1. Home
  2. Engines
  3. Tillotson Engines
  4. Tillotson 196R Box Stock Clone Engine
  5. Tillotson 196R Carburetors
  6. Tillotson 196 Clone OE Stock Carb Parts
  7. Throttle Shutter Screw for Honda GX200/Clone Stock Carburetors
Throttle Shutter Screw for Honda GX200/Clone Stock Carburetors
168F-53 GX200 Clone RuXing Throttle Shaft Butterfly Screw
Write a Review

Throttle Shutter Screw for Honda GX200/Clone Stock Carburetors

Part Number: 168F-53
Online Price: $1.14
Throttle Shutter Screw for Honda GX200 Clone Carburetors – OEM Replacement
Availability: In Stock.

Send to:

*We'll ask for shipping info at checkout

Description

Throttle Shutter Screw for Honda GX200/Clone Stock Carburetors


The Throttle Valve/Shutter (Butterfly) Screw securely attaches the throttle valve (butterfly) to the throttle shaft in most Honda GX200 and Clone stock carburetors. This essential component ensures smooth throttle operation and optimal airflow control.


Originally designed for the Ruixing carburetor, this screw’s precise head shape, length, and size have become the standard in many racing classes. Builders and tuners prefer it for maximizing carburetor flow performance while staying within strict class regulations.


Compatibility

The RuiXing Butterfly Screw 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


Racing Compliance:

AKRA 2020 Rules for Throttle Butterfly Screw

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 Screw

40.4.11.6: Butterfly 

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

FAQ

Q1: What does the throttle shutter screw do?
A1: The throttle shutter screw fastens the throttle valve (butterfly) to the throttle shaft in your carburetor, controlling airflow and engine speed.


Q2: Is this screw compatible with my Honda GX200 clone engine?
A2: Yes! This screw fits most Honda GX200 and Clone carburetors, including Ruixing, Tillotson PK-1, Huayi, and SP carburetors used on engines like Predator 212 and Ducar 196.


Q3: Is this throttle shutter screw legal for racing?
A3: Absolutely. This screw meets the AKRA and NKA 2020 rules, including thickness and length requirements, ensuring it’s race-legal for most box stock karting classes.


Q4: Can I modify this screw to improve performance?
A4: No modifications are allowed if you want to stay compliant with racing regulations. The screw must remain stock and unaltered to meet the minimum length and thickness specs.


Q5: How do I know if I need to replace my throttle shutter screw?
A5: Replace the screw if it’s damaged, stripped, or if your throttle valve becomes loose, causing inconsistent throttle response or air leaks.

Related Items

Recently Viewed Items