fits model: Trx250, Fourtrax. make: Honda. year: 1985.

( Manufacturer Part Number: QA04A ), ( Part Type: Carburetor ), ( Surface Finish: Metal )
The Keihin QF47-4742 carburetor is a critical component of the 1985 Honda Fourtrax TRX250, providing the necessary air-fuel mixture for the engine to operate efficiently. This carburetor is a testament to Keihin's engineering excellence, known for its precision and reliability.
The Keihin QA04A carburetor features a 38mm throttle body, which allows for a sufficient airflow to the engine, ensuring optimal performance under various riding conditions. The carburetor is equipped with a main jet (#130) and a pilot jet (#32), both of which can be adjusted for fine-tuning the air-fuel mixture to suit specific engine conditions or altitude.
The carburetor body is made of high-quality materials, ensuring durability and resistance to corrosion. The float chamber is designed to maintain a consistent fuel level, while the float valve ensures smooth fuel delivery to the engine. The carburetor also includes an idle jet (#60), which can be adjusted to fine-tune the engine's idle speed for smooth operation.
The Keihin QA04A carburetor is not just a replacement part, but an essential upgrade for any Honda Fourtrax TRX250 enthusiast seeking to improve their off-road performance. Its precision engineering and adjustability make it a popular choice among riders who demand the best from their ATV.
In conclusion, the 1985 Honda Fourtrax TRX250 Keihin QF47-4742 carburetor is a high-performance, reliable, and adjustable component that delivers the perfect air-fuel mixture for optimal engine performance. Its durability, resistance to corrosion, and ease of maintenance make it an excellent investment for any Honda Fourtrax TRX250 owner.
Pros of buying a 1985 Honda Fourtrax TRX250 carburetor (Keihin QA04A, part number 4742):1. Widely available: The TRX250 is a popular and long-lived model, so replacement parts like this carburetor are easy to find.
2. Affordable: Compared to newer models, the price of this carburetor is relatively low.
3. Easy installation: Replacing a carburetor is a common repair task, and the process is generally straightforward, assuming you have the right tools and know-how.
Cons of buying a 1985 Honda Fourtrax TRX250 carburetor (Keihin QA04A, part number 4742):1. Limited performance: Carburetors are less precise than electronic fuel injection systems, so they may not provide the same level of performance or fuel efficiency.
2. Maintenance required: Carburetors require regular maintenance, such as cleaning and adjusting, to ensure proper operation.
3. Potential for engine issues: If the carburetor is not properly tuned or maintained, it can cause engine performance issues, such as poor fuel economy or difficulty starting.
Conclusion:The 1985 Honda Fourtrax TRX250 carburetor is a reliable and affordable replacement part for older models of this popular ATV. However, it may not provide the same level of performance as newer electronic fuel injection systems, and it requires regular maintenance to ensure proper operation. If you are comfortable with the maintenance requirements and are looking for a cost-effective solution, this carburetor is a good option. If you want the best performance and ease of use, you may want to consider upgrading to a newer electronic fuel injection system.
Recommendation:If you are looking for a cost-effective solution to replace the carburetor on your 1985 Honda Fourtrax TRX250, then the Keihin QA04A carburetor is a good option. However, if you want the best performance and ease of use, you may want to consider upgrading to a newer electronic fuel injection system. Be sure to consult with a qualified mechanic before making any repairs to your ATV.
Please look at the pictures and ask any questions concerning item before buying.
This sale is for only the original Honda parts shown in photos. Please, if possible, view photos on a computer screen before purchasing. Many mobile phone screen sizes are not large enough to view small details in the pictures.
This is a genuine Honda carburetor assembly for all-terrain vehicle parts or not working only. The item, even if it is new old stock, may have shelf wear or be missing original packaging.
It fits the following model's and years: TRX250 a 85 Fourtrax 250 this item is no longer available from Honda.
The item pictured is actual for sale.
The photographs show condition of item.