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

Many older 150cc models have zero wiring support.  Even manufacturers that are still in business sometimes refuse to produce wiring...
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BDX Heavy Duty GY6 Mount for Ruckus Installation Guide

Installing the BDX HEAVY DUTY GY6 mount for Ruckus NPS50 takes about 20 minutes with standard garage tools. For additional...
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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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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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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 to connect the Mikuni Fuel Pump (Honda Ruckus Swaps)

Fuel and vacuum line connection diagram for the Mikuni Fuel Pump used on Honda Ruckus GY6 swaps...
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How to bleed your brakes, without wasting hours of time

Here are two methods to bleed your brakes without pulling your hair out in the process. The fact that you’ve...
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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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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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Which Yerf Dog Spindles do I have?

Yerf-Dog made several design changes to the front-end of the 150cc Go-Kart series. Not all generations of Spindle and A-Arms...
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