-Assistance Features: The LTZ400, being a sport ATV, does not come equipped with any driver-assistance features common in automobiles like ABS, traction control, or stability control. Rider skill and input are paramount.
Safety Features: Safety is primarily rider-dependent. The ATV is equipped with hydraulic disc brakes on all wheels for strong stopping power. The chassis and bodywork offer some level of protection. However, the inherent nature of an ATV means safety relies heavily on the rider's gear (helmet, goggles, gloves, protective clothing) and responsible operation.
Optional Features: Many owners opt for aftermarket enhancements such as improved exhaust systems for more power, performance carburetors, upgraded suspension components for better handling and adjustability, handguards for protection, and sometimes even fender flares or different tire setups for specific terrains.
Crash-Test Ratings: ATVs, including the 2003 LTZ400, do not undergo standardized crash-testing in the same way cars do, and therefore, do not have official crash-test ratings from organizations like NHTSA or IIHS. Safety is managed through industry standards and rider education.
Built-in Tech: The primary technology is its electronic start system, offering convenience over a kick-starter. It features a basic digital instrument cluster displaying essential information like speed, odometer, and trip meter. The lighting system is functional for daylight riding and basic trail use, typically consisting of a headlight and taillight.
Entertainment: There is no form of built-in entertainment system, such as a radio or speakers, as this would detract from the focus on the riding experience and add unnecessary weight and complexity.
Driver-Assistance Features: The LTZ400, being a sport ATV, does not come equipped with any driver-assistance features common in automobiles like ABS, traction control, or stability control. Rider skill and input are paramount.
Safety Features: Safety is primarily rider-dependent. The ATV is equipped with hydraulic disc brakes on all wheels for strong stopping power. The chassis and bodywork offer some level of protection. However, the inherent nature of an ATV means safety relies heavily on the rider's gear (helmet, goggles, gloves, protective clothing) and responsible operation.
Optional Features: Many owners opt for aftermarket enhancements such as improved exhaust systems for more power, performance carburetors, upgraded suspension components for better handling and adjustability, handguards for protection, and sometimes even fender flares or different tire setups for specific terrains.
Crash-Test Ratings: ATVs, including the 2003 LTZ400, do not undergo standardized crash-testing in the same way cars do, and therefore, do not have official crash-test ratings from organizations like NHTSA or IIHS. Safety is managed through industry standards and rider education.
What Colors Options are Available?
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2003 Suzuki LTZ400 Prices and Market Value
When the 2003 Suzuki LTZ400 debuted, its MSRP was typically in the range of $5,500 to $6,000. Today, the used market prices for a 2003 LTZ400 vary significantly based on condition, mileage, and any modifications. You can expect to find them ranging from approximately $1,500 for units needing significant work to $4,000 or more for well-maintained, low-hour examples.
The LTZ400 has held its value remarkably well for its age, demonstrating strong depreciation resilience. Factors affecting resale value include the overall mechanical and cosmetic condition, the presence of desirable aftermarket upgrades (like exhaust, suspension, or engine tuning), tire wear, and whether it has been ridden hard or maintained meticulously. A clean title and a history of regular maintenance will greatly enhance its appeal and price.
The LTZ400 has held its value remarkably well for its age, demonstrating strong depreciation resilience. Factors affecting resale value include the overall mechanical and cosmetic condition, the presence of desirable aftermarket upgrades (like exhaust, suspension, or engine tuning), tire wear, and whether it has been ridden hard or maintained meticulously. A clean title and a history of regular maintenance will greatly enhance its appeal and price.
2003 Suzuki LTZ400 Cost of Ownership
Owning a 2003 Suzuki LTZ400 can be quite economical for a sport ATV. Insurance costs are generally low, often falling under recreational vehicle policies, and can range from $100-$300 annually depending on coverage and location. Fuel consumption is moderate, typically 15-25 MPG, making it reasonably efficient. Regular maintenance, including oil changes, chain lubrication, and filter replacements, is essential and relatively inexpensive. Repairs can vary; while common maintenance parts are affordable, major engine or transmission work could be more costly. Overall, the LTZ400 is considered a moderately priced vehicle to own and operate, especially when compared to its performance capabilities.
2003 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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2003 Suzuki LTZ400 Insurance
Insurance for a 2003 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 2003 Suzuki LTZ400 Compare to Other Motorcycle?
The 2003 Suzuki LTZ400 entered the sport ATV market facing stiff competition, most notably from the Yamaha YFZ350 Banshee, Yamaha Warrior 350, and Honda TRX400EX.
Performance: The LTZ400's 398cc liquid-cooled engine offered a significant power advantage over the air-cooled Yamaha Warrior 350 and Honda TRX400EX, delivering more torque and a broader powerband. While the Banshee offered raw, albeit peaky, two-stroke power, the LTZ400 was often seen as more user-friendly and manageable for a wider range of riders, providing a good balance of power and agility.
Features: The LTZ400 was generally well-equipped for its time, featuring electric start, adjustable suspension, and a modern chassis. The Banshee, a legendary machine, often lacked electric start and had a more basic suspension. The Warrior and TRX400EX also featured electric start and adjustable suspension, making them comparable in this regard, but often lacking the liquid-cooling advantage of the Suzuki.
Reliability: Suzuki's four-stroke engine was known for its reliability and durability compared to the more complex, and sometimes temperamental, two-stroke engine of the Banshee. The Warrior and TRX400EX also had strong reliability reputations, but the LTZ400's liquid-cooled design offered better temperature management under stress.
Price: The LTZ400 was positioned competitively, often slightly higher than the Warrior and TRX400EX new, but generally less expensive than a Banshee. In the used market, the LTZ400 typically holds its value well, reflecting its enduring appeal and reliability.
Alternatives:
Performance: The LTZ400's 398cc liquid-cooled engine offered a significant power advantage over the air-cooled Yamaha Warrior 350 and Honda TRX400EX, delivering more torque and a broader powerband. While the Banshee offered raw, albeit peaky, two-stroke power, the LTZ400 was often seen as more user-friendly and manageable for a wider range of riders, providing a good balance of power and agility.
Features: The LTZ400 was generally well-equipped for its time, featuring electric start, adjustable suspension, and a modern chassis. The Banshee, a legendary machine, often lacked electric start and had a more basic suspension. The Warrior and TRX400EX also featured electric start and adjustable suspension, making them comparable in this regard, but often lacking the liquid-cooling advantage of the Suzuki.
Reliability: Suzuki's four-stroke engine was known for its reliability and durability compared to the more complex, and sometimes temperamental, two-stroke engine of the Banshee. The Warrior and TRX400EX also had strong reliability reputations, but the LTZ400's liquid-cooled design offered better temperature management under stress.
Price: The LTZ400 was positioned competitively, often slightly higher than the Warrior and TRX400EX new, but generally less expensive than a Banshee. In the used market, the LTZ400 typically holds its value well, reflecting its enduring appeal and reliability.
Alternatives:
- Similar: The Kawasaki KFX400 and Arctic Cat DVX400 are essentially badge-engineered versions of the LTZ400, sharing the same core platform and engine, making them very similar alternatives. The Honda TRX400EX is a direct competitor that offers a different riding feel and character.
- Better (depending on needs): For pure, raw power and a classic two-stroke experience, the Yamaha YFZ350 Banshee remains a sought-after machine, though it requires more maintenance and rider skill. Newer models from any manufacturer will offer more advanced technology and performance, but at a significantly higher price point.
Final Verdict: Is the 2003 Suzuki LTZ400 a Good Motorcycle?
The 2003 Suzuki LTZ400 is ideal for recreational riders, aspiring racers, and anyone seeking an agile and potent sport ATV that offers thrilling performance without an exorbitant price tag. It's particularly well-suited for those who value a balance of power, handling, and proven reliability.
Given its age, buying the LTZ400 is almost exclusively a used purchase. It is absolutely worth buying if you find a well-maintained example. Inspecting thoroughly for damage, excessive wear, or neglected maintenance is crucial. Opting for a unit with a solid service history and minimal modifications will likely provide the best long-term ownership experience. While new versions aren't available, the 2003 model, in good condition, represents excellent value and continues to be a highly capable and enjoyable sport ATV.
Given its age, buying the LTZ400 is almost exclusively a used purchase. It is absolutely worth buying if you find a well-maintained example. Inspecting thoroughly for damage, excessive wear, or neglected maintenance is crucial. Opting for a unit with a solid service history and minimal modifications will likely provide the best long-term ownership experience. While new versions aren't available, the 2003 model, in good condition, represents excellent value and continues to be a highly capable and enjoyable sport ATV.
Drew B
Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma