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

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

Friction Drive vs. Standard Drive: What Works Best For You?

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We often hear people ask, “What’s the difference between a regular bike engine kit and a friction drive engine? And how will I know what’s going to work for me?” To answer that question there are a few things to consider: the mounting, sizing, and running of these engines. Through building and running each style, here’s what we’ve … Read more