advice

The engine kit I purchased, which I've ran on 2 bikes (Currently on my profile photo) It has the standard/older style fuel tank requiring the female style petcock. The original leaked and the seal became useless. I ordered another. I apply thread tape to the tank to help with a better seal...

I'm very new to motorized biking, having just finished turning an old 90's mountain bike into a speed demon. (or at least I hope it will be) The kit I got was a pretty standard 49cc 4 stroke from ebay. The biggest problem I've had so far is the chain that connects the belt drive to the sprocket...

So yea, my 66cc chinagirl engine breaks like clockwork every 3 weeks or so, never the same thing twice, but always something new to fix, and I'm sick of it. Plus it's really underpowered and has no hill climbing power and (at least in my opinion) pretty mediocre speed. So, I want to swap it out...

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...

Hey guys, I'm Steve. I hope you can help me get a bike and get riding! I'm brand new, but I'm extremely interested. Just saw a motirized bike for the first time a couple days ago and am wanting to put one together myself. My problem is that the more research and digging I do, the more...

So I'm not to familiar with combustion engines of any kind, and well I purchased an 80cc gas powered engine from ebay and a bike from walmart. I paid my friend to assemble the bike, I have owned it for about a month and about a week ago i was headed to work which is about 4 miles from my house...

You know most of us do things eventually to modify the bikes for the better or worse. It would be a nice gesture if we stick them out there for others to see. Take this one for what it is worth. The clutch lever in my kit was trash from the first. I never could make it work worth a...