Recent content by bross1004

There is a harbor freight about 45min away from me. You think they would carry the right size adapter? I figure if I can get a compression tester, test compression, and double check that the valves are closing completely, I can ensure that I am not tearing the top end apart for no reason. Its...

I rented a compression tester from the local auto parts store, but they didn't have a fitting the correct size for the smaller spark plug hole. There were all screw in type. I am assuming that is the only type, just different sizes. Nobody there knew where to find a size smaller than what they had.

I was afraid you were gonna say that. What would cause the rings to go out like that? Like I said, it was running fine when I parked it. Ran like a champ with no issues. Sat for a couple months, and now all of this. Any ideas why? I don't want to go through the hassle of taking that engine out...

First of all, good point about the exhaust point. Shoulda thought about that one before I opened my mouth. Where can I get a compression tester for these little engines? As far as comparing compression, I was comparing it to my daughters 50cc four wheeler that runs great. Had less compression...

Update: Tried the oil in the spark plug. Compression seems a little bit stronger, but still seems weaker than it should be for a 125cc engine. So I tested a theory and I hope I didn't mess anything up by doing this.... in tinkering I discovered that the two bolts holding the exhaust against the...

So put some oil in the spark plug, put plug back in, try to start it a couple times to get the cylinder lubricated, and then test compression again?

Here are two pics of the engine. Hope this helps. As you can tell I have the spark plug removed and air filter is not hooked up at the moment, but still shows the engine.

The go kart is a key start, not a pull start, and I don't want to open the wrong thing up. Where on the engine should this starting mechanism/housing be located? Its on the same side as the starter motor right? I know this should be real basic, but I am not very good with these small engines and...

Fabroman, could what you are talking about cause it not to start just because it sat for a couple months? I did notice that when I pulled the little circle cover off the exhaust valve there seemed to be a lot of oil on the inside of it. What exactly is compression release? I don't know much...

So I am pretty sure it has lost compression. Just doesn't feel strong enough when I put my finger over the spark plug hole. It won't start even when I put starter fluid in the cylinder either. I'm wondering if the rings are just that shot that its not compressing anything, or if the exhaust...

Well, I checked spark on the plug, and I have blue spark. I did finger over the plughole test for compression, and if I hold my finger over it tightly, its not that strong, but if I bring my finger about 1/8th" off of the plughole, it seems pretty strong. Almost tries to suck my finger onto the...

I checked the screen in the tank and it is clean. I am getting gas out of the tank, I pulled the fuel line off the carb and gas is flowing out with the shutoff valve open. I tried spraying starter fluid and carb cleaner in the cylinder and it still won't fire, which really makes me wonder. I...

I parked the go kart about three months ago because of a messed up tire. Was running fine at that point. Forgot to run the carb dry, so when I replaced the messed up rim and tire, I cleaned the carb really well. Still wouldn't start. It would start off of carb cleaner sprayed directly in the air...

I am planning on trying to trade up into a bigger buggy. This hobby is addicting. I have a little yerf dog kart right now, and the front end just can't handle two adults and all the bouncing around on our property. So I am gonna try to trade up into a bigger buggy and then build the engine and...

Fabroman, the biggest thing I am now worried about is the clutch. I started this go-kart thing completely uneducated, and have been doing a lot of research on this forum. I do not ride the kart on paved roads at all. I have 5 acres with plent of trees to dodge, and only one area where I would be...