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Throttle Valve (Shutter) for Honda GX200 & Clone Stock Carburetors
308080025 Tillotson Clone Carburetor Throttle Shutter/Butterfly
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Throttle Valve (Shutter) for Honda GX200 & Clone Stock Carburetors

Part Number: 308080025
Online Price: $1.00
Throttle Valve (Butterfly) for Honda GX200 and Clone Carburetors – Precision Airflow Control
Availability: In Stock.

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Description

Throttle Valve (Butterfly) for Honda GX200 & Clone Carburetors – Compatible with Tillotson, Huayi, and More


Optimize your engine’s performance with our precision-engineered Throttle Valve (Butterfly Shutter) designed specifically for Honda GX200 and popular clone carburetors. This essential component controls the airflow entering the carburetor, directly influencing fuel delivery and engine response.


Key Features:

  • Bore Diameter: 0.625 inches for a perfect fit
  • Precision Airflow Control: The butterfly valve not only regulates airflow volume but also directs air to enhance fuel signal strength, improving fuel draw and engine efficiency.


Pro Tip:

Engine builders and carburetor blueprinters will precisely adjust the throttle shutter alignment by lightly sanding the throttle shaft lever or carburetor body to optimize airflow and/or boost low-side signal.


Compatible Carburetors:

This throttle valve fits most popular clone carburetors including:

  • Tillotson PK-1
  • Huayi
  • Ruixing
  • SP Clone-style carburetors


Fits Small Block Engines:

  • Honda GX200 / Clone (196cc)
  • Box Stock Project 196
  • Tillotson 196 / 212
  • Ducar 196 / 212 / 224
  • Predator 212 (Hemi & Non-Hemi)
  • Predator 224 Non-Hemi
  • Wildcat 223


Compliance with Racing Standards:


AKRA 2020 Rules for Throttle Butterfly

Butterfly .037” thickness. Butterfly screw minimum length .305”, the screw must remain stock as produced with no alteration allowed to achieve min length.


NKA 2020 Rules for Throttle Butterfly

40.4.11.6: Butterfly 

The butterfly is .037” min thickness; butterfly screws minimum length 0.305”

FAQ

Q1: What engines and carburetors is this throttle valve compatible with?
A1: This throttle valve fits Honda GX200 and clone small block engines including Box Stock Project 196, Tillotson 196/212, Ducar 196/212/224, Predator 212 (Hemi & Non-Hemi), Predator 224 Non-Hemi, Wildcat 223, and popular clone carburetors like Tillotson PK-1, Huayi, Ruixing, and SP clone-style carburetors.


Q2: What is the bore diameter of this throttle butterfly?
A2: The throttle butterfly valve has a bore diameter of 0.625 inches, ensuring an optimal fit in compatible carburetors.


Q3: How does the throttle butterfly affect engine performance?
A3: The throttle butterfly controls the airflow into the carburetor, influencing both the volume and direction of air. Proper positioning can improve fuel draw and engine efficiency, particularly at low and wide-open throttle conditions.


Q4: Is this throttle valve compliant with racing rules?
A4: Yes, this throttle butterfly meets the AKRA and NKA 2020 rules, featuring a minimum thickness of 0.037 inches and butterfly screw minimum length of 0.305 inches, with no modifications required.


Q5: Can I use this throttle valve on non-Honda carburetors?
A5: Yes, it is designed to fit most popular clone carburetors commonly used on various small block engines, including models from Tillotson, Predator, and others.

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