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Fine Throttle Regulating Spring (Governor Spring) for Honda GX200/ Clone Engines
138190062 Tillotson Clone Fine Regulating Back/Governor Spring
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Fine Throttle Regulating Spring (Governor Spring) for Honda GX200/ Clone Engines

Part Number: 138190062
Online Price: $1.49
Fine Throttle Regulating Spring (Governor Spring) for Honda GX200 & Clone Engines
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Description

Fine Throttle Regulating Spring (Governor Spring) for Honda GX200 & Clone Engines – Secondary Throttle Safety Support


The Fine Throttle Regulating Spring, also known as the Governor Spring, applies tension within the stock throttle linkage or aftermarket top plate systems. It plays a critical role in helping regulate throttle response and safely return the throttle to idle, especially in performance karting applications.


In racing setups, this spring is often used as a secondary throttle return spring, required by some tracks and sanctioning bodies to prevent uncontrolled wide-open throttle situations if the primary spring fails. When paired with a top plate and performance throttle linkage, it ensures smooth, responsive, and safe operation.


Key Features:

  • Acts as a fine regulator for throttle return
  • Commonly used as a secondary return spring in karting
  • Improves throttle control and safety
  • Compatible with stock and performance linkage setups


Compatible Carburetors:

Fits most popular clone-style 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


Upgrade or replace your governor spring for improved throttle safety and responsiveness—especially important in competitive or high-RPM applications.

FAQ

Q1: What does the Fine Throttle Regulating Spring do?
A1: It maintains tension on the throttle linkage and governor system, helping regulate throttle movement and ensure the throttle closes properly when released.


Q2: Is this the same as a governor spring?
A2: Yes, it's often referred to as a governor spring, especially when used in stock engine configurations. In performance karting setups, it's used as a fine throttle return spring.


Q3: Why would I need a secondary throttle return spring?
A3: Some tracks and sanctioning bodies require two throttle return springs to prevent the engine from going wide open if the primary spring fails. This spring serves that safety role.


Q4: What carburetors does this spring fit?
A4: It fits most clone-style carburetors, including Tillotson PK-1, Huayi, Ruixing, and SP Clone models.


Q5: Which engines is this spring compatible with?
A5: It works with Honda GX200 and Clone engines, including Predator 212 (Hemi & Non-Hemi), Predator 224 Non-Hemi, Tillotson 196/212, Ducar 196/212/224, Box Stock Project 196, and Wildcat 223.

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