The 2006 Kawasaki KFX400 is a sport ATV that emerged as a rebadged Suzuki LT-Z400, sharing its potent engine and chassis. Produced from 2003 to 2006, it was a popular choice for riders seeking performance and agility. It typically came in a single, well-equipped trim, with a pricing range that reflected its capable performance. Its popularity stemmed from its excellent balance of power, handling, and a relatively accessible price point for its capabilities.
The Good
The 2006 KFX400 excels with its thrilling performance, responsive handling, and a robust engine. Its dependable nature offers peace of mind, while its sporty design appeals to enthusiasts. For practical buyers, its good value for money makes it an attractive proposition.
The Bad
Potential buyers should be aware of a few common KFX400 quirks. These can include occasional carburetor tuning issues and potential wear on the chain and sprockets if not properly maintained. Also, the stock suspension may feel a bit soft for aggressive riders.
2006 Kawasaki KFX400: Quick Overview
- Engine Options: The 2006 Kawasaki KFX400 exclusively featured a single-cylinder, four-stroke, liquid-cooled engine.
- Displacement: This engine had a displacement of 398cc.
- Bore x Stroke: 86.0 mm x 69.0 mm.
- Compression Ratio: 11.6:1.
- Horsepower: While official figures vary slightly, it was generally rated around 38-40 horsepower.
- Torque: Approximately 27-29 lb-ft.
- Fuel System: Mikuni 37mm carburetor.
- Ignition: Digital CDI.
- Transmission: 5-speed manual with reverse.
- Clutch: Wet multi-plate.
- Drive System: 2WD (Two-Wheel Drive) with a sealed O-ring chain.
- Fuel Economy: Specific EPA ratings are not readily available for ATVs of this era, but expect it to be in the range of 20-25 miles per gallon depending on riding style and terrain.
- 0-60 Times: Not typically tested or published for ATVs, but its acceleration is considered brisk and responsive for its class.
- Top Speed: Varies with terrain and rider weight, but generally capable of reaching speeds in the range of 65-75 mph.
- Towing Capacity: The KFX400 is not designed for towing and does not have a specified towing capacity.
- Suspension: Front: Independent, double A-arm with adjustable piggyback reservoir shocks, 8.7 inches of travel. Rear: Swingarm with adjustable piggyback reservoir shock, 9.1 inches of travel.
- Brakes: Front: Dual hydraulic discs. Rear: Single hydraulic disc.
- Tires: Front: AT21x7R-10. Rear: AT20x10R-9.
- Dimensions: Length: 70.9 inches, Width: 45.3 inches, Height: 44.1 inches, Wheelbase: 49.2 inches, Ground Clearance: 10.8 inches.
- Dry Weight: Approximately 375 lbs.
- Fuel Capacity: 3.2 gallons, including a 0.7-gallon reserve.
- Trim-Level Features: The 2006 KFX400 typically came in one well-equipped trim. Key features included a powerful liquid-cooled engine, adjustable suspension, durable frame, aggressive styling, and a reliable drivetrain.
2006 Kawasaki KFX400 Specifications
Vehicle Information
| Year | 2006 |
| Make | Kawasaki |
| Model | KFX400 |
| Trim | - |
| Style | - |
| Type | Motorcycle Terrain Cycle Recreational Vehicle |
| Category | Motorcycle |
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 | 400cc 0cyl |
| Engine Size | 400L |
| Engine Cylinders | - |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | - |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
Vehicle
Specifications
Specifications
Ownership
History
History
All History
Events
Events
NMVTIS Title
History Check
History Check
Salvage/Rebuilt
Check
Check
Accident
Check
Check
Theft
Check
Check
Open Lien
Check
Check
Past Sale
Listings
Listings
Safety
Recalls
Recalls
Odometer
Check
Check
Market Price
Analysis
Analysis
What Problems Does the 2006 Kawasaki KFX400 Have?
The 2006 Kawasaki KFX400, being a rebadged Suzuki LT-Z400, shares many of its reliability characteristics. Overall, it is considered a robust and dependable machine. However, like any performance ATV, certain issues can arise, particularly with age and use.
One of the most frequently reported, though not necessarily major, concerns revolves around the carburetor. Over time, especially if not properly maintained or if subjected to dirty fuel, the stock Mikuni carburetor can require tuning or cleaning to maintain optimal performance. Some owners have reported a tendency for it to bog down or run inconsistently if not dialed in correctly. This is often exacerbated by modifications made to the exhaust or air intake without proper jetting adjustments.
Another area that owners often address is the suspension. While the stock suspension is competent for general trail riding, more aggressive riders or those tackling challenging terrain might find it a bit soft. Upgrades to aftermarket shocks or springs are common modifications rather than a true reliability concern.
The drivetrain, specifically the chain and sprockets, are subject to normal wear and tear. Consistent lubrication and adjustment are crucial to prevent premature wear or breakage. Neglecting this can lead to a snapped chain, which can cause secondary damage to the engine cases or transmission.
Regarding specific model year issues for 2006, there aren't widely documented widespread problems that differ significantly from other years of the KFX400 or its Suzuki counterpart. Recalls are not prominently reported for this specific model year that would indicate systemic failures. However, it is always prudent for any used ATV buyer to check for any outstanding recalls with the manufacturer or through NHTSA.
Long-term reliability is generally good, provided the ATV has been maintained according to manufacturer recommendations. This includes regular oil changes, coolant checks, filter cleaning or replacement, and thorough inspections of the chain, sprockets, and brakes. Owners who have kept their KFX400s in good condition report many years of enjoyable service. The engine, in particular, is known for its durability when treated well. Issues that do arise are often related to wear and tear from heavy use or a lack of proper maintenance, rather than inherent design flaws.
One of the most frequently reported, though not necessarily major, concerns revolves around the carburetor. Over time, especially if not properly maintained or if subjected to dirty fuel, the stock Mikuni carburetor can require tuning or cleaning to maintain optimal performance. Some owners have reported a tendency for it to bog down or run inconsistently if not dialed in correctly. This is often exacerbated by modifications made to the exhaust or air intake without proper jetting adjustments.
Another area that owners often address is the suspension. While the stock suspension is competent for general trail riding, more aggressive riders or those tackling challenging terrain might find it a bit soft. Upgrades to aftermarket shocks or springs are common modifications rather than a true reliability concern.
The drivetrain, specifically the chain and sprockets, are subject to normal wear and tear. Consistent lubrication and adjustment are crucial to prevent premature wear or breakage. Neglecting this can lead to a snapped chain, which can cause secondary damage to the engine cases or transmission.
Regarding specific model year issues for 2006, there aren't widely documented widespread problems that differ significantly from other years of the KFX400 or its Suzuki counterpart. Recalls are not prominently reported for this specific model year that would indicate systemic failures. However, it is always prudent for any used ATV buyer to check for any outstanding recalls with the manufacturer or through NHTSA.
Long-term reliability is generally good, provided the ATV has been maintained according to manufacturer recommendations. This includes regular oil changes, coolant checks, filter cleaning or replacement, and thorough inspections of the chain, sprockets, and brakes. Owners who have kept their KFX400s in good condition report many years of enjoyable service. The engine, in particular, is known for its durability when treated well. Issues that do arise are often related to wear and tear from heavy use or a lack of proper maintenance, rather than inherent design flaws.
How long will the 2006 Kawasaki KFX400 last?
Estimating average mileage for ATVs like the 2006 Kawasaki KFX400 is challenging as they don't have odometers in the same way cars do, and usage varies wildly. However, based on owner anecdotal data, a well-maintained KFX400 can easily provide 5-10 years of service or accumulate the equivalent of 10,000-20,000 miles of recreational use. Its long-term durability is considered quite good, largely due to its robust engine and chassis inherited from the Suzuki LT-Z400.
The main weaknesses that emerge over time are typically related to normal wear and tear. Components like the clutch, brakes, and suspension bushings will eventually require replacement. The carburetor, as mentioned, may need periodic attention. Engine internals are generally very stout and can last for a very long time with consistent oil changes and proper cooling. However, neglect, such as running it low on oil or overheating, can significantly shorten its lifespan. The frame is also known for its strength. Overall, if properly cared for, the KFX400 is a very durable machine that can offer many years of service.
The main weaknesses that emerge over time are typically related to normal wear and tear. Components like the clutch, brakes, and suspension bushings will eventually require replacement. The carburetor, as mentioned, may need periodic attention. Engine internals are generally very stout and can last for a very long time with consistent oil changes and proper cooling. However, neglect, such as running it low on oil or overheating, can significantly shorten its lifespan. The frame is also known for its strength. Overall, if properly cared for, the KFX400 is a very durable machine that can offer many years of service.
What Technology & Safety Features are Included?
The 2006 Kawasaki KFX400, being a sport ATV from its era, operates with a primary focus on performance and rider engagement rather than advanced technology, entertainment, or extensive driver-assistance systems.
Built-in Tech: The technology found on the KFX400 is primarily mechanical. This includes its reliable liquid-cooled engine with a Mikuni carburetor for fuel delivery, a digital CDI ignition system for efficient spark timing, and a robust transmission with reverse. The instrument cluster is typically minimalist, featuring essential warning lights (e.g., neutral, oil pressure, high beam) and perhaps a basic trip meter. There is no advanced onboard computer or diagnostic system.
Entertainment: Entertainment in the context of the KFX400 is derived purely from the riding experience itself – the thrill of acceleration, the challenge of navigating terrain, and the freedom of the outdoors. There are no built-in entertainment systems such as radios, speakers, or digital displays found in automotive applications.
Driver-Assistance Features: Driver-assistance features as understood in modern vehicles are entirely absent. The rider is solely responsible for controlling the ATV. Features like traction control, stability control, or anti-lock braking systems (ABS) were not present on this model. The rider's skill and judgment are the primary safety and control mechanisms.
Safety Features: Safety features on the KFX400 are limited to its inherent design characteristics. These include sturdy handlebars for control, handguards (often standard or easily added) to protect hands from impacts, a well-designed chassis for stability, and effective hydraulic disc brakes on all wheels for stopping power. The aggressive tire tread provides grip on various surfaces.
Optional Features: While not built-in, many optional accessories were available to enhance the KFX400. These could include upgraded suspension components, aftermarket exhaust systems for more power and sound, different tire sets for specific terrains, skid plates for underbody protection, grab bars, and specialized seating for comfort and control.
Crash-Test Ratings: Unlike road vehicles, ATVs like the KFX400 do not undergo standardized crash-test ratings from organizations like the NHTSA or IIHS. The safety of an ATV is largely dependent on the rider's experience, adherence to safety guidelines, and the use of appropriate protective gear, such as helmets, goggles, gloves, and riding apparel. The design prioritizes maneuverability and rider input over passive safety systems.
Built-in Tech: The technology found on the KFX400 is primarily mechanical. This includes its reliable liquid-cooled engine with a Mikuni carburetor for fuel delivery, a digital CDI ignition system for efficient spark timing, and a robust transmission with reverse. The instrument cluster is typically minimalist, featuring essential warning lights (e.g., neutral, oil pressure, high beam) and perhaps a basic trip meter. There is no advanced onboard computer or diagnostic system.
Entertainment: Entertainment in the context of the KFX400 is derived purely from the riding experience itself – the thrill of acceleration, the challenge of navigating terrain, and the freedom of the outdoors. There are no built-in entertainment systems such as radios, speakers, or digital displays found in automotive applications.
Driver-Assistance Features: Driver-assistance features as understood in modern vehicles are entirely absent. The rider is solely responsible for controlling the ATV. Features like traction control, stability control, or anti-lock braking systems (ABS) were not present on this model. The rider's skill and judgment are the primary safety and control mechanisms.
Safety Features: Safety features on the KFX400 are limited to its inherent design characteristics. These include sturdy handlebars for control, handguards (often standard or easily added) to protect hands from impacts, a well-designed chassis for stability, and effective hydraulic disc brakes on all wheels for stopping power. The aggressive tire tread provides grip on various surfaces.
Optional Features: While not built-in, many optional accessories were available to enhance the KFX400. These could include upgraded suspension components, aftermarket exhaust systems for more power and sound, different tire sets for specific terrains, skid plates for underbody protection, grab bars, and specialized seating for comfort and control.
Crash-Test Ratings: Unlike road vehicles, ATVs like the KFX400 do not undergo standardized crash-test ratings from organizations like the NHTSA or IIHS. The safety of an ATV is largely dependent on the rider's experience, adherence to safety guidelines, and the use of appropriate protective gear, such as helmets, goggles, gloves, and riding apparel. The design prioritizes maneuverability and rider input over passive safety systems.
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 Kawasaki KFX400 Prices and Market Value
When new, the 2006 Kawasaki KFX400 typically retailed in the range of $6,000 to $7,000 USD, depending on dealer and any promotional offers at the time. These sport ATVs represented a significant investment for recreational riders seeking performance.
Currently, the used market price for a 2006 Kawasaki KFX400 can vary considerably. You might find them ranging from approximately $2,500 to $5,000 or more. The price is heavily influenced by condition, mileage (or hours of use), any modifications, and whether it has been maintained properly. A well-preserved, low-hour example with desirable upgrades can command a higher price than a heavily used or modified machine.
Depreciation has been significant, as is typical for most recreational vehicles. However, the KFX400 has held its value relatively well compared to some other ATVs due to its proven performance and popularity. Factors affecting resale value include:
- Condition: Overall cosmetic and mechanical condition are paramount.
- Maintenance Records: Proof of regular maintenance enhances value.
- Modifications: Desirable performance upgrades can increase value, while poorly executed or overly aggressive modifications might decrease it.
- Originality: Many buyers prefer machines that are largely original.
- Location: Regional demand can also play a role.
Currently, the used market price for a 2006 Kawasaki KFX400 can vary considerably. You might find them ranging from approximately $2,500 to $5,000 or more. The price is heavily influenced by condition, mileage (or hours of use), any modifications, and whether it has been maintained properly. A well-preserved, low-hour example with desirable upgrades can command a higher price than a heavily used or modified machine.
Depreciation has been significant, as is typical for most recreational vehicles. However, the KFX400 has held its value relatively well compared to some other ATVs due to its proven performance and popularity. Factors affecting resale value include:
- Condition: Overall cosmetic and mechanical condition are paramount.
- Maintenance Records: Proof of regular maintenance enhances value.
- Modifications: Desirable performance upgrades can increase value, while poorly executed or overly aggressive modifications might decrease it.
- Originality: Many buyers prefer machines that are largely original.
- Location: Regional demand can also play a role.
2006 Kawasaki KFX400 Cost of Ownership
Owning a 2006 Kawasaki KFX400 involves several cost considerations. Insurance can be relatively affordable for recreational ATVs, often falling in the range of $100-$300 annually, depending on coverage and location. Fuel economy, while not officially rated, is reasonable for its class, likely averaging 20-25 MPG, making fuel costs manageable.
Maintenance costs are moderate. Regular oil changes, chain lubrication, and filter cleaning are essential and relatively inexpensive. Repair costs can vary; minor issues like carburetor adjustments are cheap, but major engine or transmission work can be costly. Parts availability is generally good. Overall, the KFX400 is not excessively costly to own, especially if well-maintained. It leans towards being economical for a sport ATV, offering good performance for its upkeep expenses.
Maintenance costs are moderate. Regular oil changes, chain lubrication, and filter cleaning are essential and relatively inexpensive. Repair costs can vary; minor issues like carburetor adjustments are cheap, but major engine or transmission work can be costly. Parts availability is generally good. Overall, the KFX400 is not excessively costly to own, especially if well-maintained. It leans towards being economical for a sport ATV, offering good performance for its upkeep expenses.
2006 Kawasaki KFX400 Fuel Efficiency
Fuel Type
-
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2006 Kawasaki KFX400 Insurance
Insurance for a 2006 Kawasaki KFX400 is moderately priced, reflecting its status as a Motorcycle Terrain Cycle Recreational Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2006 Kawasaki KFX400 Compare to Other Motorcycle Terrain Cycle Recreational Vehicle?
The 2006 Kawasaki KFX400 was a strong contender in the sport ATV market, directly competing with models like the Suzuki LT-Z400 (its direct sibling), Yamaha YFZ450, and Honda TRX450R.
Performance: In terms of raw performance, the KFX400 offered a potent 398cc engine that provided excellent low-end torque and good mid-range power, making it very capable for trail riding and general sport riding. The Yamaha YFZ450, with its 450cc engine, generally had a slight edge in top-end horsepower and a more aggressive powerband, appealing to racers and riders seeking maximum speed. The Honda TRX450R was also known for its strong, predictable power delivery and excellent handling.
Features: Feature-wise, the KFX400 and its Suzuki counterpart were very similar, offering capable adjustable suspension and a reliable drivetrain. The YFZ450 often came with slightly more advanced suspension components, and the TRX450R was praised for its handling dynamics and rider ergonomics. Luxury features were minimal across all these models, focusing on function over form.
Reliability: The KFX400 (and LT-Z400) is widely regarded as one of the most reliable sport ATVs of its generation. Its engine and chassis are robust and proven. The YFZ450 is also generally reliable, though some early models had minor issues. The Honda TRX450R is renowned for its bulletproof reliability.
Price: When new, these machines were all priced within a similar bracket, generally ranging from $6,000 to $7,500. On the used market, prices fluctuate based on condition and demand. The KFX400 and LT-Z400 often represent a slightly better value proposition for those seeking strong performance without the premium price of a YFZ450 or TRX450R, especially if racing is not the primary focus.
Recommendations:
- Similar Alternatives: The 2006 Suzuki LT-Z400 is essentially the same ATV and is an excellent comparable alternative.
- Better Performance (Potentially): For those prioritizing outright speed and racing capabilities, the 2006 Yamaha YFZ450 or 2006 Honda TRX450R might be considered superior, though often at a higher used price point and potentially with slightly less low-end grunt than the KFX400.
- Value Choice: If budget is a primary concern and you're looking for a dependable sport ATV for general trail riding and recreational use, the 2006 KFX400 or LT-Z400 remains a fantastic choice. If you find a well-maintained example, it offers a great balance of performance, reliability, and affordability.
Performance: In terms of raw performance, the KFX400 offered a potent 398cc engine that provided excellent low-end torque and good mid-range power, making it very capable for trail riding and general sport riding. The Yamaha YFZ450, with its 450cc engine, generally had a slight edge in top-end horsepower and a more aggressive powerband, appealing to racers and riders seeking maximum speed. The Honda TRX450R was also known for its strong, predictable power delivery and excellent handling.
Features: Feature-wise, the KFX400 and its Suzuki counterpart were very similar, offering capable adjustable suspension and a reliable drivetrain. The YFZ450 often came with slightly more advanced suspension components, and the TRX450R was praised for its handling dynamics and rider ergonomics. Luxury features were minimal across all these models, focusing on function over form.
Reliability: The KFX400 (and LT-Z400) is widely regarded as one of the most reliable sport ATVs of its generation. Its engine and chassis are robust and proven. The YFZ450 is also generally reliable, though some early models had minor issues. The Honda TRX450R is renowned for its bulletproof reliability.
Price: When new, these machines were all priced within a similar bracket, generally ranging from $6,000 to $7,500. On the used market, prices fluctuate based on condition and demand. The KFX400 and LT-Z400 often represent a slightly better value proposition for those seeking strong performance without the premium price of a YFZ450 or TRX450R, especially if racing is not the primary focus.
Recommendations:
- Similar Alternatives: The 2006 Suzuki LT-Z400 is essentially the same ATV and is an excellent comparable alternative.
- Better Performance (Potentially): For those prioritizing outright speed and racing capabilities, the 2006 Yamaha YFZ450 or 2006 Honda TRX450R might be considered superior, though often at a higher used price point and potentially with slightly less low-end grunt than the KFX400.
- Value Choice: If budget is a primary concern and you're looking for a dependable sport ATV for general trail riding and recreational use, the 2006 KFX400 or LT-Z400 remains a fantastic choice. If you find a well-maintained example, it offers a great balance of performance, reliability, and affordability.
Final Verdict: Is the 2006 Kawasaki KFX400 a Good Motorcycle Terrain Cycle Recreational Vehicle?
The 2006 Kawasaki KFX400 is an ideal choice for recreational riders, weekend warriors, and intermediate riders looking for a capable and fun sport ATV without the extreme price tag of top-tier racing machines. Its blend of manageable power, agile handling, and renowned reliability makes it a fantastic option for trail riding, exploring, and general sport use.
It is absolutely worth buying, particularly on the used market. Given its discontinuation, finding a new one is impossible. The key is to find a well-maintained, relatively low-hour example.
Buying a used KFX400 is recommended. Focus on machines that have clear maintenance history and appear to have been cared for. Avoid heavily modified units unless you are knowledgeable about performance tuning. Since there's only one main trim, your decision will hinge on the condition and price of the individual machine rather than specific trim levels. For its price point in the used market, the KFX400 offers exceptional value and a rewarding riding experience.
It is absolutely worth buying, particularly on the used market. Given its discontinuation, finding a new one is impossible. The key is to find a well-maintained, relatively low-hour example.
Buying a used KFX400 is recommended. Focus on machines that have clear maintenance history and appear to have been cared for. Avoid heavily modified units unless you are knowledgeable about performance tuning. Since there's only one main trim, your decision will hinge on the condition and price of the individual machine rather than specific trim levels. For its price point in the used market, the KFX400 offers exceptional value and a rewarding riding experience.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.