The 2011 Kawasaki KLX140-AF is a popular entry-level off-road motorcycle designed for trail riding and recreational use. As part of Kawasaki's long-standing KLX line, this model is known for its beginner-friendly nature. While specific trims for 2011 are limited to the base KLX140, it often came in standard and sometimes a slightly more performance-oriented 'L' version with larger wheels. New pricing in its era typically ranged from $3,000 to $3,500. Its popularity stems from its approachable power, ease of use, and Kawasaki's reputation for reliability in the dirt bike segment.
The Good
The 2011 KLX140-AF excels with its peppy yet manageable engine, robust Kawasaki reliability for worry-free adventures, and a comfortable riding position. Its lightweight design enhances agility, offering pure riding enjoyment for enthusiasts and a practical, confidence-building machine for newcomers.
The Bad
Potential buyers of the 2011 Kawasaki KLX140-AF should watch out for a somewhat basic suspension setup that can feel overwhelmed by aggressive riding or larger impacts. Additionally, its air-cooled engine can be susceptible to overheating during prolonged, strenuous use in very hot conditions.
2011 Kawasaki KLX140-AF: Quick Overview
- Engine: The 2011 Kawasaki KLX140-AF features a single-cylinder, air-cooled, SOHC, 4-stroke engine.
- Displacement: 138cc.
- Bore x Stroke: 56.0 x 54.6 mm.
- Compression Ratio: 9.5:1.
- Fuel System: Keihin PB20 carburetor.
- Ignition: Digital CDI.
- Transmission: 5-speed with wet multi-disc clutch.
- Horsepower: While official figures are not always published for this class, it's estimated to be around 11-13 horsepower, providing ample power for its intended purpose.
- Fuel Economy: Specific MPG figures are not typically tested or reported for off-road motorcycles. However, due to its small engine and carburetor, it is generally very fuel-efficient, with riders reporting excellent range on a tank.
- 0-60 Times: Not applicable for off-road motorcycles as they are not designed for paved road acceleration.
- Top Speed: Estimated around 55-65 mph, depending on rider weight, terrain, and gearing.
- Towing Capacity: Not applicable. This is a motorcycle designed for riding, not towing.
- Chassis: High-tensile steel, semi-double cradle frame.
- Front Suspension: 33mm telescopic fork with 7.1 inches of travel.
- Rear Suspension: Uni-Trak with adjustable preload and 7.3 inches of travel.
- Front Tire: 70/100x19.
- Rear Tire: 90/100x16.
- Brakes: Front: 220mm petal disc. Rear: 186mm petal disc.
- Dimensions (L x W x H): Approximately 73.0 x 30.5 x 42.7 inches.
- Wheelbase: Approximately 49.4 inches.
- Ground Clearance: Approximately 9.3 inches.
- Seat Height: Approximately 31.3 inches.
- Curb Weight: Approximately 205 lbs.
- Fuel Capacity: 1.5 gallons.
- Trim-Level Features: The 2011 KLX140-AF generally came as a single primary model. Some variations might have existed with slight differences in wheel sizes (e.g., the KLX140L having a 19-inch front and 16-inch rear wheel as standard, whereas the base KLX140 might have had a 17-inch rear). Standard features include electric start, durable plastics, and Kawasaki's reputable build quality.
2011 Kawasaki KLX140-AF Specifications
Vehicle Information
| Year | 2011 |
| Make | Kawasaki |
| Model | KLX140-AF |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | AMPHUR PLUAK DAENG |
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 2011 Kawasaki KLX140-AF Have?
The 2011 Kawasaki KLX140-AF, like many off-road motorcycles in its class, is generally known for its robust build and reliability when properly maintained. However, as with any machine, there are common areas to be aware of.
One frequently reported area, especially for riders who push the bike hard or are heavier, is the suspension. The stock suspension is designed for entry-level riders and trail use, so it can feel a bit soft and undersprung for aggressive riding, jumps, or larger impacts. This can lead to bottoming out or a lack of control. While not a mechanical failure, it's a performance limitation that some owners address with aftermarket upgrades.
The air-cooled nature of the engine means that prolonged, high-stress riding in extremely hot weather can potentially lead to overheating. This is more of a concern for sustained, high-speed trail riding or tight, technical sections with minimal airflow. Ensuring proper air intake and avoiding prolonged lugging of the engine in high gears can mitigate this. Owners often check the cooling fins for debris.
Minor electrical issues are uncommon but can occur with any vehicle that spends time off-road. This might include loose connections due to vibration, particularly for accessories if added. The electric starter system is generally reliable, but like any starter, it requires a healthy battery and good connections.
Chain and sprocket wear are standard maintenance items for all chain-driven motorcycles and should be monitored. Brake pads and rotors will also wear down based on riding conditions and frequency. Clutch wear is also a factor, especially if the bike is used for frequent aggressive riding or by riders who tend to slip the clutch excessively.
Regarding recalls for the 2011 model year, a thorough check of Kawasaki's official recall database for the KLX140 is recommended. However, there are no widespread, commonly cited major mechanical recalls that plague the 2011 KLX140-AF specifically. Its reliability is generally a strong point, making it a favored choice for its segment. Long-term reliability is heavily dependent on adherence to the maintenance schedule, including oil changes, air filter cleaning, and general inspection. With proper care, these bikes can last for many years and hundreds of riding hours.
One frequently reported area, especially for riders who push the bike hard or are heavier, is the suspension. The stock suspension is designed for entry-level riders and trail use, so it can feel a bit soft and undersprung for aggressive riding, jumps, or larger impacts. This can lead to bottoming out or a lack of control. While not a mechanical failure, it's a performance limitation that some owners address with aftermarket upgrades.
The air-cooled nature of the engine means that prolonged, high-stress riding in extremely hot weather can potentially lead to overheating. This is more of a concern for sustained, high-speed trail riding or tight, technical sections with minimal airflow. Ensuring proper air intake and avoiding prolonged lugging of the engine in high gears can mitigate this. Owners often check the cooling fins for debris.
Minor electrical issues are uncommon but can occur with any vehicle that spends time off-road. This might include loose connections due to vibration, particularly for accessories if added. The electric starter system is generally reliable, but like any starter, it requires a healthy battery and good connections.
Chain and sprocket wear are standard maintenance items for all chain-driven motorcycles and should be monitored. Brake pads and rotors will also wear down based on riding conditions and frequency. Clutch wear is also a factor, especially if the bike is used for frequent aggressive riding or by riders who tend to slip the clutch excessively.
Regarding recalls for the 2011 model year, a thorough check of Kawasaki's official recall database for the KLX140 is recommended. However, there are no widespread, commonly cited major mechanical recalls that plague the 2011 KLX140-AF specifically. Its reliability is generally a strong point, making it a favored choice for its segment. Long-term reliability is heavily dependent on adherence to the maintenance schedule, including oil changes, air filter cleaning, and general inspection. With proper care, these bikes can last for many years and hundreds of riding hours.
How long will the 2011 Kawasaki KLX140-AF last?
The 2011 Kawasaki KLX140-AF, when maintained diligently, demonstrates excellent long-term durability. Owner data and anecdotal evidence suggest that with regular oil changes, air filter cleaning/replacement, and chain maintenance, these bikes can easily rack up 10,000 miles or more, often translating to 10-15 years of service for recreational riders. The engine and transmission are robust for their displacement. Weaknesses over time are typically related to wear and tear on consumables like tires, brake pads, and chain/sprockets. The suspension components may eventually require servicing or replacement, particularly if subjected to harsh use. The electric start system is also generally reliable over the long haul, though battery health is paramount. Overall, its longevity is a significant selling point for this model.
What Technology & Safety Features are Included?
The 2011 Kawasaki KLX140-AF is fundamentally an off-road motorcycle designed for simplicity and trail performance, meaning it lacks the advanced technology, entertainment systems, driver-assistance features, and crash-test ratings typically found in automotive contexts.
Built-in Tech: The technology is basic, focusing on essential motorcycle functions. This includes a simple handlebar-mounted digital display that typically shows an odometer and trip meter. There are no advanced engine management systems, ride modes, or electronic aids. The ignition system is a straightforward Digital CDI, and the engine is carbureted for simplicity and ease of maintenance. The inclusion of an electric starter is a key convenience feature, a step up from pure kick-start-only bikes.
Entertainment: There are no entertainment features whatsoever. The focus is on the sensory experience of riding off-road.
Driver-Assistance: None. Off-road riding relies on rider skill, not electronic assistance. Features like ABS, traction control, or stability control are absent.
Safety Features: Safety on the KLX140-AF is primarily derived from its mechanical design and rider preparedness. The brakes are petal-style discs (front and rear), which offer good stopping power for its class. The knobby tires provide grip on various off-road surfaces. The overall design prioritizes maneuverability and a stable riding platform for trail conditions. Unlike street-legal motorcycles, it doesn't have integrated lighting systems or mirrors as standard equipment unless specified for dual-sport variants (which this specific model designation does not imply). Rider safety is heavily dependent on protective gear (helmet, boots, gloves, etc.) and responsible riding.
Optional Features: Options for this bike typically revolve around protection and customization rather than technology. This could include handguards, skid plates, aftermarket exhaust systems, different seat covers, or upgraded suspension components for more discerning riders.
Crash-Test Ratings: Off-road motorcycles do not undergo automotive-style crash testing or receive crash-test ratings. Their design focuses on durability and rider control in off-road environments, not occupant protection in a collision scenario as defined by NHTSA or Euro NCAP. The frame is built for the stresses of off-road use.
Built-in Tech: The technology is basic, focusing on essential motorcycle functions. This includes a simple handlebar-mounted digital display that typically shows an odometer and trip meter. There are no advanced engine management systems, ride modes, or electronic aids. The ignition system is a straightforward Digital CDI, and the engine is carbureted for simplicity and ease of maintenance. The inclusion of an electric starter is a key convenience feature, a step up from pure kick-start-only bikes.
Entertainment: There are no entertainment features whatsoever. The focus is on the sensory experience of riding off-road.
Driver-Assistance: None. Off-road riding relies on rider skill, not electronic assistance. Features like ABS, traction control, or stability control are absent.
Safety Features: Safety on the KLX140-AF is primarily derived from its mechanical design and rider preparedness. The brakes are petal-style discs (front and rear), which offer good stopping power for its class. The knobby tires provide grip on various off-road surfaces. The overall design prioritizes maneuverability and a stable riding platform for trail conditions. Unlike street-legal motorcycles, it doesn't have integrated lighting systems or mirrors as standard equipment unless specified for dual-sport variants (which this specific model designation does not imply). Rider safety is heavily dependent on protective gear (helmet, boots, gloves, etc.) and responsible riding.
Optional Features: Options for this bike typically revolve around protection and customization rather than technology. This could include handguards, skid plates, aftermarket exhaust systems, different seat covers, or upgraded suspension components for more discerning riders.
Crash-Test Ratings: Off-road motorcycles do not undergo automotive-style crash testing or receive crash-test ratings. Their design focuses on durability and rider control in off-road environments, not occupant protection in a collision scenario as defined by NHTSA or Euro NCAP. The frame is built for the stresses of off-road use.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2011 Kawasaki KLX140-AF Prices and Market Value
When new, the 2011 Kawasaki KLX140-AF typically retailed in the range of $3,000 to $3,500 USD, depending on the specific dealer and any minor variations. As a used vehicle, its pricing is highly dependent on condition, mileage, and location. Expect to find them generally ranging from $1,000 to $2,000 for models in fair to good condition. Pristine, low-mileage examples might fetch closer to $2,500. Depreciation has been moderate; these bikes hold their value reasonably well due to Kawasaki's reputation for reliability and the KLX line's popularity among beginners and casual riders. Factors significantly affecting resale value include: regular maintenance records, the presence of any modifications (stock is often preferred by many), overall cosmetic condition (scratches, dents), and the mechanical state of the engine and suspension. A well-maintained KLX140-AF is a sought-after used commodity in the entry-level off-road market.
2011 Kawasaki KLX140-AF Cost of Ownership
The 2011 Kawasaki KLX140-AF is exceptionally economical to own. Insurance costs are typically very low due to its classification as an off-road vehicle and its modest power output. Fuel costs are minimal, thanks to the efficient 138cc engine. Maintenance is straightforward and affordable; routine tasks like oil changes and air filter cleaning are inexpensive. Repair costs for common issues are also generally low, as parts are readily available and the bike is mechanically simple. Long-term ownership is characterized by low running costs, making it a cost-effective choice for aspiring dirt bike enthusiasts or those looking for a fun, affordable recreational machine.
2011 Kawasaki KLX140-AF 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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2011 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
2011 Kawasaki KLX140-AF Insurance
Insurance for a 2011 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 2011 Kawasaki KLX140-AF Compare to Other Motorcycle?
The 2011 Kawasaki KLX140-AF sits in the highly competitive entry-level off-road/trail bike segment. Its primary rivals include models like the Yamaha TT-R125LE, Honda CRF150F, and Suzuki DR-Z125L.
Performance: The KLX140-AF, with its 138cc engine, offers a good balance of power for its class, often feeling slightly peppier than the 125cc class bikes like the TT-R125LE and DR-Z125L, and comparable to the CRF150F. Its power delivery is generally smooth and manageable, ideal for learning. Suspension performance across these bikes is typically basic, designed for trail riding, though the KLX140-AF often offers decent travel.
Features: A significant advantage for the KLX140-AF is its electric start, a feature not always standard on all base models of its competitors in that era (e.g., the TT-R125LE had electric start, but the base TT-R125 did not). This adds considerable convenience. All these bikes share a similar minimalist approach to features, focusing on core dirt bike functionality. They all utilize carbureted engines and simple chassis designs.
Reliability: Kawasaki, Yamaha, and Honda all have stellar reputations for reliability in this segment. The KLX140-AF is known for being robust and dependable with proper maintenance. The Suzuki DR-Z125L is also very reliable. Long-term durability is a strong suit for all these Japanese brands.
Price: When new, prices were very similar across these models, typically in the $3,000-$3,500 range. In the used market, they also tend to hold similar values, with the KLX140-AF often being competitive.
Recommendations:
* Similar Alternatives: The Yamaha TT-R125LE is a very strong contender, also featuring electric start and renowned Yamaha reliability. The Honda CRF150F is another excellent option, offering a slightly larger engine that might provide a bit more grunt for heavier riders. The Suzuki DR-Z125L is a solid choice, though it often lacks electric start on many configurations.
* Better Alternatives (if budget allows/needs change): If a rider is progressing quickly or needs more power and a more advanced suspension, stepping up to a 250cc four-stroke like a Kawasaki KLX230, Yamaha TTR230, or Honda CRF250F would be the next logical step, though these are a significant jump in price and complexity. For pure playbikes, the KLX140-AF remains an outstanding value and a capable machine for its intended purpose.
Performance: The KLX140-AF, with its 138cc engine, offers a good balance of power for its class, often feeling slightly peppier than the 125cc class bikes like the TT-R125LE and DR-Z125L, and comparable to the CRF150F. Its power delivery is generally smooth and manageable, ideal for learning. Suspension performance across these bikes is typically basic, designed for trail riding, though the KLX140-AF often offers decent travel.
Features: A significant advantage for the KLX140-AF is its electric start, a feature not always standard on all base models of its competitors in that era (e.g., the TT-R125LE had electric start, but the base TT-R125 did not). This adds considerable convenience. All these bikes share a similar minimalist approach to features, focusing on core dirt bike functionality. They all utilize carbureted engines and simple chassis designs.
Reliability: Kawasaki, Yamaha, and Honda all have stellar reputations for reliability in this segment. The KLX140-AF is known for being robust and dependable with proper maintenance. The Suzuki DR-Z125L is also very reliable. Long-term durability is a strong suit for all these Japanese brands.
Price: When new, prices were very similar across these models, typically in the $3,000-$3,500 range. In the used market, they also tend to hold similar values, with the KLX140-AF often being competitive.
Recommendations:
* Similar Alternatives: The Yamaha TT-R125LE is a very strong contender, also featuring electric start and renowned Yamaha reliability. The Honda CRF150F is another excellent option, offering a slightly larger engine that might provide a bit more grunt for heavier riders. The Suzuki DR-Z125L is a solid choice, though it often lacks electric start on many configurations.
* Better Alternatives (if budget allows/needs change): If a rider is progressing quickly or needs more power and a more advanced suspension, stepping up to a 250cc four-stroke like a Kawasaki KLX230, Yamaha TTR230, or Honda CRF250F would be the next logical step, though these are a significant jump in price and complexity. For pure playbikes, the KLX140-AF remains an outstanding value and a capable machine for its intended purpose.
Final Verdict: Is the 2011 Kawasaki KLX140-AF a Good Motorcycle?
The 2011 Kawasaki KLX140-AF is an ideal choice for beginner to intermediate riders, particularly teenagers and smaller adults, looking for a capable and fun trail bike. Its approachable power, lightweight handling, and electric start make it confidence-inspiring and easy to manage. It is absolutely worth buying, especially on the used market, where it offers excellent value for money. Given its age, buying used is the only realistic option, and it's advisable to seek out well-maintained examples with service records. While specific trims are limited, focus on the overall condition. It's a durable, reliable, and economical machine that provides years of enjoyment for recreational trail riding, making it a smart purchase for anyone entering the off-road world or seeking a forgiving yet capable dirt bike.
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.