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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