( Brand: Klein ), ( Machine Type: Off-road Motorcycle ), ( Manufacturer Part Number: 3925D ATH25 ), ( Material: Aluminum ), ( Vintage Part: No ), ( Engine Type: 4-stroke ), ( Choke Type: Mechanical ), ( Type: Carburetor ), ( Features: Throttled )
Review KLEIN Keihin Fcr 39mm Carburetor Tps Yamaha Kawasaki Ktm Honda fits 450F 250F MX
The Klein 3925D ATH25 Keihin FCR MX Carburetor TPS is a high-performance, aftermarket throttle position sensor designed specifically for use with 39mm Keihin FCR MX carburetors. This sensor is suitable for various motorcycle makes and models, including Yamaha, Kawasaki, KTM, and Honda, with applications on 450F and 250F models.
The Klein 3925D TPS is an electronic device that monitors the position of the throttle butterfly valve in real-time and converts this information into an electrical signal for the motorcycle's engine management system. This sensor ensures precise fuel injection timing and optimizes engine performance, improving throttle response and overall rideability.
The TPS features a durable, waterproof design with a high-temperature resistance, making it ideal for use in harsh off-road conditions. The sensor is also easy to install, requiring minimal modifications to the existing wiring harness. The package includes the TPS unit, mounting hardware, and detailed installation instructions to ensure a seamless installation process.
The Klein 3925D ATH25 Keihin FCR MX Carburetor TPS is a direct replacement for OEM sensors, ensuring a perfect fit and reliable operation. It is engineered to provide superior accuracy and longevity compared to other aftermarket alternatives. Upgrading to this TPS will result in improved engine performance, enhanced responsiveness, and a smoother riding experience.
The Klein 3925D Ath25 Keihin FCR MX 39mm Carburetor TPS is a popular aftermarket carburetor used in various motorcycles, including Yamaha, Kawasaki, KTM, Honda 450F, and 250F models. Here are some pros and cons that may help you decide if this carburetor is a good fit for your motorcycle.
Pros:1. Improved Performance: This carburetor is known to provide better fuel mixture and airflow, leading to improved performance and increased power.
2. Adjustability: The FCR carburetor comes with adjustable jetting and needle positions, allowing riders to fine-tune the fuel mixture for different riding conditions and fuel types.
3. Durability: Keihin carburetors are known for their durability and reliability, making the FCR a good choice for riders who want a long-lasting and high-performance carburetor.
4. Wide Compatibility: The FCR carburetor is compatible with a wide range of motorcycles, making it a versatile and popular choice among riders.
Cons:1. Complexity: The FCR carburetor is more complex than stock carburetors, which can make it more difficult to install and adjust.
2. Cost: This carburetor is more expensive than stock carburetors, which may be a deterrent for some riders.
3. Maintenance: The FCR carburetor requires more frequent maintenance than stock carburetors due to its high-performance design.
Ending Conclusion:The Klein 3925D Ath25 Keihin FCR MX 39mm Carburetor TPS is a high-performance aftermarket carburetor that offers improved fuel mixture and airflow, adjustability, durability, and wide compatibility. However, it comes with a higher cost, complexity, and maintenance requirements. If you're looking for a carburetor that provides excellent performance and can be customized to your riding style, the FCR carburetor is a good investment. However, if you're on a budget or prefer a simpler and less maintenance-intensive carburetor, you may want to consider other options.
Recommendation:If you're looking for a high-performance aftermarket carburetor for your Yamaha, Kawasaki, KTM, Honda 450F, or 250F motorcycle and are willing to invest in a more complex and expensive option, the Klein 3925D Ath25 Keihin FCR MX 39mm Carburetor TPS is a solid choice. It offers improved fuel mixture and airflow, adjustability, durability, and wide compatibility. However, if you're on a budget or prefer a simpler and less maintenance-intensive option, you may want to consider other aftermarket carburetors or sticking with the stock carburetor on your motorcycle.
specifications iodacarb:
- for models: 450f, 250f, Mx
- for makes: Yamaha, Kawasaki, Ktm, Honda
- brand: Klein
- machine type: Off-road Motorcycle
- manufacturer part number: 3925D ATH25
- material: Aluminum
- vintage part: No
- engine type: 4-stroke
- choke type: Mechanical
- type: Carburetor
- features: Throttled
shipping iodacarb:
- class: Standard
- carrier: USPS
- transit: 5-11 Days
- service: USPS Ground Advantage
- type: Calculated
- cost: $8.65
general iodacarb:
- Motorcycle Scooter Parts Accessories > Air Intake Fuel Delivery > Carburetors
- condition: Used
seller iodacarb:
- rating: 100.0%
- # reviews: 11
payments iodacarb:
- other
- credit card: Diners-club
- wallet: Apple-pay
offer iodacarb:
- availability: In Stock
- best offers: True
- started: January 23, 2026
- quantity: 1
- options: Ship-to-home
- sold: 0
returns iodacarb:
- policy: No Returns
