The 2004 Yamaha TT-R125 is a popular beginner-friendly dirt bike. Part of Yamaha's long-running TT-R line, it debuted in 2000 and continued through many model years. Key trims often include the standard TT-R125 and the TT-R125L (larger wheels and longer suspension). New pricing when released was typically in the $2,500-$2,800 range. Its popularity stems from its approachable power, ease of use, and Yamaha's reputation for reliability, making it a staple for young riders and casual trail enthusiasts.
The Good
The 2004 Yamaha TT-R125 excels with its dependable air-cooled engine offering manageable power for learning. Its robust build ensures reliability, while its user-friendly design and comfortable riding position build confidence. This bike provides exceptional value, delivering fun and capability without breaking the bank.
The Bad
Potential weaknesses for the 2004 Yamaha TT-R125 include its relatively basic suspension, which might struggle with aggressive riding or larger jumps. The clutch can be a wear item if abused, and older models may show signs of normal off-road wear and tear. Carburetor tuning might be necessary on neglected units.
2004 Yamaha TT-R125: Quick Overview
- Engine: 124cc, air-cooled, SOHC, 4-stroke
- Horsepower: Approximately 9-10 hp (estimated)
- Fuel Economy: Not officially rated for dirt bikes, but generally good due to the small engine. Expect hundreds of miles per tank on average rides.
- 0-60 mph: Not applicable for off-road motorcycles; focus is on acceleration and trail performance.
- Towing Capacity: Not applicable.
- Transmission: 5-speed manual clutch
- Suspension (Front): Telescopic fork
- Suspension (Rear): Monocross swingarm
- Brakes (Front): Drum brake (standard), Disc brake (TT-R125L)
- Brakes (Rear): Drum brake
- Tires: Off-road knobby tires. Typical sizes: Front 70/100-17 or 19, Rear 90/100-14 or 16 depending on trim.
- Fuel Capacity: Approximately 1.6 gallons (6.0 liters)
- Seat Height: Standard: ~31.7 inches (805 mm), L: ~33.5 inches (850 mm)
- Dry Weight: Approximately 210 lbs (95 kg)
- Key Trims & Features:
- TT-R125: Standard model, typically featuring 17-inch front wheel and 14-inch rear wheel, drum brakes front and rear. Designed for younger or smaller riders.
- TT-R125L (Large): Features larger wheels (19-inch front, 16-inch rear) for better obstacle clearance and smoother riding over terrain, longer travel suspension for improved capability, and a front disc brake for enhanced stopping power. Aimed at slightly more experienced riders or those wanting more performance.
- Frame: Steel diamond frame
- Exhaust: Single exhaust
2004 Yamaha TT-R125 Specifications
Vehicle Information
| Year | 2004 |
| Make | Yamaha |
| Model | TT-R125 |
| Trim | - |
| Style | - |
| Type | Motorcycle |
| Category | Motorcycle |
Manufacturing Details
| Made In | Japan |
| Manufacturing City | HAMAMATSU |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 125CC |
| Engine Size | 125L |
| 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 Yamaha TT-R125 Have?
The 2004 Yamaha TT-R125 is generally known for its robust reliability, a hallmark of Yamaha's 4-stroke off-road machines. However, as with any off-road motorcycle, especially those used by beginner or younger riders, certain components can experience wear or require attention over time.
Frequently reported issues, while not widespread defects, tend to revolve around normal wear and tear. The clutch is a common area for increased wear, particularly if the bike has been subjected to frequent aggressive riding, improper clutch use (like excessive slipping), or if the rider is heavy. This can lead to a feeling of clutch slippage or require more frequent adjustment and eventual replacement of clutch plates.
The carburetor, a standard Keihin CVK unit, can sometimes become gummed up or clogged with debris if the bike sits for extended periods without being run or if fuel is left in it. This can lead to hard starting, poor idling, or a lack of power. Regular cleaning and proper fuel storage practices mitigate this.
Suspension components, while durable, may require servicing. Fork seals can eventually wear and leak, and the rear shock absorber's performance might degrade over many years of use, potentially requiring a rebuild or replacement.
Brake components, especially the drum brakes found on some models, can require adjustment and cleaning to maintain optimal performance. If the 2004 model has the front disc brake, this is generally more effective but still requires pad replacement and occasional caliper cleaning.
There are no widely documented recalls specifically for the 2004 Yamaha TT-R125 that indicate a significant manufacturing defect. The long-term reliability of the TT-R125 is excellent, provided it receives regular maintenance such as oil changes, air filter cleaning/replacement, chain lubrication, and proper valve adjustments. These bikes are built to last and are often passed down to multiple riders with proper care. Neglect, however, is the primary enemy of any mechanical device, and a poorly maintained TT-R125 will inevitably develop issues.
Frequently reported issues, while not widespread defects, tend to revolve around normal wear and tear. The clutch is a common area for increased wear, particularly if the bike has been subjected to frequent aggressive riding, improper clutch use (like excessive slipping), or if the rider is heavy. This can lead to a feeling of clutch slippage or require more frequent adjustment and eventual replacement of clutch plates.
The carburetor, a standard Keihin CVK unit, can sometimes become gummed up or clogged with debris if the bike sits for extended periods without being run or if fuel is left in it. This can lead to hard starting, poor idling, or a lack of power. Regular cleaning and proper fuel storage practices mitigate this.
Suspension components, while durable, may require servicing. Fork seals can eventually wear and leak, and the rear shock absorber's performance might degrade over many years of use, potentially requiring a rebuild or replacement.
Brake components, especially the drum brakes found on some models, can require adjustment and cleaning to maintain optimal performance. If the 2004 model has the front disc brake, this is generally more effective but still requires pad replacement and occasional caliper cleaning.
There are no widely documented recalls specifically for the 2004 Yamaha TT-R125 that indicate a significant manufacturing defect. The long-term reliability of the TT-R125 is excellent, provided it receives regular maintenance such as oil changes, air filter cleaning/replacement, chain lubrication, and proper valve adjustments. These bikes are built to last and are often passed down to multiple riders with proper care. Neglect, however, is the primary enemy of any mechanical device, and a poorly maintained TT-R125 will inevitably develop issues.
How long will the 2004 Yamaha TT-R125 last?
Estimating average mileage for an off-road motorcycle like the 2004 Yamaha TT-R125 is challenging as they are often measured in operating hours or simply "ridden until parts wear out." However, with diligent maintenance, owners commonly report these bikes providing 10-15 years of service or more, accumulating thousands of hours of recreational use.
The long-term durability of the TT-R125's 124cc engine is exceptional. Its simple, air-cooled design with a 4-stroke configuration is inherently robust. Weaknesses that emerge over extended periods are almost exclusively related to wear and tear from riding and lack of maintenance, rather than inherent design flaws. These include eventual clutch wear, potential fork seal leaks, shock absorber degradation, and typical chain/sprocket wear.
With regular oil changes, air filter cleaning, and chain adjustments, a TT-R125 can remain a reliable and enjoyable machine for well over a decade. Owners who are meticulous about maintenance can often keep them running strong with only replacement of consumables and occasional bearing or seal replacements.
The long-term durability of the TT-R125's 124cc engine is exceptional. Its simple, air-cooled design with a 4-stroke configuration is inherently robust. Weaknesses that emerge over extended periods are almost exclusively related to wear and tear from riding and lack of maintenance, rather than inherent design flaws. These include eventual clutch wear, potential fork seal leaks, shock absorber degradation, and typical chain/sprocket wear.
With regular oil changes, air filter cleaning, and chain adjustments, a TT-R125 can remain a reliable and enjoyable machine for well over a decade. Owners who are meticulous about maintenance can often keep them running strong with only replacement of consumables and occasional bearing or seal replacements.
What Technology & Safety Features are Included?
The 2004 Yamaha TT-R125, being a dedicated off-road motorcycle designed for trail riding and beginner use, features a minimalist approach to technology, entertainment, and advanced safety systems.
Technology: The primary technology onboard is the internal combustion engine itself, governed by a simple carburetor. There is no electronic fuel injection, digital instrumentation, or rider aids. The dashboard typically consists of a basic odometer and perhaps an hour meter, if fitted as an aftermarket accessory. The ignition system is a standard kick-start with an electronic CDI ignition.
Entertainment: Entertainment is purely derived from the riding experience itself – the thrill of navigating trails, the sound of the engine, and the connection with the terrain. There are no built-in audio systems, connectivity features, or screens.
Driver-Assistance: As an off-road motorcycle, the concept of "driver assistance" in the automotive sense does not apply. Features like ABS, traction control, or stability control are entirely absent. The rider is solely responsible for controlling the machine.
Safety Features: Safety features are rudimentary and focus on the mechanical aspects of the bike and rider protection through equipment. The brakes (drum front/rear on standard, disc front on L) are the primary active safety feature, designed for controlled stopping. Lighting is typically minimal or absent, as these bikes are primarily used in daylight off-road conditions, though some may have a basic headlight and taillight if street-legal conversions were performed. Passive safety is entirely dependent on the rider wearing appropriate protective gear, such as a helmet, gloves, boots, and body armor.
Optional Features: Optional features commonly added by owners include upgraded suspension components, aftermarket exhaust systems for slightly more power or better sound, skid plates for frame and engine protection, handguards, different tire combinations, and sometimes aftermarket graphics kits for personalization. Some might opt for hand-operated lights or a small battery if they intend to use the bike in low-light conditions or for occasional street-legal use (where permitted and equipped with necessary components).
Crash-Test Ratings: Motorcycles, especially dirt bikes not intended for street use, do not undergo standardized crash-test ratings in the same way as passenger vehicles. Their design prioritizes off-road performance, handling, and durability over crashworthiness in formal testing protocols.
Technology: The primary technology onboard is the internal combustion engine itself, governed by a simple carburetor. There is no electronic fuel injection, digital instrumentation, or rider aids. The dashboard typically consists of a basic odometer and perhaps an hour meter, if fitted as an aftermarket accessory. The ignition system is a standard kick-start with an electronic CDI ignition.
Entertainment: Entertainment is purely derived from the riding experience itself – the thrill of navigating trails, the sound of the engine, and the connection with the terrain. There are no built-in audio systems, connectivity features, or screens.
Driver-Assistance: As an off-road motorcycle, the concept of "driver assistance" in the automotive sense does not apply. Features like ABS, traction control, or stability control are entirely absent. The rider is solely responsible for controlling the machine.
Safety Features: Safety features are rudimentary and focus on the mechanical aspects of the bike and rider protection through equipment. The brakes (drum front/rear on standard, disc front on L) are the primary active safety feature, designed for controlled stopping. Lighting is typically minimal or absent, as these bikes are primarily used in daylight off-road conditions, though some may have a basic headlight and taillight if street-legal conversions were performed. Passive safety is entirely dependent on the rider wearing appropriate protective gear, such as a helmet, gloves, boots, and body armor.
Optional Features: Optional features commonly added by owners include upgraded suspension components, aftermarket exhaust systems for slightly more power or better sound, skid plates for frame and engine protection, handguards, different tire combinations, and sometimes aftermarket graphics kits for personalization. Some might opt for hand-operated lights or a small battery if they intend to use the bike in low-light conditions or for occasional street-legal use (where permitted and equipped with necessary components).
Crash-Test Ratings: Motorcycles, especially dirt bikes not intended for street use, do not undergo standardized crash-test ratings in the same way as passenger vehicles. Their design prioritizes off-road performance, handling, and durability over crashworthiness in formal testing protocols.
What Colors Options are Available?
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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.
2004 Yamaha TT-R125 Prices and Market Value
When new, the 2004 Yamaha TT-R125 typically retailed between $2,500 and $2,800 USD, depending on the specific trim (standard vs. TT-R125L). The current used market prices for a 2004 Yamaha TT-R125 can vary significantly, generally ranging from $700 to $1,500. Factors influencing this range include the bike's overall condition, mileage (or hours ridden), maintenance history, the presence of aftermarket modifications, and whether it's the standard or L model (the L model usually commands a higher price).
Depreciation is relatively steep in the first few years, but the TT-R125 holds its value reasonably well thereafter due to its reputation for reliability and its appeal as a beginner bike. Well-maintained examples, especially those with low hours or mileage and original components, will always fetch a higher resale value. Conversely, bikes that have been thrashed, poorly maintained, or heavily modified with questionable parts will be at the lower end of the price spectrum or may struggle to sell.
Depreciation is relatively steep in the first few years, but the TT-R125 holds its value reasonably well thereafter due to its reputation for reliability and its appeal as a beginner bike. Well-maintained examples, especially those with low hours or mileage and original components, will always fetch a higher resale value. Conversely, bikes that have been thrashed, poorly maintained, or heavily modified with questionable parts will be at the lower end of the price spectrum or may struggle to sell.
2004 Yamaha TT-R125 Cost of Ownership
The 2004 Yamaha TT-R125 is exceptionally economical to own. Insurance is generally very low, often negligible if you don't have specific dirt bike coverage or if it's considered a recreational off-road-only vehicle without liability. Fuel costs are minimal due to its small, efficient engine; a full tank lasts for many hours of riding. Maintenance costs are low, primarily involving oil changes, chain lubrication, air filter cleaning, and occasional tire or brake pad replacements. Repairs are generally straightforward and affordable, with parts readily available and many owners performing their own maintenance. It is a very cost-effective motorcycle to own and operate.
2004 Yamaha TT-R125 Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2004 Yamaha TT-R125 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 Yamaha TT-R125 Insurance
Insurance for a 2004 Yamaha TT-R125 is moderately priced, reflecting its status as a Motorcycle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2004 Yamaha TT-R125 Compare to Other Motorcycle?
The 2004 Yamaha TT-R125 competes in the highly popular entry-level to intermediate dirt bike segment, primarily against models like the Honda CRF125F (though the CRF125F model line evolved differently, older CR125 models are contemporaries) and Kawasaki KLX125/KLX140.
Performance: In terms of raw performance, the TT-R125 offers a predictable and manageable power delivery, making it excellent for learning. Its air-cooled 4-stroke engine is less powerful than some of its liquid-cooled 2-stroke contemporaries or newer, more potent 125cc 4-strokes. However, for its intended purpose, the performance is adequate and confidence-inspiring. The TT-R125L's larger wheels and slightly longer suspension offer a marginal advantage in rough terrain compared to its standard sibling and some base-model competitors.
Features: The TT-R125 is generally quite basic in terms of features. It often lacks a front disc brake on the standard model and relies on drum brakes, which are less effective than disc setups. Suspension travel is typically less than more performance-oriented bikes. Rivals like the Kawasaki KLX140 might offer slightly more modern features or a bit more suspension travel out of the box.
Reliability: Yamaha's reputation for bulletproof reliability is a significant strong suit for the TT-R125. Its simple air-cooled 4-stroke engine is known to be incredibly durable and low-maintenance compared to more complex, liquid-cooled, or 2-stroke engines. In this regard, the TT-R125 often surpasses many competitors in long-term dependability with proper care.
Price: When new, pricing was competitive. On the used market, the TT-R125 offers excellent value for money. Its robust build and reliable nature mean that even older models can provide years of service without exorbitant repair costs, often making it a more sensible purchase than a less reliable or more complex used competitor.
Alternatives:
Performance: In terms of raw performance, the TT-R125 offers a predictable and manageable power delivery, making it excellent for learning. Its air-cooled 4-stroke engine is less powerful than some of its liquid-cooled 2-stroke contemporaries or newer, more potent 125cc 4-strokes. However, for its intended purpose, the performance is adequate and confidence-inspiring. The TT-R125L's larger wheels and slightly longer suspension offer a marginal advantage in rough terrain compared to its standard sibling and some base-model competitors.
Features: The TT-R125 is generally quite basic in terms of features. It often lacks a front disc brake on the standard model and relies on drum brakes, which are less effective than disc setups. Suspension travel is typically less than more performance-oriented bikes. Rivals like the Kawasaki KLX140 might offer slightly more modern features or a bit more suspension travel out of the box.
Reliability: Yamaha's reputation for bulletproof reliability is a significant strong suit for the TT-R125. Its simple air-cooled 4-stroke engine is known to be incredibly durable and low-maintenance compared to more complex, liquid-cooled, or 2-stroke engines. In this regard, the TT-R125 often surpasses many competitors in long-term dependability with proper care.
Price: When new, pricing was competitive. On the used market, the TT-R125 offers excellent value for money. Its robust build and reliable nature mean that even older models can provide years of service without exorbitant repair costs, often making it a more sensible purchase than a less reliable or more complex used competitor.
Alternatives:
- Honda CRF125F (or older CR/XR100/125): Honda's offerings are also very reliable and user-friendly. The CRF125F, as it evolved, offers similar ease of use. Older XR models are known for their bomb-proof nature.
- Kawasaki KLX125/KLX140: The KLX140, in particular, often provides a bit more suspension travel and a slightly more powerful engine than the TT-R125, making it a good step-up option or alternative for riders wanting a little more capability.
- KTM 125 SX/EXC (used): If seeking more performance and advanced features, a used KTM 125 two-stroke from this era would offer significantly more power and better suspension but at a higher purchase price and maintenance cost.
Final Verdict: Is the 2004 Yamaha TT-R125 a Good Motorcycle?
The 2004 Yamaha TT-R125 is ideally suited for novice riders, children learning to ride off-road, or smaller adults seeking a manageable and fun trail bike. Its approachable power, lightweight handling, and legendary Yamaha reliability make it an excellent platform for developing riding skills without intimidation.
It is absolutely worth buying, particularly on the used market, provided it has been reasonably maintained. A used TT-R125 offers exceptional value for its price.
Conditions for purchase:
It is absolutely worth buying, particularly on the used market, provided it has been reasonably maintained. A used TT-R125 offers exceptional value for its price.
Conditions for purchase:
- Used: Highly recommended. Look for bikes with a documented maintenance history or those that appear well cared for. Be wary of bikes that show signs of abuse or neglect.
- New: Unlikely to find new models of this specific year, but if available, it would be a great choice for absolute beginners.
- Trims: The TT-R125L (Large) is often preferred for its slightly better suspension and larger wheels, which provide a more comfortable ride over varied terrain and better clearance. However, the standard TT-R125 is perfectly adequate for younger or very small riders.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.