The 2006 Suzuki LTZ400, also known as the Quadsport Z400, is a highly popular and versatile sport ATV. Introduced in 2003, this model represents a fantastic balance of performance and reliability within the sport quad segment. It features a sleek, aggressive sport ATV body style and was generally offered in a single well-equipped trim, with color options. New, it retailed around $5,899-$5,999. Its popularity stems from its excellent all-around capability, making it ideal for diverse riding conditions from trails to dunes, and its durable, easy-to-maintain nature.
The Good
The 2006 Suzuki LTZ400 offers impressive performance with its responsive engine and agile handling, making for an exhilarating ride. Its renowned Suzuki reliability means less downtime and more adventure. The comfortable ergonomics and aggressive design enhance the riding experience, while decent fuel efficiency adds practical value. It's a durable machine that holds its value, appealing to buyers seeking both thrilling fun and a smart, long-lasting investment.
The Bad
Potential weaknesses for the 2006 Suzuki LTZ400 include the carburetor's sensitivity to tuning, especially with aftermarket modifications, and wear on A-arm and swingarm bushings over time. The stock suspension can feel soft for aggressive riders, and plastics are susceptible to cracking from impacts. Owners should also watch for potential starter clutch or water pump seal issues with age.
2006 Suzuki LTZ400: Quick Overview
The 2006 Suzuki LTZ400, known for its balanced performance, boasts a robust set of specifications:
- Engine: It features a single engine option: a 398cc, liquid-cooled, 4-stroke, DOHC, single-cylinder engine with a dry sump lubrication system. This power plant is fed by a Mikuni BSR36 carburetor, providing reliable fuel delivery.
- Horsepower: The stock engine typically produces around 34-36 horsepower, which is ample for trail riding, sport riding, and even light dune activities, providing a good balance of power without being overwhelming for intermediate riders.
- Fuel Economy: Fuel economy for ATVs varies significantly based on riding style, terrain, and maintenance. However, the LTZ400 generally offers decent efficiency for its class, often achieving an estimated 20-30 miles per gallon under mixed riding conditions. Its 2.8-gallon fuel tank provides a reasonable range for most outings.
- 0-60 Times: As a sport ATV, official 0-60 mph times are not typically published. However, the LTZ400 is known for its quick acceleration, capable of reaching speeds from 0 to 60 mph in approximately 5-7 seconds, depending on rider weight and conditions, making it feel very responsive.
- Towing Capacity: The Suzuki LTZ400 is designed as a sport ATV and is not intended for towing. It does not have a manufacturer-specified towing capacity, and attempting to tow heavy loads is not recommended and could damage the frame or powertrain.
- Trim-Level Features: The 2006 LTZ400 was primarily offered as a single, well-equipped model. Key features include:
- Five-speed manual transmission with reverse, utilizing a precise and durable chain drive system.
- Fully adjustable suspension with pre-load adjustable shocks at both the front (double A-arm) and rear (swingarm with monoshock), offering good travel for varied terrain.
- Hydraulic disc brakes at both the front and rear for strong, consistent stopping power.
- Lightweight aluminum swingarm to reduce unsprung weight and improve handling.
- Digital instrument cluster displaying speed, odometer, twin trip meters, and a clock.
- Electric start for convenient ignition.
- Aggressive styling with durable plastic bodywork and comfortable sport seating.
- Headlights and taillight for visibility and night riding.
2006 Suzuki LTZ400 Specifications
Vehicle Information
| Year | 2006 |
| 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 2006 Suzuki LTZ400 Have?
The 2006 Suzuki LTZ400 is generally lauded for its robustness, but like any machine, it has specific areas that owners frequently report as problematic or require attention over time. One common issue for the carbureted 2003-2008 models, including the 2006, is the carburetor's sensitivity to changes in altitude, temperature, or modifications (like aftermarket exhaust/air filter). Improper jetting can lead to poor performance, bogging, or hard starting. Many owners eventually upgrade to a different carburetor or meticulously tune the stock unit.
Another frequently reported concern involves the water pump seal, which can develop leaks over time, leading to coolant loss. While not catastrophic if caught early, it requires replacing the seal, which can be a common maintenance item on older units. Some earlier models of the Z400 (pre-2005) had more pronounced issues with the starter motor's one-way clutch, leading to grinding noises or failure to engage; by 2006, this was largely improved but still worth checking on higher-hour machines.
Long-term reliability concerns often revolve around wear items. A-arm and swingarm bushings are prone to wearing out, leading to loose steering or rear suspension play, necessitating replacement. The rear swingarm pivot bolt can also seize if not periodically removed and greased. Electrical gremlins are less common but can appear with age, often related to corroded connections or worn wiring. Regular valve adjustments are crucial for maintaining optimal engine performance and longevity, as neglected valves can cause starting difficulties or even engine damage. As for recalls, while specific widespread recalls targeting major engine or chassis defects for the 2006 LTZ400 are not commonly cited, owners should always check official NHTSA or manufacturer databases for any potential safety bulletins or campaigns that may apply to their specific VIN. Overall, most issues are manageable with regular maintenance and attention.
Another frequently reported concern involves the water pump seal, which can develop leaks over time, leading to coolant loss. While not catastrophic if caught early, it requires replacing the seal, which can be a common maintenance item on older units. Some earlier models of the Z400 (pre-2005) had more pronounced issues with the starter motor's one-way clutch, leading to grinding noises or failure to engage; by 2006, this was largely improved but still worth checking on higher-hour machines.
Long-term reliability concerns often revolve around wear items. A-arm and swingarm bushings are prone to wearing out, leading to loose steering or rear suspension play, necessitating replacement. The rear swingarm pivot bolt can also seize if not periodically removed and greased. Electrical gremlins are less common but can appear with age, often related to corroded connections or worn wiring. Regular valve adjustments are crucial for maintaining optimal engine performance and longevity, as neglected valves can cause starting difficulties or even engine damage. As for recalls, while specific widespread recalls targeting major engine or chassis defects for the 2006 LTZ400 are not commonly cited, owners should always check official NHTSA or manufacturer databases for any potential safety bulletins or campaigns that may apply to their specific VIN. Overall, most issues are manageable with regular maintenance and attention.
How long will the 2006 Suzuki LTZ400 last?
For ATVs like the 2006 Suzuki LTZ400, 'hours of service' is often a more accurate measure than mileage, although mileage trackers are sometimes installed. A well-maintained LTZ400 can easily provide thousands of hours of service, equivalent to many years or even over a decade of recreational use. Many owners report their machines lasting 15+ years with proper care. The engine itself is highly durable if oil changes, valve adjustments, and air filter maintenance are adhered to.
Long-term durability is a strong point for the LTZ400. However, weaknesses tend to emerge in suspension components, bearings (wheel bearings, swingarm bearings), and bushings, which wear out from constant impact and exposure to elements. Plastics can fade, become brittle, and crack over time. Corrosion can also become an issue, especially in wet or salty environments, affecting electrical connections and frame components. Consistent maintenance is the primary determinant of its impressive longevity.
Long-term durability is a strong point for the LTZ400. However, weaknesses tend to emerge in suspension components, bearings (wheel bearings, swingarm bearings), and bushings, which wear out from constant impact and exposure to elements. Plastics can fade, become brittle, and crack over time. Corrosion can also become an issue, especially in wet or salty environments, affecting electrical connections and frame components. Consistent maintenance is the primary determinant of its impressive longevity.
What Technology & Safety Features are Included?
The 2006 Suzuki LTZ400, being a sport ATV of its era, featured a 'back-to-basics' approach, prioritizing raw riding experience over advanced technological integration. Its built-in tech is minimal but functional:
- Built-in Tech: The primary technological feature is its digital instrument cluster. This compact display typically includes a speedometer, odometer, two trip meters (A and B), a clock, and indicator lights for neutral, reverse, and oil temperature. This provides essential information to the rider without being overly complex. The electric start system is also a convenience feature, eliminating the need for kick-starting.
- Entertainment: As a utilitarian off-road sport vehicle, the LTZ400 includes no built-in entertainment features such as radios, speakers, or infotainment screens. Rider entertainment is purely derived from the exhilarating experience of riding the ATV itself.
- Driver-Assistance: Driver-assistance features, common in modern automobiles, are entirely absent from the 2006 LTZ400. There are no traction control systems, anti-lock brakes, stability control, or any form of power steering. The rider is solely responsible for controlling the vehicle's dynamics and navigating terrain.
- Safety Features: Basic safety features are integrated: bright headlights and a taillight ensure visibility, especially during dusk or night riding. An engine kill switch provides an immediate way to shut off the engine in an emergency. A neutral safety switch prevents starting in gear, and a parking brake helps secure the ATV when stationary. The overall safety largely relies on the operator's skill, experience, and adherence to safe riding practices.
- Optional Features: From the factory, specific 'optional features' in terms of varying tech or safety packages were not available. However, the aftermarket industry for the LTZ400 is vast, offering numerous optional upgrades. These include performance parts (exhausts, engine modifications), protection (skid plates, nerf bars, handguards), comfort items (aftermarket seats, wider footpegs), and suspension upgrades (aftermarket shocks, A-arms) to tailor the ATV to individual riding styles and preferences.
- Crash-Test Ratings: ATVs are not subject to the same crash-test ratings and safety standards as on-road vehicles. Therefore, no official crash-test ratings from organizations like NHTSA or IIHS exist for the 2006 Suzuki LTZ400. Rider safety depends on wearing appropriate personal protective equipment (helmet, gloves, boots, protective clothing) and riding responsibly.
What Colors Options are Available?
We’re working on this section!
In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2006 Suzuki LTZ400 Prices and Market Value
When new, the 2006 Suzuki LTZ400 had an MSRP typically ranging from $5,899 to $5,999. Today, in the used market, prices vary significantly based on condition, maintenance history, modifications, and hours of use. A well-maintained 2006 LTZ400 can command anywhere from $2,500 to $4,000+, while machines needing significant work might sell for $1,500 or less.
Depreciation for sport ATVs like the LTZ400 is relatively stable after the initial drop. They tend to hold their value well compared to other powersports or automotive categories due to consistent demand. Factors heavily affecting resale value include the overall cosmetic condition (plastics, seat), mechanical integrity (engine, transmission, suspension), evidence of proper maintenance, and whether it has a clear title. Aftermarket performance parts can sometimes increase value if tastefully done, but heavily modified or neglected machines will see lower prices.
Depreciation for sport ATVs like the LTZ400 is relatively stable after the initial drop. They tend to hold their value well compared to other powersports or automotive categories due to consistent demand. Factors heavily affecting resale value include the overall cosmetic condition (plastics, seat), mechanical integrity (engine, transmission, suspension), evidence of proper maintenance, and whether it has a clear title. Aftermarket performance parts can sometimes increase value if tastefully done, but heavily modified or neglected machines will see lower prices.
2006 Suzuki LTZ400 Cost of Ownership
Ownership costs for a 2006 Suzuki LTZ400 are generally quite economical. Insurance, particularly for liability-only coverage, is relatively inexpensive compared to automobiles. Fuel costs are moderate, as it uses regular gasoline and offers decent MPG for an ATV. Maintenance is manageable, requiring regular oil changes, air filter cleaning, chain lubrication, and occasional valve adjustments. Parts are widely available and reasonably priced. Common repairs, like replacing bushings or brake pads, are straightforward for a mechanically inclined owner. Major engine work can be costly but is rare if properly maintained. Overall, the LTZ400 is an economical vehicle to own long-term, provided consistent preventative maintenance is performed.
2006 Suzuki LTZ400 Fuel Efficiency
Fuel Type
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2006 Suzuki LTZ400 Insurance
Insurance for a 2006 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 2006 Suzuki LTZ400 Compare to Other Motorcycle?
The 2006 Suzuki LTZ400 sits in a highly competitive sport ATV segment, primarily squaring off against machines like the Honda TRX400EX (later 400X), Yamaha Raptor 350, and its near-identical twin, the Kawasaki KFX400. It also somewhat competes with the more aggressive 450cc class, such as the Yamaha YFZ450 and Honda TRX450R.
Recommended Alternatives:
- Performance: The LTZ400 offers a great blend of power and agility. Its liquid-cooled 398cc engine provides more bottom-end torque and a broader powerband than the air-cooled Honda TRX400EX, making it feel more potent and responsive across various terrains. It significantly outperforms the less powerful, air-cooled Yamaha Raptor 350. While the LTZ400 is quick, it doesn't match the raw, race-ready power and high-revving nature of the 450cc machines like the YFZ450, which are designed for more aggressive, track-focused riding. However, for trail riding and general sport use, the LTZ400's power delivery is highly accessible and enjoyable.
- Features: A key advantage of the LTZ400 over the TRX400EX is its liquid-cooling system, which offers better thermal management during hard riding. Both offered electric start and manual transmission. The LTZ400 also came with a more advanced suspension (fully adjustable pre-load shocks) compared to some rivals. Basic digital instrumentation was a common feature across most of these models. The Kawasaki KFX400 is virtually identical, being a rebadged version of the Suzuki.
- Reliability: Reliability is a strong suit for the LTZ400, often mentioned in the same breath as Honda's legendary reliability. Its engine is known for being robust and long-lasting with proper maintenance. The TRX400EX is also exceptionally reliable due to its simpler air-cooled design. The YFZ450, while powerful, often requires more frequent, meticulous maintenance due to its higher-performance, high-compression engine.
- Price: New, the LTZ400 was competitively priced. In the used market, it generally commands prices comparable to the TRX400EX, often slightly higher than a Raptor 350, but less than a YFZ450 or TRX450R due to the performance difference. Its strong resale value reflects its reputation.
Recommended Alternatives:
- For similar balanced performance and reliability, consider the Honda TRX400EX/400X (for air-cooled simplicity) or the Kawasaki KFX400 (which is essentially the same ATV).
- If more raw, race-oriented power and cutting-edge performance are desired, the Yamaha YFZ450 or Honda TRX450R are excellent, albeit more demanding, alternatives.
- For a slightly less powerful but still fun and extremely reliable option, the Yamaha Raptor 350 is a good choice for beginners or those prioritizing ultimate simplicity and lower cost.
Final Verdict: Is the 2006 Suzuki LTZ400 a Good Motorcycle?
The 2006 Suzuki LTZ400 is an outstanding choice for a wide range of riders, particularly those stepping up from smaller machines or seasoned riders seeking a versatile, reliable sport quad without the extreme demands of a 450cc racer. It's ideal for trail riding, casual dune excursions, and general sport use, offering a fantastic balance of power, handling, and comfort. Given its age, it's exclusively a used purchase now.
It is absolutely worth buying under the right conditions: prioritize a well-maintained example with documented service history if possible. Check for excessive play in bearings, good compression, and intact plastics. Since there weren't distinct trims, focus on the overall condition and any quality aftermarket upgrades like suspension or protection. Avoid heavily abused or neglected machines. For its reliability, performance, and relatively low ownership costs, the LTZ400 remains one of the best value used sport ATVs on the market, promising years of exciting adventures.
It is absolutely worth buying under the right conditions: prioritize a well-maintained example with documented service history if possible. Check for excessive play in bearings, good compression, and intact plastics. Since there weren't distinct trims, focus on the overall condition and any quality aftermarket upgrades like suspension or protection. Avoid heavily abused or neglected machines. For its reliability, performance, and relatively low ownership costs, the LTZ400 remains one of the best value used sport ATVs on the market, promising years of exciting adventures.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.