ALL BALLS Mikuni HSR 42/45 Carburetor Rebuild Kit (Part #26-10052)

The ALL BALLS Mikuni HSR 42/45 Carburetor Rebuild Kit (Part #26-10052) is designed exclusively for closed-course racing applications. Constructed with high-quality NBR rubber, all O-rings and gaskets are resistant to ethanol-based fuels, ensuring durability and reliable performance under demanding conditions. This comprehensive kit includes every essential component needed to restore your carburetor, making maintenance straightforward and efficient. The kit features all gaskets, including the spigot body gasket, O-rings, float bowl, carburetor cap, and spigot body screws, providing a complete solution for your rebuild needs. It also contains a fuel mixture screw with a spring, washer, and O-ring, along with a float needle valve with FMK tip and an accelerator pump boot, ensuring optimal fuel delivery and throttle response. Designed specifically for Mikuni HSR 42/45 models, this rebuild kit offers dependable performance, resistance to modern fuels, and ease of installation, helping you maintain peak engine performance in competitive racing environments.

Features:

• Intended for closed-course racing only

• All O-rings and gaskets made from NBR rubber for ethanol resistance

• Includes all essential gaskets: spigot body, float bowl, carburetor cap, and screws

• Contains fuel mixture screw with spring, washer, and O-ring for precise tuning

• s float needle valve with FMK tip for reliable fuel regulation

• Includes accelerator pump boot for smooth throttle response