fits model: Ex570, 570. make: Yamaha. year: 1989.

( Manufacturer Part Number: 86M-14101-00-00 ), ( Part Type: Carburetor )
The Yamaha 86m-14101-00-00 left carburetor is a critical component of the carburetion system for select Yamaha EX570 motorcycles from the year 1989. This carburetor, manufactured by Yamaha, is designed specifically for use as a left-side carburetor in the EX570's engine configuration. The carburetor features a 38mm bore, which Contributes to efficient air and fuel mixing, supporting smooth idling, reliable starting, and optimal power delivery. Furthermore, this carburetor's design adheres to strict quality standards, ensuring precision and longevity.
Housed within the sleek, durable body of the carburetor are several critical components that work together to maintain the proper fuel-air mixture for the engine. These components include an idle jet which delivers fuel at a specific rate for stable idling, a needles jet which regulates the fuel mixture during intermediate engine speeds, and a main jet which controls the fuel mixture under full throttle conditions.
In addition, the carburetor features an adjustable pilot jet housed within an adjustable floating pre-mixer. This adjustment allows the rider to fine-tune the carburetor's idle mixture and address any potential issues stemming from variations in atmospheric conditions, altitude, or engine condition.
A vacuum-operated petcock comes standard with this carburetor, allowing the rider to capably control the fuel flow. When the engine is running, the petcock opens, providing fuel to the carburetor. When the engine is shut off, the petcock closes to prevent fuel from flowing unintentionally and potentially causing fuel spills or environmental waste.
Intricate ColombLean-mixing secondary jet circuits are also integrated with this carburetor design. These circuits optimize fuel delivery during part-throttle riding conditions and contribute to improved engine performance.
To ensure an easy installation process, the 86m-14101-00-00 left carburetor is designed with threading that matches standard Yamaha EX570 models. Furthermore, O-ring seals and gaskets are included with the product, making the installation process a simpler, leak-free experience.
Pre-installed gears in the throttle kit guarantee the carburetor's efficient operation with the factory throttle cable. Built to exacting specifications, this Yamaha 86m-14101-00-00 left carburetor guarantees a seamless and enjoyable riding experience for those seeking precise engine performance.
* Quality: Yamaha is a reputable brand known for manufacturing high-quality motorcycle parts. This carburetor is no exception. It is engineered to provide precise fuel-air mixture for efficient combustion.
* Compatibility: This carburetor is specifically designed for the 1989 Yamaha Exciter 570, ensuring a perfect fit and minimal modification required.
* Durability: Yamaha carburetors are built to withstand the rigors of off-road use, making them a robust choice for an Exciter 570. This particular model features a durable construction, helping to extend the lifespan of the carburetor.
* Adjustability: The 38mm carburetor offers fine-tuning capabilities, granting riders the ability to optimize engine performance based on their desired riding style or specific riding conditions.
* Availability: Being a popular choice among Yamaha Exciter 570 owners, you can easily find this carburetor for sale in various marketplaces and shops.
2. Cons:* Price Tag: The Yamaha 86M-14101-00-00 carburetor may carry a higher price tag compared to aftermarket alternatives from other brands.
* Complexity: While not overly complex, installing and tuning a carburetor can be a challenging task for some riders. Professional help might be necessary for optimal performance.
* Potential for Fuel Imbalance: Due to differences in carburetor synching and settings, riders might experience fuel imbalance between carbs when the 4-carb setup is factory original. This could lead to lackluster engine performance or uneven power delivery.
Conclusion:The Yamaha 86M-14101-00-00 carburetor offers several advantages for 1989 Yamaha Exciter 570 owners. It boasts Yamaha's reputation for quality and compatibility, offers enhanced durability, and provides adjustability for fine-tuning engine performance. However, it does come with its drawbacks, such as a potential higher price tag and the potential need for professional installation and tuning.
Recommendation:If you're looking to improve the performance of your 1989 Yamaha Exciter 570 and are prepared for the potential challenges and costs of installation and tuning, then the Yamaha 86M-14101-00-00 carburetor is an excellent choice for you. The precision and efficiency delivered by this carburetor make it a worthy investment for serious off-road enthusiasts. Aftermarket options are available for those looking to save on cost or reduce complexity, but keep in mind you may sacrifice some of the unique advantages offered by the OEM Yamaha carburetor.
Has 2 coolant nipples. Cleaned, checked, ready to ship. Yamaha Left PTO Carburetor Carb 38mm 1989 Exciter 570 EX570 OEM 86M-14101-00- Good used left / side Miking carburetor.