timing

I just bought a new/used Motorized Bicycle, the previous owner could not get it to run since day 1. It just runs a very little (if at all) that's about it. I was reading on this form a few things and so far I did change the spark plug, cleaned the gas tank, removed the exhaust pipe (it is...

Forgive laziness and grammar I did this once already and the site deleted. So my patience is limited now. So to begin my problem. The bike has 640 miles on this 7g kit. I was riding today and went through some roughish terrain. After that the bike idled down sharply. It didn't shut off but...

greetings all, I'm new to the whole motorized bike world, but my buddy, who is a licensed welder and mechanic looked at me a few weeks ago and said: "hey man, how fast do you think we can make your old bike go?" so i did a few weeks of research and came up with this list of mods to a grubee...