• How to use an American-made BDX wiring harness on your 150cc Chinese engine

    How to use an American-made BDX wiring harness on your 150cc Chinese engine

  • BDX HD Upgrades seeing a 2017 CNC overhaul

    BDX HD Upgrades seeing a 2017 CNC overhaul

  • Don’t make this mistake when installing new shock absorbers

    Don’t make this mistake when installing new shock absorbers

  • How to connect the Mikuni Fuel Pump (Honda Ruckus Swaps)

    How to connect the Mikuni Fuel Pump (Honda Ruckus Swaps)

  • BDX Heavy Duty GY6 Mount for Ruckus Installation Guide

    BDX Heavy Duty GY6 Mount for Ruckus Installation Guide

  • GY6 Carburetor Float Level Adjustment Guide

    GY6 Carburetor Float Level Adjustment Guide

  • 150cc 3-wire Ignition Switch Pinout (Crossfire 150 and 150R)

    150cc 3-wire Ignition Switch Pinout (Crossfire 150 and 150R)

  • BDX 11-pole Stator Plug-n-Play Adapter Installation

    BDX 11-pole Stator Plug-n-Play Adapter Installation

  • How to bleed your brakes, without wasting hours of time

    How to bleed your brakes, without wasting hours of time

  • GY6 Swapping The Honda Ruckus: What To Expect From Your Swap

    GY6 Swapping The Honda Ruckus: What To Expect From Your Swap

How to install the BDX Honda Ruckus GY6 Swap Harness

This guide is for version 3.0 of the BDX swap harness.  Installation time is about 1 hour. The BDX harness...
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150cc GY6 Stator Installation Guide

Installing an upgraded stator is a great way to get additional power for stronger lights or to boost your charging...
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Pinout Diagram of the “DC” CDI

Ignition systems that use a “DC” powered ignition box are pretty rare.  Even so, we get a lot of questions...
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How the CVT Transmission System works

Use our interactive CVT diagram to learn how your CVT Transmission works. Raise and lower the RPM of your virtual...
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150cc GY6 Carburetor Cleaning Guide

If your carburetor is feeling a little congested, we have the remedy. Carburetor cleaning procedure Before taking anything apart, be...
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How it’s Made! New Yerf Dog Brake Caliper w/ Parking Brake

Welcome to the very first article in our new How It’s Made! series.  These articles will serve as “build threads”...
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How to get an engine for your Crossfire 150R

If you’ve been having a hard time finding a replacement engine, you’re not alone in the struggle.  The newer engines...
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Yerf Dog 150cc Wiring Diagram (Go-Kart)

To download, right click and press “Save as…” Ignition Parts Stator (1 winding +Trigger wire) Ignition Coil CDI Box Spark...
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Want big power? GY6 Big Bore & Stroker Explanation

A detailed explanation of engine displacement and the relationship of “bore x stroke” to the power production of your engine...
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How it works: 150cc GY6 Automatic Choke

We frequently receive questions about how the auto-choke and its operating needle work.  It’s a convenience that gets a bad...
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