The 2017 Kawasaki KLX140-AF is a lightweight, beginner-friendly dirt bike designed for off-road fun. Part of Kawasaki's long-standing KLX lineage, this model year typically features a single trim. Known for its approachable power delivery and agile handling, it's a popular choice for young riders and adults looking for a capable trail bike. Its affordability and reliability contribute significantly to its enduring appeal.
The Good
The 2017 KLX140-AF offers a winning combination of spirited, manageable performance and rock-solid reliability. Its user-friendly design inspires confidence, while its comfortable ergonomics ensure enjoyable rides. This dirt bike represents excellent value, making off-road adventures accessible and rewarding for riders of all skill levels.
The Bad
Potential buyers should note that the 2017 Kawasaki KLX140-AF may lack advanced features found on more premium bikes. Suspension might be basic for aggressive riding, and the engine power, while good for beginners, could be outgrown by experienced riders seeking more performance.
2017 Kawasaki KLX140-AF: Quick Overview
- Engine: 144cc, air-cooled, four-stroke, SOHC, two-valve single-cylinder
- Engine Bore x Stroke: 56.0 x 57.0 mm
- Compression Ratio: 9.5:1
- Fuel System: Keihin PB20 carburetor
- Ignition: CDI
- Transmission: 5-speed with wet multi-disc clutch
- Horsepower: Approximately 11-12 hp (estimated, exact figures often not officially published for this class)
- Torque: Approximately 8-9 lb-ft (estimated)
- Fuel Economy: Not officially rated, but expected to be highly efficient, likely over 60 mpg due to its small engine and off-road use.
- 0-60 mph: Not applicable for this type of off-road vehicle.
- Top Speed: Estimated around 55-60 mph, depending on rider and terrain.
- Towing Capacity: Not applicable.
- Frame: High-tensile steel, semi-double cradle
- Front Suspension: 33mm conventional fork
- Front Wheel Travel: 7.1 inches
- Rear Suspension: Uni-Trak with adjustable preload
- Rear Wheel Travel: 6.3 inches
- Front Tire: 70/100-17
- Rear Tire: 90/100-14
- Front Brakes: 220mm petal disc
- Rear Brakes: 186mm petal disc
- Length: 75.2 inches
- Width: 31.7 inches
- Height: 43.1 inches
- Wheelbase: 50.6 inches
- Ground Clearance: 11.0 inches
- Seat Height: 31.3 inches
- Curb Weight: 209.4 lbs
- Fuel Tank Capacity: 1.5 gallons
- Key Trim Features (Single Trim): Electric start, aggressive off-road tires, durable frame, adjustable rear suspension, petal disc brakes for improved stopping power, and a manageable powerband suitable for beginners and intermediate riders.
2017 Kawasaki KLX140-AF Specifications
Vehicle Information
| Year | 2017 |
| Make | Kawasaki |
| Model | KLX140-AF |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | RAYONG |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 140CC |
| Engine Size | 140L |
| 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 | - |
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What Problems Does the 2017 Kawasaki KLX140-AF Have?
The 2017 Kawasaki KLX140-AF is generally regarded as a very reliable and robust off-road motorcycle, especially for its intended use. Owners rarely report significant mechanical failures. However, like any vehicle, some common areas might warrant attention over time or with heavy use.
One area that sometimes comes up is the carburetor. While generally reliable, it can occasionally require cleaning or adjustment, particularly if the bike sits for extended periods or if poor quality fuel is used. This is a common maintenance item for many carbureted motorcycles, not necessarily a defect specific to the KLX140-AF.
Another point of discussion among owners can be the suspension. For very aggressive riders or those who are heavier, the stock suspension might feel a bit soft or undersprung. While not a "problem" in the sense of a failure, it might be a limitation for some users and could lead to aftermarket upgrades if performance is paramount. The linkage on the rear Uni-Trak system should be regularly inspected and lubricated to prevent premature wear, though this is standard maintenance.
Clutch wear is a possibility with any motorcycle, especially if ridden aggressively or used for prolonged off-road punishment. Regular clutch lever adjustment and proper engagement/disengagement techniques can prolong its life.
Regarding recalls for the 2017 model year, a comprehensive search of Kawasaki's official recall database for the KLX140 series did not reveal any widespread or significant recalls specific to this model year that would indicate a systemic issue. Kawasaki is generally proactive with safety recalls, and the absence of major ones for this specific year suggests good engineering and manufacturing.
Long-term reliability is typically very high. The engine is a proven unit with robust internal components. With regular oil changes, air filter cleaning, and proper chain maintenance, the KLX140-AF can last for many thousands of hours of trail riding. Wear items like tires, brake pads, and grips are expected to be replaced periodically, but the core mechanicals tend to hold up exceptionally well. The electric start system is also generally reliable, a significant plus over kick-start-only models.
One area that sometimes comes up is the carburetor. While generally reliable, it can occasionally require cleaning or adjustment, particularly if the bike sits for extended periods or if poor quality fuel is used. This is a common maintenance item for many carbureted motorcycles, not necessarily a defect specific to the KLX140-AF.
Another point of discussion among owners can be the suspension. For very aggressive riders or those who are heavier, the stock suspension might feel a bit soft or undersprung. While not a "problem" in the sense of a failure, it might be a limitation for some users and could lead to aftermarket upgrades if performance is paramount. The linkage on the rear Uni-Trak system should be regularly inspected and lubricated to prevent premature wear, though this is standard maintenance.
Clutch wear is a possibility with any motorcycle, especially if ridden aggressively or used for prolonged off-road punishment. Regular clutch lever adjustment and proper engagement/disengagement techniques can prolong its life.
Regarding recalls for the 2017 model year, a comprehensive search of Kawasaki's official recall database for the KLX140 series did not reveal any widespread or significant recalls specific to this model year that would indicate a systemic issue. Kawasaki is generally proactive with safety recalls, and the absence of major ones for this specific year suggests good engineering and manufacturing.
Long-term reliability is typically very high. The engine is a proven unit with robust internal components. With regular oil changes, air filter cleaning, and proper chain maintenance, the KLX140-AF can last for many thousands of hours of trail riding. Wear items like tires, brake pads, and grips are expected to be replaced periodically, but the core mechanicals tend to hold up exceptionally well. The electric start system is also generally reliable, a significant plus over kick-start-only models.
How long will the 2017 Kawasaki KLX140-AF last?
The 2017 Kawasaki KLX140-AF is built for durability and can offer many years of service. While mileage isn't the primary metric for dirt bikes (engine hours are more common, though not easily tracked without an hour meter), a well-maintained KLX140-AF could see 5,000 to 10,000 hours of use before major engine work is needed. On average, assuming moderate trail use of 50-100 hours per year, this means 50-100 years of service life, which is unrealistic. More practically, a well-cared-for unit might remain in reliable running condition for 10-15 years. Long-term durability is excellent for its class, with the air-cooled engine being a strong point. Weaknesses over time are typically limited to standard wear items and potentially the carburetor needing attention if neglected. The chassis and frame are robust and rarely present issues.
What Technology & Safety Features are Included?
The 2017 Kawasaki KLX140-AF, being a dedicated off-road motorcycle focused on simplicity and ease of use, does not feature the advanced technological systems found in street bikes or automobiles. Its built-in technology is primarily mechanical, designed for reliability and performance on trails.
There is no integrated entertainment system, as the focus is solely on the riding experience. Similarly, there are no driver-assistance features like ABS or traction control, which are not typically offered or necessary on this type of lightweight dirt bike. The design prioritizes direct rider control and feedback.
Safety features are limited to the essential components for safe operation:
Optional features are typically aftermarket accessories rather than factory-installed upgrades. These could include handguards for protection against roost and impacts, different exhaust systems for a slight performance boost or different sound, or more specialized suspension components for advanced riders.
Crash-test ratings are not applicable to motorcycles in the same way they are for cars. The safety of the rider depends heavily on protective gear (helmet, boots, gloves, etc.) and the rider's skill and situational awareness. The bike itself is designed with durability in mind to withstand typical off-road use and minor tip-overs.
There is no integrated entertainment system, as the focus is solely on the riding experience. Similarly, there are no driver-assistance features like ABS or traction control, which are not typically offered or necessary on this type of lightweight dirt bike. The design prioritizes direct rider control and feedback.
Safety features are limited to the essential components for safe operation:
- Brakes: It is equipped with front and rear petal disc brakes. Petal discs are designed to help clear mud and debris, improving braking performance in off-road conditions. The front brake is a 220mm disc, and the rear is a 186mm disc, providing adequate stopping power for its weight and speed capabilities.
- Tires: Knobby off-road tires are standard, providing grip on various terrains like dirt, mud, and gravel.
- Lighting: While some trail bikes may have minimal lighting (headlight and taillight), it's essential to check the specific configuration of the 2017 KLX140-AF, as some models might be sold without street-legal lighting depending on the region.
- Frame and Suspension: The robust semi-double cradle frame and the conventional front fork with Uni-Trak rear suspension are designed to absorb impacts and provide stability, contributing to rider safety and control over rough terrain.
Optional features are typically aftermarket accessories rather than factory-installed upgrades. These could include handguards for protection against roost and impacts, different exhaust systems for a slight performance boost or different sound, or more specialized suspension components for advanced riders.
Crash-test ratings are not applicable to motorcycles in the same way they are for cars. The safety of the rider depends heavily on protective gear (helmet, boots, gloves, etc.) and the rider's skill and situational awareness. The bike itself is designed with durability in mind to withstand typical off-road use and minor tip-overs.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2017 Kawasaki KLX140-AF Prices and Market Value
When new, the 2017 Kawasaki KLX140-AF typically retailed in the range of $3,000 to $3,500 USD, depending on the dealership and any promotional offers. As a used model, the 2017 KLX140-AF generally holds its value quite well, especially considering its target audience and reputation.
Current used market prices can vary significantly based on condition, mileage (or hours), location, and any modifications. Expect to find them ranging from approximately $1,500 to $2,500.
Depreciation is moderate for this type of off-road bike. Unlike street motorcycles that can see steeper declines, dirt bikes, particularly popular models like the KLX140-AF, are often bought for recreational use, meaning they might not accumulate as many miles as a commuter bike, preserving their value.
Factors affecting resale value include:
Current used market prices can vary significantly based on condition, mileage (or hours), location, and any modifications. Expect to find them ranging from approximately $1,500 to $2,500.
Depreciation is moderate for this type of off-road bike. Unlike street motorcycles that can see steeper declines, dirt bikes, particularly popular models like the KLX140-AF, are often bought for recreational use, meaning they might not accumulate as many miles as a commuter bike, preserving their value.
Factors affecting resale value include:
- Condition: Minimal cosmetic damage, well-maintained engine and suspension, and clean plastics will command higher prices.
- Maintenance Records: Proof of regular oil changes and servicing can increase buyer confidence and value.
- Modifications: While some desirable aftermarket parts (like upgraded exhaust or suspension) can add value, overly aggressive or poorly done modifications might detract from it.
- Originality: Many buyers prefer a stock or near-stock condition.
- Usage: Bikes that have been raced extensively may fetch lower prices compared to those used primarily for trail riding.
2017 Kawasaki KLX140-AF Cost of Ownership
The 2017 Kawasaki KLX140-AF is highly economical to own. Insurance costs are typically very low, often negligible if it's not being used on public roads and covered under a homeowner's policy or a specific off-road policy. Fuel costs are minimal; its small 144cc engine sips fuel, making it very efficient. Regular maintenance, including oil changes, air filter cleaning, and chain lubrication, is straightforward and inexpensive. Repair costs are generally low due to the simplicity of the design and the availability of affordable parts. Overall, it's a very budget-friendly vehicle for recreational riding.
2017 Kawasaki KLX140-AF Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2017 Kawasaki KLX140-AF Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2017 Kawasaki KLX140-AF Insurance
Insurance for a 2017 Kawasaki KLX140-AF is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2017 Kawasaki KLX140-AF Compare to Other Motorcycle?
The 2017 Kawasaki KLX140-AF competes in the popular lightweight, entry-level off-road motorcycle segment. Its primary rivals include models like the Honda CRF150F, Yamaha TT-R125LE, and sometimes the Suzuki DR-Z125L.
Performance: The KLX140-AF offers a balanced performance. Its 144cc engine provides a bit more grunt than the 125cc offerings from Yamaha and Suzuki, and generally on par with or slightly more potent than the CRF150F. The Kawasaki's 5-speed transmission is a plus over some 4-speeds, allowing for better gear ratios and slightly higher top speeds. The suspension is adequate for trail riding but may not match more performance-oriented bikes.
Features: A key advantage for the KLX140-AF is its electric start, a feature not always standard on its direct competitors (the TT-R125LE typically offers electric start, while the CRF150F and DR-Z125L often do not). This makes a significant difference for beginners. All these bikes feature simple, air-cooled engines and basic disc brakes, with the Kawasaki's petal discs offering a slight edge in mud clearing.
Reliability: All these Japanese brands are known for excellent reliability in this displacement class. The KLX140-AF is built with robust, proven components and is renowned for its dependability. The Honda CRF150F is also a legend in this regard. Yamaha's TT-R line is similarly bulletproof. Suzuki's DR-Z125L is also a solid choice. You're unlikely to go wrong with any of them from a reliability standpoint.
Price: Historically, the KLX140-AF has been competitively priced, often sitting in a similar range to its direct competitors. Used prices for a 2017 model are also comparable, making the decision more about specific features and condition than major price differences.
Recommendations:
Ultimately, the 2017 KLX140-AF stands out for its strong blend of approachable performance, electric start, and Kawasaki's signature reliability, making it an excellent value proposition in its class.
Performance: The KLX140-AF offers a balanced performance. Its 144cc engine provides a bit more grunt than the 125cc offerings from Yamaha and Suzuki, and generally on par with or slightly more potent than the CRF150F. The Kawasaki's 5-speed transmission is a plus over some 4-speeds, allowing for better gear ratios and slightly higher top speeds. The suspension is adequate for trail riding but may not match more performance-oriented bikes.
Features: A key advantage for the KLX140-AF is its electric start, a feature not always standard on its direct competitors (the TT-R125LE typically offers electric start, while the CRF150F and DR-Z125L often do not). This makes a significant difference for beginners. All these bikes feature simple, air-cooled engines and basic disc brakes, with the Kawasaki's petal discs offering a slight edge in mud clearing.
Reliability: All these Japanese brands are known for excellent reliability in this displacement class. The KLX140-AF is built with robust, proven components and is renowned for its dependability. The Honda CRF150F is also a legend in this regard. Yamaha's TT-R line is similarly bulletproof. Suzuki's DR-Z125L is also a solid choice. You're unlikely to go wrong with any of them from a reliability standpoint.
Price: Historically, the KLX140-AF has been competitively priced, often sitting in a similar range to its direct competitors. Used prices for a 2017 model are also comparable, making the decision more about specific features and condition than major price differences.
Recommendations:
- Similar Alternative: The Yamaha TT-R125LE is a very close competitor, especially if electric start is a priority. It offers a similar blend of performance and reliability. The Honda CRF150F is also a great option for its legendary reliability and smooth power delivery, though it may lack electric start.
- Better Alternative (if budget allows and for slightly more experienced riders): For riders looking for a step up in performance and features without breaking the bank, consider looking at slightly larger displacement bikes like the Kawasaki KLX230 or Honda CRF250F. If looking for a more premium, modern dirt bike experience in a similar size, a used KTM 85 SX or Husqvarna TC 85 might be considered, though these are significantly more performance-oriented and expensive.
Ultimately, the 2017 KLX140-AF stands out for its strong blend of approachable performance, electric start, and Kawasaki's signature reliability, making it an excellent value proposition in its class.
Final Verdict: Is the 2017 Kawasaki KLX140-AF a Good Motorcycle?
The 2017 Kawasaki KLX140-AF is an ideal choice for beginner riders, both young and adult, looking for their first true off-road experience. Its manageable power, electric start, and forgiving handling inspire confidence and make learning enjoyable. It's also a great option for experienced riders seeking a fun, lightweight trail bike for casual rides or for teaching newer riders.
It is absolutely worth buying, especially on the used market where it offers exceptional value. As a used purchase, prioritize finding a bike that has been well-maintained, with minimal cosmetic damage and a sound mechanical history. The single trim available for this model year is well-equipped for its purpose, so focusing on the condition of a used unit is more important than searching for specific trim levels. It provides reliable, fun, and economical off-road adventuring.
It is absolutely worth buying, especially on the used market where it offers exceptional value. As a used purchase, prioritize finding a bike that has been well-maintained, with minimal cosmetic damage and a sound mechanical history. The single trim available for this model year is well-equipped for its purpose, so focusing on the condition of a used unit is more important than searching for specific trim levels. It provides reliable, fun, and economical off-road adventuring.
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.