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Tillotson HL-166B/Comer Throttle Cable Swivel Arm Assembly
889K Comer Throttle Cable Swivel Arm Assembly
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Tillotson HL-166B/Comer Throttle Cable Swivel Arm Assembly

Part Number: 889K
Online Price: $7.95
EC 889K Throttle Cable Swivel Arm Assembly – HL-166 Adaptable Kit
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Description

EC 889K Throttle Cable Swivel Arm Assembly


Adaptable Throttle Control for Tillotson HL-166 & Custom Builds


The EC 889K Throttle Cable Swivel Arm Assembly is purpose-built for Tillotson HL-166 carburetors, commonly found on Comer kart racing engines. Unlike many HL carburetors, the HL-166 lacks a factory throttle arm—so this kit includes a steel mounting bracket that bolts directly to the throttle shaft, allowing you to securely attach the swivel arm and throttle cable.


Whether you're working with a Comer engine, a custom small engine build, or a modified carburetor, the 889K offers adjustable throttle cable positioning and reliable performance in high-vibration, high-RPM environments. It shares the same precision swivel mechanism as the trusted EC 885K, but includes the added mounting bracket for throttle shaft adaptation.


Key Features:

  • Designed specifically for Tillotson HL-166 carburetors (Comer kart engines)
  • Includes stamped steel throttle shaft bracket and swivel assembly
  • Provides a secure, adjustable throttle cable connection
  • Ideal for custom applications or carburetors without built-in throttle arms
  • Helps fine-tune cable articulation and pull direction


What’s Included:

  • EC Throttle Cable Swivel Arm (same as 885K)
  • Stamped Steel Bracket for Throttle Shaft Mounting
  • Set Screws, Washers, and E-Clip for secure installation


Built for Flexibility and Performance

The EC 889K makes it easy to adapt your throttle setup—even on carburetors that lack a built-in arm—giving you the freedom to route your cable cleanly and maintain precise throttle control in a variety of engine orientations.


Perfect For:

  • Comer-powered race karts using HL-166 carburetors
  • Mini bikes, drift trikes, and custom small engine builds
  • Modified carburetors needing an aftermarket throttle arm solution

FAQ

1. What carburetors is the 889K designed for?

The 889K is designed for Tillotson HL-166 carburetors, which are commonly used on Comer kart racing engines. It can also be used on other HL-style carbs without a built-in throttle arm.


2. What makes it different from the 885K kit?

The 889K uses the same swivel mechanism as the EC 885K but includes a stamped steel bracket that mounts to the throttle shaft, allowing use on carburetors that don’t have a throttle lever from the factory.


3. Can it be used for custom or modified carb builds?

Yes. The 889K is ideal for custom small engine builds, especially when adapting or modifying carburetors that require a throttle pull mechanism to be added externally.


4. What’s included in the kit?

The 889K includes:

  • 1x EC throttle cable swivel arm
  • 1x Stamped steel throttle shaft bracket
  • 2x Set screws
  • 1x E-clip and washers


5. Is this assembly reusable across engines?

Yes. The parts are durable and reusable, making them suitable for multiple applications or engine setups where carburetor orientation or configuration changes.

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