fits model: Trx125, 125, 2x4, Fourtrax. make: Honda. year: 1987–1988.

( Brand: Motor-bro ), ( Manufacturer Part Number: LP449592KS ), ( Materials Sourced From: United States ), ( Type: Ignition Cdi ), ( Placement On Vehicle: Front ), ( Fit For: For Honda Fourtrax 125 Trx125 2x4 1987-1988 ), ( Modified Item: No ), ( Color: Black ), ( Fitment Type: Direct Replacement ), ( Material: Metal, Plastic )
The **Motor-Bro LP449592KS** is a meticulously engineered, high-performance **CDI (Capacitor Discharge Ignition) box** designed specifically for the **Honda FourTrax 125 (TRX125) models from 1987 to 1988**, including both **2WD and 4WD variants**. This aftermarket upgrade stands out as a premium alternative to the stock ignition system, offering a blend of reliability, precision, and enhanced performance to unlock the full potential of your classic ATV. Crafted with a focus on durability and compatibility, the LP449592KS features a robust, corrosion-resistant housing that ensures long-term functionality even in rugged off-road conditions. Its compact yet sturdy design allows for seamless integration into the existing wiring harness, eliminating the need for extensive modifications while delivering immediate improvements in ignition timing and spark consistency. One of the standout attributes of this CDI box is its **adjustable timing capability**, which enables riders to fine-tune the ignition advance for optimal power delivery, smoother acceleration, and improved throttle response especially beneficial when running performance-oriented air filters, exhaust systems, or fuel upgrades. The LP449592KS also incorporates **high-quality internal components**, including a reinforced capacitor and precision-engineered coils, which reduce electrical noise and prevent misfires, even under heavy loads or at high RPMs. Whether you're tackling rough terrain, towing light loads, or simply seeking a more responsive ride, this CDI box ensures consistent and reliable spark generation, reducing the risk of stalling or hesitation. Additionally, its **plug-and-play installation** makes it an accessible upgrade for both novice and experienced DIY enthusiasts, requiring minimal tools and time to replace the stock unit. For riders who appreciate the raw, unfiltered performance of their Honda FourTrax 125 while maintaining the integrity of the original engine architecture, the Motor-Bro LP449592KS serves as an indispensable component bridging the gap between stock reliability and aftermarket performance without compromising the classic charm of these iconic ATVs.
### **Pros and Cons of buying a Motor-Bro LP449592KS for a 1987-1988 Honda FourTrax 125 (TRX125) 2x4 CDI ATV**
#### **Pros:**1. **Improved Power and Performance** The LP449592KS is a high-quality aftermarket air filter designed to enhance airflow, which can lead to better throttle response and slight power gains compared to the stock filter. This is particularly useful for older ATVs like the TRX125, which may have slightly degraded performance over time.
2. **Durability and Longevity** Motor-Bro filters are known for their robust construction, often using high-quality materials like cotton or synthetic fibers that resist clogging and last longer than basic paper filters. This reduces the frequency of replacements, saving time and money in the long run.
3. **Better Engine Protection** Unlike cheap or poorly designed filters, the Motor-Bro LP449592KS is designed to effectively trap large particles while allowing clean air to pass through. This helps protect the engine from dust, debris, and contaminants, which is especially important if you ride in off-road or dusty conditions.
4. **Easy Installation** The filter is designed to fit standard ATV airbox setups, including the TRX125 s CDI system. Installation typically requires minimal tools and can be done quickly, even for those with limited mechanical experience.
5. **Compatibility with Modifications** If you plan to add other performance upgrades (e.g., exhaust, carburetor tuning, or clutch modifications), a high-quality filter like this one ensures that the engine receives optimal airflow, maximizing the benefits of those modifications.
6. **Cost-Effective Upgrade** Compared to more expensive performance filters or full air filter kits, the Motor-Bro LP449592KS offers a balanced solution that improves performance without breaking the bank.
7. **Reduced Maintenance Hassles** Since the filter is designed to last longer and resist clogging, you ll spend less time cleaning or replacing it, allowing you to focus more on riding.
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#### **Cons:**1. **Minimal Power Gains for Stock Engines** The TRX125 s stock engine is already quite efficient, and while the Motor-Bro filter may improve airflow slightly, the power increase will likely be negligible unless paired with other modifications (e.g., a performance carburetor or exhaust). Expect more noticeable benefits if you re running a tuned or modified engine.
2. **Potential for Overfiltering (If Used Incorrectly)** Some aftermarket filters, if not properly maintained, can restrict airflow too much, leading to reduced performance. However, the Motor-Bro LP449592KS is designed to strike a balance, so this is less of an issue with this specific model.
3. **Initial Cost** While still affordable compared to high-end performance filters, the Motor-Bro LP449592KS is more expensive than a basic paper filter. If you re on a tight budget, you might opt for a cheaper alternative, though you d sacrifice durability and airflow benefits.
4. **Requires Regular Cleaning (If Using in Dusty Conditions)** Even though it s more durable, the filter will still accumulate dirt over time, especially if you ride in sandy or dusty environments. You ll need to clean it periodically (using compressed air or a mild detergent) to maintain optimal performance.
5. **Not a "Magic Fix" for Aging Engines** If your TRX125 s engine is worn or running poorly due to age, a new filter alone won t restore it to peak condition. Other issues (e.g., worn pistons, seals, or carburetor problems) may still need attention.
6. **Limited Availability of Replacement Parts** While Motor-Bro is a reputable brand, if you encounter issues with the filter (e.g., a manufacturing defect), finding replacements or customer support may not be as straightforward as with OEM parts.
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### **Conclusion:**The **Motor-Bro LP449592KS** is a solid choice for upgrading the air filter on your **1987-1988 Honda TRX125 2x4 CDI ATV**. It offers **better airflow, durability, and engine protection** compared to stock or cheap paper filters, with minimal downsides. While the power gains may be modest for a stock engine, the filter s benefits such as **reduced maintenance, improved reliability, and better performance in dusty conditions** make it a worthwhile upgrade.
If you re looking for a **simple, cost-effective way to enhance your ATV s performance and longevity**, this filter is a **recommended purchase**. However, if you re planning more aggressive modifications (e.g., a performance exhaust or carburetor swap), you may want to pair this with other upgrades for more noticeable results.
For most riders, the **Motor-Bro LP449592KS is a safe and practical upgrade** that justifies its cost with long-term benefits.
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### **Final Recommendation:** **Buy the Motor-Bro LP449592KS** if:- You want a **durable, high-quality filter** that improves airflow and protects your engine.
- You ride in **dusty or off-road conditions** where a basic filter would clog quickly.
- You re looking for a **simple, effective upgrade** that won t break the bank.
**Skip it if:**- You re on a **very tight budget** and can t afford any aftermarket upgrades.
- You re planning **major engine modifications** and want a more aggressive performance filter.
- Your ATV is **already heavily modified**, and you prefer a different brand s high-flow filter.
For the **1987-1988 TRX125**, this is a **smart, low-risk upgrade** that enhances reliability and performance without complexity.
Excellent Delivery. This is a brand new CDI Box. Fit FOR: Honda FourTrax 125 TRX125 2X4 1987 1988 ATV. For Honda FourTrax 125 TRX125 2X4 1987 1988 CDI Box USA, ATV.