The 2004 Kawasaki KX100-D is a potent motocross dirt bike, part of Kawasaki's long-standing KX series renowned for performance. This particular model falls within a generation that solidified its reputation as a competitive machine for aspiring and experienced riders alike. It is a purebred competition bike, designed for off-road racing, not street legal. Its popularity stems from its aggressive power delivery and agile handling, making it a formidable choice on the track. Pricing for a used 2004 model typically ranges from $1,500 to $2,500 depending on condition and modifications.
The Good
The 2004 KX100-D offers thrilling performance with its peppy two-stroke engine. Its lightweight chassis and responsive suspension provide exceptional handling, igniting a rider's confidence. Practically, its established reputation suggests reasonable reliability for its class, offering good value for aspiring racers seeking a capable machine.
The Bad
Common weaknesses for the 2004 KX100-D include potential clutch wear due to its aggressive nature, and the need for regular carburetor tuning. Suspension components, while capable, may require servicing or upgrades for optimal performance on demanding tracks. Two-stroke engines demand diligent maintenance for longevity.
2004 Kawasaki KX100-D: Quick Overview
- Engine: 99cc liquid-cooled, two-stroke, single-cylinder
- Bore x Stroke: 52.5 x 45.8 mm
- Compression Ratio: 9.7:1
- Carburetion: Keihin PWK28
- Ignition: CDI
- Transmission: 6-speed, wet multi-disc clutch
- Horsepower: Approximately 26-28 HP (estimated, actual figures vary with tuning and conditions)
- Fuel Economy: Not applicable/relevant for a motocross bike; focus is on power delivery, not mpg.
- 0-60 Times: Not applicable/relevant for a motocross bike. Performance is measured in lap times and jump distances.
- Towing Capacity: Not applicable. This is a recreational off-road vehicle.
- Frame: High-tensile steel semi-double cradle
- Front Suspension: 36mm inverted cartridge fork with 20-way compression and rebound damping, 10.8 inches of travel
- Rear Suspension: Uni-Trak with adjustable spring preload, stepless rebound and 4-way compression damping, 10.8 inches of travel
- Front Tire: 70/100-19
- Rear Tire: 90/100-16
- Front Brakes: Hydraulic disc
- Rear Brakes: Hydraulic disc
- Ground Clearance: 13.0 inches
- Seat Height: 32.7 inches
- Wheelbase: 51.2 inches
- Fuel Capacity: 1.6 US gallons
- Dry Weight: Approximately 176.4 lbs
- Trim-Level Features: The 2004 Kawasaki KX100-D typically came in a single, performance-oriented trim. Key features included its powerful liquid-cooled two-stroke engine, advanced suspension components offering ample adjustability for different rider preferences and track conditions, strong disc brakes front and rear for confident stopping power, and a lightweight, durable chassis designed for aggressive riding and handling. Alloy wheels and a high-tensile steel frame are standard. There were no significant optional packages or distinct trim levels offered for this model year, as it was geared towards competition out of the box.
2004 Kawasaki KX100-D Specifications
Vehicle Information
| Year | 2004 |
| Make | Kawasaki |
| Model | KX100-D |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | AKASHI |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 100CC |
| Engine Size | 100L |
| Engine Cylinders | 1 |
| 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 2004 Kawasaki KX100-D Have?
The 2004 Kawasaki KX100-D, like many performance-oriented two-stroke dirt bikes of its era, is generally considered reliable when properly maintained. However, certain common issues can arise with age and use. One frequently reported concern involves the clutch, which can experience premature wear if subjected to frequent hard use or improper adjustment. Owners often recommend using high-quality clutch plates and ensuring proper lubrication.
The two-stroke engine, while potent, requires diligent maintenance. This includes regular top-end rebuilds (piston and rings) as per recommended service intervals to maintain optimal compression and performance. Neglecting this can lead to a loss of power and potential internal damage over time. Carburetor issues, such as clogging or difficulty in maintaining consistent jetting, can also be reported, especially if the bike is not regularly cleaned and serviced, or if fuel quality varies.
Suspension components, including fork seals and shock seals, can degrade over time, leading to oil leaks and a loss of damping. Regular servicing of the forks and shock is crucial for maintaining handling and preventing costly repairs. Chain and sprockets are wear items that need frequent inspection and replacement.
Kawasaki generally has a good reputation for reliability in their KX line, and the 2004 KX100-D is no exception when treated with care. Recalls are uncommon for this model as it is a competition bike, but any manufacturer recalls would typically be related to safety-critical components, though none are widely reported for this specific model year that significantly impacts its overall reputation. Long-term reliability hinges heavily on the owner's maintenance habits. A well-maintained KX100-D can last for many years of riding, whereas a neglected one can quickly become a money pit. Model year specific widespread issues are not prominently documented for the 2004 KX100-D, with concerns generally falling into the category of standard wear and tear for a performance dirt bike.
The two-stroke engine, while potent, requires diligent maintenance. This includes regular top-end rebuilds (piston and rings) as per recommended service intervals to maintain optimal compression and performance. Neglecting this can lead to a loss of power and potential internal damage over time. Carburetor issues, such as clogging or difficulty in maintaining consistent jetting, can also be reported, especially if the bike is not regularly cleaned and serviced, or if fuel quality varies.
Suspension components, including fork seals and shock seals, can degrade over time, leading to oil leaks and a loss of damping. Regular servicing of the forks and shock is crucial for maintaining handling and preventing costly repairs. Chain and sprockets are wear items that need frequent inspection and replacement.
Kawasaki generally has a good reputation for reliability in their KX line, and the 2004 KX100-D is no exception when treated with care. Recalls are uncommon for this model as it is a competition bike, but any manufacturer recalls would typically be related to safety-critical components, though none are widely reported for this specific model year that significantly impacts its overall reputation. Long-term reliability hinges heavily on the owner's maintenance habits. A well-maintained KX100-D can last for many years of riding, whereas a neglected one can quickly become a money pit. Model year specific widespread issues are not prominently documented for the 2004 KX100-D, with concerns generally falling into the category of standard wear and tear for a performance dirt bike.
How long will the 2004 Kawasaki KX100-D last?
Estimating average mileage for a 2004 Kawasaki KX100-D is challenging, as these bikes are typically measured in operating hours rather than miles. However, a recreational rider might accumulate 50-100 hours of use per year, while a more dedicated racer could easily put in 150-200+ hours annually. The lifespan of a KX100-D is highly dependent on maintenance. With diligent adherence to a two-stroke maintenance schedule – including regular top-end rebuilds (piston and rings every 50-100 hours, depending on riding intensity), gearbox oil changes, and suspension servicing – the engine cases and crankshaft can endure for hundreds of hours.
Weaknesses that emerge over time often relate to wear items. The clutch will eventually need replacement. Suspension components, if not serviced, will lose their damping capabilities and may require seal replacements or full rebuilds. Frame integrity is generally good, but impacts from hard landings or crashes can lead to fatigue cracks over many years. Proper care is paramount for maximizing its long-term durability.
Weaknesses that emerge over time often relate to wear items. The clutch will eventually need replacement. Suspension components, if not serviced, will lose their damping capabilities and may require seal replacements or full rebuilds. Frame integrity is generally good, but impacts from hard landings or crashes can lead to fatigue cracks over many years. Proper care is paramount for maximizing its long-term durability.
What Technology & Safety Features are Included?
The 2004 Kawasaki KX100-D is a purebred motocross machine, and as such, it prioritizes performance and rider control over creature comforts and advanced technology. It does not feature any built-in tech in the conventional automotive sense, such as infotainment systems, navigation, or smartphone integration. Similarly, there is no entertainment system or electronic aids like cruise control or parking sensors.
Driver-assistance features are non-existent. The bike relies entirely on the rider's skill and input. There are no electronic stability control, traction control, or anti-lock braking systems (ABS) integrated into this model. Safety features are limited to the fundamental mechanical components designed for off-road riding. This includes robust hydraulic disc brakes at both the front and rear wheels, providing essential stopping power for demanding track conditions. The chassis is engineered for strength and durability to withstand the rigors of racing. Suspension systems are designed to absorb impacts and maintain rider control over varied terrain.
Optional features would typically be limited to aftermarket performance parts or protective gear. These could include different exhaust systems for enhanced power, upgraded suspension components for specific rider weights or preferences, aftermarket handlebars, different tire compounds for varying track conditions, or protective elements like skid plates and handguards.
Crash-test ratings are not applicable to motocross bikes. These vehicles are not subjected to standardized crash testing like passenger cars or trucks. The focus in their design is on rider protection through the protective gear worn by the rider (helmet, goggles, jersey, pants, boots, gloves) and the inherent structural integrity of the motorcycle itself to withstand riding stresses and impacts. The 2004 KX100-D represents a minimalist approach, where rider engagement and mechanical feedback are paramount.
Driver-assistance features are non-existent. The bike relies entirely on the rider's skill and input. There are no electronic stability control, traction control, or anti-lock braking systems (ABS) integrated into this model. Safety features are limited to the fundamental mechanical components designed for off-road riding. This includes robust hydraulic disc brakes at both the front and rear wheels, providing essential stopping power for demanding track conditions. The chassis is engineered for strength and durability to withstand the rigors of racing. Suspension systems are designed to absorb impacts and maintain rider control over varied terrain.
Optional features would typically be limited to aftermarket performance parts or protective gear. These could include different exhaust systems for enhanced power, upgraded suspension components for specific rider weights or preferences, aftermarket handlebars, different tire compounds for varying track conditions, or protective elements like skid plates and handguards.
Crash-test ratings are not applicable to motocross bikes. These vehicles are not subjected to standardized crash testing like passenger cars or trucks. The focus in their design is on rider protection through the protective gear worn by the rider (helmet, goggles, jersey, pants, boots, gloves) and the inherent structural integrity of the motorcycle itself to withstand riding stresses and impacts. The 2004 KX100-D represents a minimalist approach, where rider engagement and mechanical feedback are paramount.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2004 Kawasaki KX100-D Prices and Market Value
When new, the 2004 Kawasaki KX100-D would have retailed for approximately $3,700 to $4,000 USD, depending on dealer pricing and any regional variations. As a used vehicle, current market prices for a 2004 KX100-D typically range from $1,500 to $2,500. This price is heavily influenced by the bike's condition, including the state of the engine, suspension, plastics, and any modifications.
Depreciation on motocross bikes is generally steeper initially compared to street bikes, as they are primarily used for sport and are subject to wear and tear. However, the KX100-D has achieved a certain level of classic status within its niche, which helps stabilize its used market value. Factors affecting resale value include: meticulous maintenance records, the presence of desirable aftermarket performance upgrades (if installed correctly), the overall aesthetic condition (cleanliness, lack of major damage), and whether the bike has been raced extensively or used more casually. A well-preserved, low-hour 2004 KX100-D in excellent original condition will command a higher price than a heavily used and modified example.
Depreciation on motocross bikes is generally steeper initially compared to street bikes, as they are primarily used for sport and are subject to wear and tear. However, the KX100-D has achieved a certain level of classic status within its niche, which helps stabilize its used market value. Factors affecting resale value include: meticulous maintenance records, the presence of desirable aftermarket performance upgrades (if installed correctly), the overall aesthetic condition (cleanliness, lack of major damage), and whether the bike has been raced extensively or used more casually. A well-preserved, low-hour 2004 KX100-D in excellent original condition will command a higher price than a heavily used and modified example.
2004 Kawasaki KX100-D Cost of Ownership
Owning a 2004 Kawasaki KX100-D involves specific costs. Insurance is typically minimal as it's an off-road-only vehicle and not usually registered for street use, though some policies may cover it for theft or damage while stored. Fuel costs are related to its two-stroke engine, requiring a mix of gasoline and two-stroke oil, which can add up with frequent riding. Maintenance is a significant ongoing expense; regular oil changes, air filter cleaning, chain maintenance, and periodic top-end rebuilds are essential and contribute to its cost. Repairs, especially if components fail due to hard use or neglect, can be substantial. Overall, while not prohibitively expensive compared to high-end street bikes, the KX100-D is not an economical vehicle to own due to its performance-oriented nature and the inherent costs of two-stroke maintenance and potential repairs.
2004 Kawasaki KX100-D Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2004 Kawasaki KX100-D 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
2004 Kawasaki KX100-D Insurance
Insurance for a 2004 Kawasaki KX100-D is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2004 Kawasaki KX100-D Compare to Other Motorcycle?
The 2004 Kawasaki KX100-D competes primarily in the 100cc-125cc class of competitive motocross bikes, often serving as a bridge between the mini-bike classes and full-sized racing machines. Key rivals from the same era include the Yamaha YZ100/YZ125, Honda CR100/CR125, and Suzuki RM100/RM125.
Performance: The KX100-D is known for its strong mid-range and top-end power delivery, making it a potent performer on the track. Yamaha's YZ models are often praised for their smooth powerbands and handling. Honda's CRs have historically been revered for their nimble chassis and rider-friendly ergonomics. Suzuki's RMs often offer a good balance of power and handling. In terms of raw power, the KX100-D is highly competitive within its displacement.
Features: For 2004, most bikes in this class offered similar mechanical features: liquid-cooled two-stroke engines, adjustable suspension (inverted forks, monoshock rear), disc brakes, and 6-speed transmissions. The KX100-D generally kept pace with its contemporaries in terms of technological offerings for a competition bike of its time. None of these bikes offered significant electronic rider aids.
Reliability: All performance motocross bikes require diligent maintenance. Kawasaki, Yamaha, Honda, and Suzuki all have reputations for producing robust engines and chassis, but longevity depends heavily on the owner's commitment to regular servicing, especially top-end rebuilds for two-strokes. No single brand consistently stands out as dramatically more reliable than the others in this class if properly maintained.
Price: When new, these bikes were similarly priced. On the used market, the 2004 KX100-D typically falls within a comparable range to its rivals, often between $1,500-$2,500 depending on condition.
Recommendations: If seeking a similar alternative with a focus on a slightly different power delivery or feel, a Yamaha YZ100/YZ125 or a Honda CR100/CR125 would be comparable. For riders who may prefer a slightly larger bike that still offers a manageable powerband, a 125cc model from any of these manufacturers would be a step up. However, if the goal is a capable and engaging 100cc motocross experience, the 2004 KX100-D remains a solid choice, especially if found in good condition at a fair price. It's more about rider preference and specific bike condition than a clear 'better' alternative in this competitive segment.
Performance: The KX100-D is known for its strong mid-range and top-end power delivery, making it a potent performer on the track. Yamaha's YZ models are often praised for their smooth powerbands and handling. Honda's CRs have historically been revered for their nimble chassis and rider-friendly ergonomics. Suzuki's RMs often offer a good balance of power and handling. In terms of raw power, the KX100-D is highly competitive within its displacement.
Features: For 2004, most bikes in this class offered similar mechanical features: liquid-cooled two-stroke engines, adjustable suspension (inverted forks, monoshock rear), disc brakes, and 6-speed transmissions. The KX100-D generally kept pace with its contemporaries in terms of technological offerings for a competition bike of its time. None of these bikes offered significant electronic rider aids.
Reliability: All performance motocross bikes require diligent maintenance. Kawasaki, Yamaha, Honda, and Suzuki all have reputations for producing robust engines and chassis, but longevity depends heavily on the owner's commitment to regular servicing, especially top-end rebuilds for two-strokes. No single brand consistently stands out as dramatically more reliable than the others in this class if properly maintained.
Price: When new, these bikes were similarly priced. On the used market, the 2004 KX100-D typically falls within a comparable range to its rivals, often between $1,500-$2,500 depending on condition.
Recommendations: If seeking a similar alternative with a focus on a slightly different power delivery or feel, a Yamaha YZ100/YZ125 or a Honda CR100/CR125 would be comparable. For riders who may prefer a slightly larger bike that still offers a manageable powerband, a 125cc model from any of these manufacturers would be a step up. However, if the goal is a capable and engaging 100cc motocross experience, the 2004 KX100-D remains a solid choice, especially if found in good condition at a fair price. It's more about rider preference and specific bike condition than a clear 'better' alternative in this competitive segment.
Final Verdict: Is the 2004 Kawasaki KX100-D a Good Motorcycle?
The 2004 Kawasaki KX100-D is ideally suited for intermediate to advanced young riders looking to step up from mini-bikes into a more competitive class, or for smaller, lighter adults seeking a lightweight and agile motocross machine. It's a purpose-built competition bike that excels on the track.
It is worth buying, especially on the used market, for riders who understand the demands of a two-stroke motocross bike. A well-maintained KX100-D offers exciting performance and a great learning platform for honing riding skills. Buyers should prioritize condition and maintenance history above all else. A bike with recent top-end work, well-serviced suspension, and clean plastics will offer better value and fewer immediate repair costs. This model is not suitable for beginners due to its potent power delivery and competitive nature, nor is it street-legal. Buying used is the only realistic option for this model year.
It is worth buying, especially on the used market, for riders who understand the demands of a two-stroke motocross bike. A well-maintained KX100-D offers exciting performance and a great learning platform for honing riding skills. Buyers should prioritize condition and maintenance history above all else. A bike with recent top-end work, well-serviced suspension, and clean plastics will offer better value and fewer immediate repair costs. This model is not suitable for beginners due to its potent power delivery and competitive nature, nor is it street-legal. Buying used is the only realistic option for this model year.
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.