How to Install a Throttle Cable into a Koso Slide Carburetor

How to Install a Throttle Cable into a Koso Slide Carburetor

Introduction:

This guide will instruct you on how to install a throttle cable into a Koso slide carburetor. This carburetor requires a different style throttle cable than is normally found on a stock buggy. You can purchase the correct throttle cable for the Koso carburetor from Buggy Parts NW by clicking this link.

Tools:

Philips Screwdriver or metric Allen wrench.

(Note: In the images in this tutorial, we have replaced the philips-head screws with socket head screws for easier access and removal. You can purchase these screws for your carburetor here.)

Image 1: Koso Slide Carburetor
Image 1: Koso Slide Carburetor

Installing the Throttle Cable

Image 2: Remove black piece.
Image 2: Remove black piece.

1. Remove the black piece covering the brass fitting at the top of the carburetor.

Image 3: Remove two screws from top plate.
Image 3: Remove two screws from top plate.

2. Remove the two screws holding the top plate on the carburetor.

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Images 4 & 5: Remove spring and slide assembly.
Images 4 & 5: Remove spring and slide assembly.

3. Gently remove the top plate and lift out spring and slide assembly. Be careful to not tear the gasket between the carburetor body and top plate.

Image 6: Insert throttle cable through black piece.
Image 6: Insert throttle cable through black piece.

4. Slide the black piece you removed in step 1 over the small end of the throttle cable end and move it up onto the black portion of the cable.

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Image 7: Slide small end of throttle cable through brass fitting.
Image 7: Slide small end of throttle cable through brass fitting.

5. Insert the small end of the throttle cable through the brass fitting in the top plate.

Image 8: Compress the spring.
Image 8: Compress the spring.

6. Hold the top plate and spring assembly in one hand. Compress the spring to allow the cable end to extend through the plastic piece at the end of the spring.

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Images 9 & 10: Insert and seat cable into slide assembly.
Images 9 & 10: Insert and seat cable into slide assembly.

7. Insert the cable end into the aluminum slide piece and hook it into the small circular groove.

Image 11: Spring assembly locking cable inside slide assembly.
Image 11: Spring assembly locking cable inside slide assembly.

8. Release your grip on the spring and allow the spring and plastic piece to lock the cable in place inside the slide. Then insert the whole slide/spring/cable/top plate assembly into the carburetor.

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Images 12 & 13: Reattaching top plate.
Images 12 & 13: Reattaching top plate.

9. Attach the top plate and tighten the screws.

Images 12 & 13: Reattaching top plate.

10. Push the black piece from Step 1 down over the cable and brass fitting and twist it until it covers the base of the brass fitting.

Images 16 & 17: Installed throttle cable.

11. Your throttle cable is now installed!

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