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

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?

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