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Post by rdhood on May 4, 2015 7:47:01 GMT -5
Here's the thing: when you really have no idea where a problem lies, it doesn't pay to get extra focused or obsessed on a solution that is not necessarily the problem.
I'm all for figuring stuff out, but here goes nothing: how about a new carb? About $25 , and you can swap the whole thing out and move on to the next problem. If you are trying to save money and learn something... by all means keep working at it. If you just want to ride it, though, swap that thing and move on.
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Post by lain on May 4, 2015 9:51:39 GMT -5
I was going to suggest getting a new carb if cleaning it didn't work out. Tvnacman sells legit Keihin carbs, why not get yourself one of those fancy KeiHins? They are great quality carbs and easy to tune every aspect of it.
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Post by onewheeldrive on May 4, 2015 13:03:10 GMT -5
Yeah I saw that you mentioned it in your first post. Maybe the float is set way too high? IDK.. |
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Post by rock on May 4, 2015 14:06:06 GMT -5
Here's the thing: when you really have no idea where a problem lies, it doesn't pay to get extra focused or obsessed on a solution that is not necessarily the problem. I'm all for figuring stuff out, but here goes nothing: how about a new carb? About $25 , and you can swap the whole thing out and move on to the next problem. If you are trying to save money and learn something... by all means keep working at it. If you just want to ride it, though, swap that thing and move on. I completely understand where you're coming from. If cleaning it another time doesn't do the trick I'll take your advice and drop the 25 on the new one |
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Post by onewheeldrive on May 4, 2015 14:55:56 GMT -5
Just to get an idea, have you done anything besides focus on the carb?
Make sure all your hoses are intact and clamped down. Check the air filter condition. Look for gas leaks. Look for any wires that may be corroded in the ignition system. Check the green ground wires. Pull the exhaust off and make sure the gasket is there. Adjust the valves. Check and replace the engine and gear oil.
What spark plug is in there?
If it sat a year that's stuff you should look at.
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Post by rock on Jun 14, 2015 18:57:44 GMT -5
Hey guys. Thanks for all your help. I ended up purchasing a new carb. My scooter ran great....until yesterday when I filled the tank 3/4 of the way up. Now it won't start at all. I'm getting a clean spark and it initially started up just fine but bogged out as soon as I took off. I didn't have a vent hose (the port nearest the diaphragm and needle cap) before and it was totally fine....now there is fuel coming out of that port when I turn the engine over. I am absolutely clueless and honestly a but frustrated that filling up on gas caused an issue like this. Do you guys have any idea what might be my problem?
By the way, when I throw a vent hose on there, it doesn't fill up with gas and the engine still doesn't turn over
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Post by rock on Jun 14, 2015 22:02:06 GMT -5
Hey guys. Thanks for all your help. I ended up purchasing a new carb. My scooter ran great....until yesterday when I filled the tank 3/4 of the way up. Now it won't start at all. I'm getting a clean spark and it initially started up just fine but bogged out as soon as I took off. I didn't have a vent hose (the port nearest the diaphragm and needle cap) before and it was totally fine....now there is fuel coming out of that port when I turn the engine over. I am absolutely clueless and honestly a but frustrated that filling up on gas caused an issue like this. Do you guys have any idea what might be my problem? By the way, when I throw a vent hose on there, it doesn't fill up with gas and the engine still doesn't turn over correction* it does turn over but does not start |
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Post by lain on Jun 14, 2015 22:58:14 GMT -5
Hey guys. Thanks for all your help. I ended up purchasing a new carb. My scooter ran great....until yesterday when I filled the tank 3/4 of the way up. Now it won't start at all. I'm getting a clean spark and it initially started up just fine but bogged out as soon as I took off. I didn't have a vent hose (the port nearest the diaphragm and needle cap) before and it was totally fine....now there is fuel coming out of that port when I turn the engine over. I am absolutely clueless and honestly a but frustrated that filling up on gas caused an issue like this. Do you guys have any idea what might be my problem? By the way, when I throw a vent hose on there, it doesn't fill up with gas and the engine still doesn't turn over correction* it does turn over but does not start If you didn't clean your tank you might want to do that. You said it sat for a year, then you had carb issues, then the new carb is having issues, I suspect the fuel has been contaminated or the petcock may have gunk in it. Try starting without the gas cap though, make sure it isn't vacuum related. |
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Post by geh3333 on Jun 15, 2015 12:32:23 GMT -5
Hey guys. Thanks for all your help. I ended up purchasing a new carb. My scooter ran great....until yesterday when I filled the tank 3/4 of the way up. Now it won't start at all. I'm getting a clean spark and it initially started up just fine but bogged out as soon as I took off. I didn't have a vent hose (the port nearest the diaphragm and needle cap) before and it was totally fine....now there is fuel coming out of that port when I turn the engine over. I am absolutely clueless and honestly a but frustrated that filling up on gas caused an issue like this. Do you guys have any idea what might be my problem? By the way, when I throw a vent hose on there, it doesn't fill up with gas and the engine still doesn't turn over correction* it does turn over but does not start If you have a gravity fed system , you need to check the vacuum operated fuel valve. It may be gummed up . if its a fuel pump , well the same issue , it may be gummed up . you should have replaced all the fuel lines and checked the valve or pump already , but if not , then that may be the issue. And do what lain said , empty the tank and flush it with some good gas. |
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Post by rock on Jun 15, 2015 13:05:28 GMT -5
I've already cleaned the tank. I will try cleaning the petcock but I'm still confused as to how gas was ejecting from that vent port at the top
Yes,I have replaced all lines that fuel sat in as well as the filter
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Post by geh3333 on Jun 15, 2015 14:04:59 GMT -5
I've already cleaned the tank. I will try cleaning the petcock but I'm still confused as to how gas was ejecting from that vent port at the top Yes,I have replaced all lines that fuel sat in as well as the filter Sorry , I should have read more. So fuel was shooting from the top of the carb ? |
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Post by geh3333 on Jun 15, 2015 14:07:13 GMT -5
If that's the case , check your float needle valve. Its not sealing
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Post by lain on Jun 15, 2015 14:27:21 GMT -5
I thought he was talking about the tank vent?
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Post by keikara on Jun 15, 2015 14:57:22 GMT -5
Also if you have the stock air box, check the tube from the carb to the box that rubber air hoses like to crack and break, but is not noticeable until you remove and check. I found this out the hard way replaced my motor and carb and could not get it to adjust properly, turned out the carbs were not the best but was also the air tube was garbage and was letting in too much air. I do know the carbs were bad due to even when I got an uni filter, I still could not get it to adjust right, once I put a quality carb on has been 100% better, sill tuning the carb in but can actually ride now.
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Post by rock on Jun 15, 2015 16:04:17 GMT -5
The vent is the vent port on the carb. I believe I have isolated the problem, I am getting vacuum from the engine but it is not bringing fuel through the petcock and into the filter. I have cleaned the petcock now and that didn't help. This confuses me because it was working just fine before I filled up on gas again
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