Motorizing Those Custom Frames That Seem Impossible

Take a look at this  bike. You probably see this and think, “Did they just weld the engine and tank to the frame?” Some have taken that approach, but a majority of the time it’s impossible to repair them once they’re permanently attached to a frame. So what are you supposed to do? You’ll need … Read more

Studs, Mounts, and Chains: Why You Can’t Keep Your Engine Mounted, and How to Fix It

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In these days of motorized bike builds you may notice that while performance has gone up, part quality has taken a little bit of a decline. Whether it’s a Grubee engine or a Power King motor, some engine kit manufacturers have exchanged performance for quality. Thankfully there are some ways to make sure that your … Read more

Mounting Engines: What to Watch Out for Before Your Next Build

Motorized bike builds are awesome: it’s all the fun of a moped or motorcycle without the weight, a special license, and insurance. But if you’ve built a few motorized bikes- or know anyone who has- chances are not every build was a piece of cake. If a frame is too big special mounts need to … Read more

Installing Your 2-Stroke Bike Engine Kit

Here we’ll instruct you on how to install a two-stroke bicycle engine kit on a bike. Now, before we even start, it’s important to know what you’re getting into and what you need to make sure installation goes as smooth as possible. First things first- The Bike: Even though the engine kit is made to … Read more

Dual Chain Transmissions Vs. Single Chain Transmissions: Do You Know What’s Driving Your 4-Stroke?

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It seems like 4-stroke bike engines transmissions are ever-changing- you never know what style of transmission you’re going to get. Grubee’s, for example, used to come with figure-8-shaped transmissions that required oil, then they changed it to a transmission that only requires a bit of grease. These days most 49cc 4-stroke bicycle engine kits come with … Read more

High Performance Parts: What’s Best for Your Engine?

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Performance parts: they make your motorized bike run smoother and faster. Who doesn’t love the roar of a long shot muffler, or the speed you get from a CNS carburetor? The only draw back to upgrading your engine is that like all motors with performance parts, the more parts you want the more parts you … Read more