BOYESEN Quickstart Accelerator Pump Cover for Keihin FCR Carburetors – Fits MX, Off-Road, and ATV Models

Quickstart Accelerator Pump Cover - Keihin FCR Carburetor

The BOYESEN APC-3QS Quickstart Accelerator Pump Cover is engineered to enhance the performance and reliability of your Keihin FCR carburetor. This high-volume vertical check valve located in the QS3 ensures precise, consistent fuel metering for optimal throttle response. The tunable leak jet maximizes fuel flow and spray duration across various riding conditions, providing improved acceleration and power delivery. Integrated Hot Start Assist simplifies the hot start procedure, eliminating common starting issues associated with 4-stroke engines. Designed with a patented construction, this cover effectively prevents bogging and enhances throttle responsiveness, making it a valuable upgrade for MX, off-road, and ATV applications.
This product is crafted from investment cast materials finished to strict tolerances, guaranteeing durability and a perfect fit. With 25% more fuel capacity, it supports extended riding sessions and better fuel efficiency. Installation is straightforward, requiring only basic tools for a secure bolt-on setup. Compatible with all Keihin FCR-equipped motorcycles, the BOYESEN APC-3QS is an essential upgrade for riders seeking increased low-end performance and improved carburetor response. Fitment includes a wide range of MX, off-road, and ATV models equipped with Keihin FCR carburetors, ensuring versatile application for various makes and models.

Features:

• High-volume vertical check valve for precise fuel metering

• Tunable leak jet to maximize fuel volume and spray duration

• Integrated Hot Start Assist for easier engine starting

• Patented design to stop bogging and improve throttle response

• Investment cast construction with precise tolerances for durability

• Enhanced low-end performance

• Simple bolt-on installation

• 25% increased fuel capacity for extended riding