3 months ago

Automotive 49cc motorized bike 49cc engine install beach cruiser motorized bike rear wheel mount engine rear mount motorized bike kit motorized bicycle build 49cc beach cruiser motorized cruiser bike DIY motorized bike 49cc engine swap

jackshaft kit, 29er mountain bike, bike build, mountain bike drivetrain, custom bike
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In this video, I take a classic beach cruiser and give it some serious muscle by mounting a 49cc rear wheel engine — a big step up from the usual 36cc setup. I walk through how I installed the rear mount plates, got the engine lined up, and made the cruiser ready for some real road action.

If you’re into DIY motorized bike projects, engine swaps, or just love seeing a simple ride get a big performance upgrade, you’ll enjoy this build.

What’s Covered in This Video:

Installing rear mount plates on a beach cruiser

Swapping from a standard 36cc to a 49cc engine

Tips for alignment and chain setup

First impressions after the upgrade

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