new & need help!!!!

Hello, I need help finding what drive chain size I need for my dads 1974 Honda st90 that’s been sitting in the garage for 30 or so years, driving this thing is a blast! But every time I take it out something new breaks this time I noticed a link that was about to give out but I’m having a hard...

Hi, new member here. I picked up a mini bike off CL a couple weeks ago that was just listed as a "baja mini bike". No plastic can, repainted with a rattle can, and needing some reassembly. I've concluded it's a baja warrior (MB165?), with a 196cc stock motor. I have most everything put back in...

I am a totally mini bike newbie just starting my first project. I Bought a DB30 with a predator already on it last summer, and I want to take the governor out, but I hear it's best to change out the rear sprocket to avoid falling on your ass? The current sprocket pretty much covers the whole...

Hi New here. I am currently building a mini bike but I need help with gear ratios and what number of teeth I should put on each sprocket. I need your help to determine what number of teeth I should put on my sprockets. Please can you suggest a number of teeth for each of the following...

Hello all, So here is my dilemma. I had a dynamark snow blower that worked flawlessly every time I started it. Got a new blower so transferred old tecumseh 5 hp into a cart frame. Now the darn thing wont start. I moved location of gas tank, but nothing else was changed. It will idle on full...

Hello, New to the mini bike sene.Was trying to research the bike I just got,But aint having much luck.Found this site.Hoping to find help here.I have a Montgomery Ward ex525 two speed.Would like to know who built it for them & type of engine.When I get some pics will load them. Have model &...