DT 3J0-85540-20-00 Cdi Igniter

( Brand: Dt ), ( Manufacturer Part Number: 3J0-85540-20-00 ), ( Part Type: Igniter ), ( Color: Black ), ( Compatible Model: Dt125, Dt 125 ), ( Material: Plastic, Stainless Steel ), ( Vintage Part: Yes ), ( Placement On Vehicle: Right, Left, Front, Rear, Front Wheel, Rear Wheel ), ( Compatible Year: 1981, 1980 ), ( Country Of Origin: Japan )

Review DT Yamaha Oem Cdi Igniter fits DT125 1980–1981

The **Yamaha DT125 CDI Igniter (Part Number: DT3J0-85540-20-00, Model Years: 1980 1981)** is a precision-engineered ignition component designed exclusively for Yamaha s iconic DT125 dual-sport motorcycle, a legendary machine celebrated for its rugged reliability and adaptability across diverse terrains. This igniter serves as the heart of the bike s electrical ignition system, playing a critical role in generating the high-voltage spark necessary to ignite the air-fuel mixture in the cylinder, ensuring smooth and efficient combustion. Crafted with Yamaha s signature attention to detail, the DT3J0-85540-20-00 igniter is built to withstand the demands of off-road adventures, from dusty trails to rough urban commutes, while maintaining optimal performance under varying conditions. The unit features a robust, corrosion-resistant construction, with high-quality internal components that include a reliable pick-up coil and a durable ignition module, all housed in a compact yet durable casing. This igniter is specifically engineered to work seamlessly with the DT125 s CDI (Capacitor Discharge Ignition) system, delivering a precise and powerful spark even at high engine speeds, which is essential for the bike s sporty handling and responsive throttle response. Whether you re restoring a classic DT125 to its original glory or upgrading an existing system for improved reliability, this igniter is a direct-fit replacement that guarantees compatibility and longevity. Its straightforward installation and minimal maintenance requirements make it an ideal choice for both seasoned mechanics and DIY enthusiasts looking to preserve the timeless performance of their Yamaha dual-sport. With its blend of durability, precision engineering, and Yamaha s reputation for quality, this igniter is a vital component for anyone seeking to maintain or enhance the driving experience of their 1980 1981 DT125.

### **Pros and Cons of Buying a Yamaha DT125 (1980-1981) with DT3J0-85540-20-00 CDI Igniter**

#### **Pros**

1. **Classic and Reliable Design** The Yamaha DT125 is a well-regarded dual-sport motorcycle known for its simplicity, durability, and off-road capability. It was designed for both on-road and off-road use, making it versatile for various riding conditions.

2. **Proven Engine and Performance** The 125cc single-cylinder air-cooled engine is robust and efficient, capable of handling light trail riding, commuting, and even light off-roading. It requires minimal maintenance compared to modern high-performance bikes.

3. **Affordability** Older Yamaha DT125s are relatively inexpensive to purchase, especially in good condition. Parts are also widely available due to the bike s popularity and longevity.

4. **CDI Ignition System (DT3J0-85540-20-00)** The CDI (Capacitor Discharge Ignition) system improves reliability over older points-based ignition setups. It provides smoother starting and better fuel efficiency, reducing wear on the points and spark plug.

5. **Lightweight and Maneuverable** The DT125 is small and easy to handle, making it ideal for beginners, short riders, or those who prefer a bike they can easily maneuver in tight spaces.

6. **Minimal Modern Electronics** Unlike modern bikes with complex fuel injection and computer systems, the DT125 relies on basic mechanical and electrical components, reducing the risk of electronic failures.

7. **Customization Potential** The bike can be easily modified for different riding styles, such as adding suspension upgrades, exhaust systems, or even converting it into a more aggressive off-road or street bike.

8. **Low Operating Costs** Fuel efficiency is excellent, and maintenance is straightforward. Oil changes, spark plug replacements, and basic tune-ups are inexpensive compared to modern bikes.

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#### **Cons**

1. **Age and Wear** A 1980-1981 model will likely have significant mileage, which means potential issues with the engine, transmission, or frame. Rust, worn bearings, and degraded rubber components (tires, hoses, belts) are common concerns.

2. **Limited Modern Safety Features** Unlike today s bikes, the DT125 lacks ABS, traction control, advanced braking systems, or modern ergonomics. Riding conditions may be less comfortable or safe by today s standards.

3. **Reliability Depends on Maintenance History** If the bike has been poorly maintained, it may require extensive repairs before it becomes roadworthy. A thorough inspection is essential before purchasing.

4. **Parts Availability** While parts are generally available, some components (e.g., specific gaskets, seals, or electrical parts) may be harder to find than on newer bikes. Stockpiling spare parts is advisable.

5. **Performance Limitations** The 125cc engine is not powerful by modern standards, making it slow on highways and less capable in demanding off-road conditions compared to contemporary dual-sports.

6. **Fuel and Emissions Compliance** In some regions, older bikes may not meet current emissions standards, potentially requiring modifications or limiting where they can be ridden.

7. **Resale Value** Classic bikes like the DT125 hold some value among enthusiasts, but they depreciate over time. If you plan to sell it later, the resale market may not be as lucrative as for newer bikes.

8. **Electrical System Vulnerabilities** The CDI system is an improvement over points ignition, but older wiring and components can still fail, especially if exposed to moisture or poor installation.

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### **Conclusion**

The Yamaha DT125 (1980-1981) with a CDI igniter (DT3J0-85540-20-00) is an excellent choice for riders who appreciate simplicity, reliability, and a nostalgic riding experience. It is well-suited for casual commuting, light trail riding, or as a project bike for enthusiasts who enjoy working on mechanical details. However, potential buyers should be prepared for the challenges of maintaining an older machine, including potential rust, wear, and the need for diligent upkeep.

If you are looking for a bike that is easy to ride, affordable to operate, and capable of handling a variety of terrains without modern complexities, the DT125 is a strong candidate. On the other hand, if you prioritize power, safety features, or the latest technology, a modern dual-sport or adventure bike may be a better fit.

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### **Recommendation**

- You are seeking a budget-friendly, low-maintenance bike for casual riding or light off-roading.

- You enjoy working on bikes and are willing to invest time in maintenance or restoration.

- You appreciate the classic design and simplicity of an older motorcycle.

- You plan to use it primarily for short-distance commuting, trail riding, or as a secondary bike.

- You require a high-performance or modern dual-sport bike for long-distance touring or aggressive off-roading.

- You prefer bikes with advanced safety features like ABS or traction control.

- You are not comfortable with the idea of potential mechanical issues or the need for frequent inspections.

- You want a bike with minimal long-term repair costs, as older models may require significant work over time.

Before purchasing, conduct a thorough inspection of the bike s engine, frame, suspension, and electrical system. Consider having a mechanic evaluate it to assess its condition and any necessary repairs. If you find a well-maintained example with low mileage and a clean service history, it can be a rewarding and enjoyable ride. If the bike is in poor condition, factor in the cost of restoration before deciding.

Details:

FOR 1980 1981 YAMAHA DT125 USED OEM PART IN GREAT CONDITION.

part #: 3j0855402000 prices

• $29.17-$99.00

specifications cyclevintagee:

• for makes: Yamaha
• for years: 1980-1981
• brand: Dt
• mpn: 3j0-85540-20-00
• part type: Igniter
• color: Black
• compatible model: Dt125, Dt 125
• material: Plastic, Stainless Steel
• vintage part: Yes
• placement on vehicle: Right, Left, Front, Rear, Front Wheel, Rear Wheel
• compatible year: 1981, 1980
• country of origin: Japan

offer cyclevintagee:

• quantity: 1
• availability: In Stock
• sold: 0
• options: Ship-to-home
• started: March 20, 2026
• best offers: True

shipping cyclevintagee:

• transit: 5-8 Days
• type: Calculated
• service: USPS Ground Advantage
• carrier: USPS
• class: Standard
• cost: $5.45

returns cyclevintagee:

• paid by: Seller
• time: 30 Days
• policy: Returns Accepted

payments cyclevintagee:

• other
• wallet: Paypal
• credit card: Diners-club

seller cyclevintagee:

• city: Cherokee, Oklahoma
• # reviews: 154
• rating: 98.7%

general cyclevintagee:

• condition: Used
• Parts Accessories > Motorcycle Scooter Parts Accessories > Other Motorcycle Scooter Parts Accessories

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