engine advice

Hello, I’m currently building a 212 non hemi and have ran into some issues with my piston to Valve clearance.. I aligned the cam dots and put the side cover on, put in my pushrods and spun the engine over and my piston is hitting the valves, I personally think my pushrods are way too long (...

Hello All, I need some help and advice from the masters on this page. While I am not a novice when it comes to small engines, this is the most in depth I have gone working on one. Here is what's up: I got this 70s ARCO E-Z Rider from my mother in law 13-ish years ago. It is a H30 -35176J -...

Hello everyone, I'm new to this thread and to minibikes in general, so I'll try to include as much info as I can. I have a Coleman CT200u 196cc 6.5 HP minibike, that is about a year old and maybe about 25 miles on it, so relatively mint condition. For the first few months when I rode it...

I recently purchased a baja mini bike db30 the guy told me it had sat for 2 yrs so first thing i did was drain and fill the fuel and checked the spark plug, afterwards ot was able to start but then the engine would only run with the choke on, i then removed the carb cleaned it completely and it...

Working through Efenel Mini bike project and trying to decide on a engine that will allow me to ride in different mini bike events, but also something my 11 yr old son could have fun on. The current motors I was considering were a Predator, Briggs Animal 206, or Briggs Raptor model 133230...