fits model: Dt250. make: Yamaha. year: 1977–1979.

( Brand: Keyster ), ( Manufacturer Part Number: KY-0174 )
The Yamaha DT250 Keyster Carb Kit (part number 1m1-14101-00-01) is a high-quality replacement kit designed specifically for Yamaha DT250 models from the years 1977 to 1979. This kit includes the essential Keyster carburetor components, such as the main jet, pilot jet, and idle jet, ensuring optimal engine performance and fuel efficiency.
The main jet, with a size of 140, is designed to provide the proper fuel-air mixture for normal riding conditions. The pilot jet, with a size of 35, regulates the fuel flow for idle operation, ensuring a smooth and consistent engine idle. The idle jet, with a size of 100, helps to fine-tune the engine's idle speed for optimal performance.
The kit also includes a Keyster carburetor body, which is known for its excellent construction and durability. The body is made from high-quality materials, ensuring long-lasting performance and resistance to corrosion. The kit also includes a Keyster carburetor air cleaner, ensuring that the engine is receiving clean and uncontaminated air for optimal performance.
Installation of the kit is straightforward, with clear and easy-to-follow instructions included in the package. The kit is compatible with both stock and aftermarket exhaust systems, making it a versatile option for a wide range of Yamaha DT250 models.
In summary, the Yamaha DT250 Keyster Carb Kit (1m1-14101-00-01) is a high-quality replacement kit that provides optimal engine performance and fuel efficiency. Its durable construction and easy installation make it a popular choice among Yamaha DT250 owners looking to improve their bike's performance and longevity.
Pros of buying a Yamaha DT250 Keyster Carb Kit (1m1-14101-00-01):1. Compatibility: This kit is specifically designed for Yamaha DT250 models from 1977 to 1979, ensuring a perfect fit and function.
2. Improved Performance: The Keyster kit includes a high-performance carburetor that can help improve the bike's overall performance, including acceleration and fuel efficiency.
3. Easy Installation: The kit comes with detailed instructions and all necessary hardware, making installation a relatively straightforward process for most DIY enthusiasts.
4. Quality Materials: The Keyster carburetor is known for its durability and reliability, which can contribute to a longer lifespan for the engine.
Cons of buying a Yamaha DT250 Keyster Carb Kit (1m1-14101-00-01):1. Cost: The kit may be more expensive than some aftermarket alternatives, which could be a concern for budget-conscious buyers.
2. Potential for Adjustment: Carburetors require fine-tuning to achieve optimal performance, which may require additional time and expertise.
3. Risk of Damage During Installation: Care must be taken during installation to avoid damaging the carburetor or other components.
Conclusion:The Yamaha DT250 Keyster Carb Kit (1m1-14101-00-01) offers numerous benefits, including improved performance and potential longevity. However, the higher cost and potential need for adjustment should be considered. If you're comfortable with the installation process and willing to invest in a high-quality carburetor, this kit could be a worthwhile purchase. For those on a tighter budget, there may be more affordable alternatives available.
Any questions send me a message. For Yamaha DT250. New Keyster KY-0174 carb rebuild kit as shown in photo.