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Videos: Razor Dirt Bike modding for weight savings and speed featuring Hart drill batteries

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I recently purchased a Razor dirt bike to mess around with. They are under 500 bucks on Amazon and I figured I could make it fun with a bit more investment and using what I had on hand via the easiest means possible. Part 3 went off the rails, but that's ok. It was worth it.

Here are the videos I posted on its progress.

It is a beast now.

Part 1 -Overview and battery swap from stock lead acid batteries to a 40volt Lithium Hart tool battery.

Part 2 -Streamlining and discussing next steps

Part 3 -After installing the upgraded motor and controller and before and after riding videos

Part 4 -Additional details about how I am connecting the Hart batteries together and discussion about my custom made battery and how I messed up building it.

Part 5 -I have constructed a new self built battery with higher amperage cells and better overall construction. This is a battery discussion and show and tell of what I have created.