suggestions

So, I recently bought this kit: https://www.gasbike.net/collections/bicycle-engine-kits/products/79cc-monster-90-bike-engine-kit-complete-4-stroke-kit I threw it on a brand new beach cruiser and it was riding fine for a day or two. Then the chain tensioner came loose and broke my spokes. (I'm...

Glorious hard learned tips of the build and trial runs. Bullet key for those that don't know bullets points. - Means main idea at hand -- means sub topic to last main idea. [I offer this as help. Following my lead is at your own risk. I assume no responsibility for how you interpret my...

Hello, my name is Josh and I live in California, I have been interested in motorbikes for a month now but haven't been able to actually start to build one, I was looking around for any forums about motorbikes and found this. My question is if anybody could suggest any bike and motor kit that...

So I currently got myself a motor bicycle.. sadly i had someone install it for me due to my lack of knowledge.. sorry to dissapoint all you diy guys... n e ways, i currently only have pinch breaks on this bad boy, i've realized that i need to upgrade my breaks ASAP.. however i don't have...

I've never modded a bike before, but I'm planning on motorizing one this winter. I'm just looking for some suggestions on some ideas I've been having on how to go about this project. My plan is this: mount a high cc chainsaw motor (no I'm not using the standard kits for this) over the back tire...