hey everyone...I just have a few questions to ask!

me and my friends have been making Motorized Scooters lately. My friend recently made his with a refirbished 25cc engine, and it works great. So I decided to make one myself using his exact same plans. Took about 2 days to finish, and was a fun project. I also purchased an older Craftsman 25cc Weedwacker engine but had never been used. So I installed everything correctly, filled it up and decided to take it for a rip. Now the problem I'm having is that it runs non-stop on full choke, but then when i switch to half or OFF choke, it ends up dieing on me...now on the back of my engine I have an orange knob that I don't know adjusts either the gas or air flow? And then the idle knob..I tried fiddling with both but I can't get it to work! From what i'm getting...when it is on Full choke it seems to run really good..and thats gas only. But I guess no choke means too much air is coming into it???

If anyone can give me some suggestions to help me out, that'd be awesome. I had it running by itself on OFF choke before so it worked, so any help.

Thanks guys!
-Craig

It's not getting enough fuel. Could be your fuel, fuel tank, or needle valve? Did you have a return fuel line and what did you do with it?

Good luck,

Jim

"I also purchased an older Craftsman 25cc Weedwacker engine but had never been used."

Your problem could be a dried out diaphram. Take the model # and go to Sears and purchase a carb kit. You can also get the carb # and go to a small engine shop for a kit.

Thanks guys..I'll take it to sears and see what I can do..although its in a lot of piece and Bicycle Peg welded onto the driveshaft

Your motorized scooter sounds interesting. Where did you get the plans? Can you pass them along?

Thanks

Paul

Gee I have been wondering what to do with that 90cc chainsaw engine I just picked up the other day! Yep if it runs on choke and not off choke your not getting fuel somehow.

go to http://www.webspawner.com/users/lonnyfincher/
plans