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Tillotson HM 45mm Throttle Shutter (Butterfly)
14A-110 Tillotson HM Throttle Shutter (Butterfly)
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Tillotson HM 45mm Throttle Shutter (Butterfly)

Part Number: 14A110
Online Price: $39.99
Tillotson HM Throttle Shutter – Brass Butterfly for 45mm Bore Carburetors
Availability: In Stock.

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Description

Tillotson HM Throttle Shutter (Butterfly) – Fits 45mm Bore HM-1 Carburetors


Ensure precision airflow and optimal throttle response with the Tillotson HM Throttle Shutter, also known as the butterfly valve. This high-quality brass component is designed specifically for Tillotson HM-1 carburetors with a 45mm (1.771") bore.


As a vital part of the throttle assembly, the shutter regulates the air entering your engine, helping maintain consistent performance and responsiveness—essential for racing or high-output applications.


Key Features:

  • Precision Fit: Specifically engineered for 45mm/1.771" bore Tillotson HM-1 carburetors
  • High-Quality Brass: Durable construction for long-lasting performance and corrosion resistance
  • Optimized Airflow Control: Regulates intake airflow for consistent throttle response and engine tuning
  • Genuine Replacement Part: Ideal for replacing worn or damaged throttle butterflies in high-performance applications
  • Karting & Racing Use: Trusted by tuners and racers for competitive karting and small engine performance


Application:

Perfect for performance enthusiasts using Tillotson HM-1 carburetors in kart racing, small engines, and custom setups requiring precise throttle control.

FAQ

Q1: What does the Tillotson HM Throttle Shutter do?

A1: The throttle shutter (or butterfly) controls the amount of air entering the carburetor. It plays a critical role in regulating engine RPM and throttle response.


Q2: What carburetors is this shutter compatible with?

A2: This throttle shutter is designed to fit Tillotson HM-1 carburetors with a 45mm (1.771") bore. It is not compatible with other carb models or bore sizes.


Q3: Is it made from durable materials?

A3: Yes, it's made from high-quality brass, offering excellent durability, corrosion resistance, and precise sealing for optimal airflow control.


Q4: Can I install this myself?

A4: Yes, with basic tools and carburetor knowledge, most users can install or replace this shutter. Proper alignment during installation is critical for smooth throttle operation.


Q5: Why would I need to replace my throttle shutter?

A5: Over time, wear or damage can cause air leaks or imprecise throttle control. Replacing a worn shutter restores performance and ensures proper airflow and engine responsiveness.

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