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Post by kxj5906 on Feb 18, 2014 12:25:21 GMT -5
I have a 2008 TGB 49cc 101S off road sport scooter. It sat for a year in storage and now won't start unless I spray some carb spray in the air cleaner. It just seems to not get fuel. I bought a aftermarket fuel filter and gas won't go into it.
The Scooter has 1100 miles. The battery is fine. The carb might need cleaning but I'm not sure why it's not getting gas.
Gas is been changed out with new. Lines look good. Not sure if clogged, but I will clean the carburetor. It ran fine last year. Do I need another fuel filter?
What are your guys thoughts? Please help.
Thank you.
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Post by chris5527 on Feb 18, 2014 18:13:08 GMT -5
I have a 2008 TGB 49cc 101S off road sport scooter. It sat for a year in storage and now won't start unless I spray some carb spray in the air cleaner. It just seems to not get fuel. I bought a aftermarket fuel filter and gas won't go into it. The Scooter has 1100 miles. The battery is fine. The carb might need cleaning but I'm not sure why it's not getting gas. Gas is been changed out with new. Lines look good. Not sure if clogged, but I will clean the carburetor. It ran fine last year. Do I need another fuel filter? What are your guys thoughts? Please help. Thank you. have you checked the nipple on the tank to make sure it wasnt clogged and not allowing fule to flow in the lines? |
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Post by alleyoop on Feb 18, 2014 18:40:09 GMT -5
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Post by chris5527 on Feb 18, 2014 20:44:15 GMT -5
very nice write up but op said he cant get fuel to flow into the filter whice leads me to think tank is clogged. Or possibly the fuel cap isn't venting? Just suggestions though im no pro. |
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Post by alleyoop on Feb 18, 2014 21:21:42 GMT -5
You must of not read the write well enough. It takes many many years to become good at things if your willing to learn.
Remember you have 4 basic systems that any motorized vehicle needs to run and move. Each system has many parts to make that part of the system do its job. A good mechanic needs to know each system and each part within that system.
Then knowing the symptoms each part can cause is the key to Diagnose which system is causing a certain problem. Then it is just a matter of testing each part of the system to find the culprit. If you do not know the symptoms a part can cause you are just a part re-placer.
Alleyoop
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Post by chris5527 on Feb 18, 2014 21:58:26 GMT -5
You must of not read the write well enough. It takes many many years to become good at things if your willing to learn. Remember you have 4 basic systems that any motorized vehicle needs to run and move. Each system has many parts to make that part of the system do its job. A good mechanic needs to know each system and each part within that system. Then knowing the symptoms each part can cause is the key to Diagnose which system is causing a certain problem. Then it is just a matter of testing each part of the system to find the culprit. If you do not know the symptoms a part can cause you are just a part re-placer. Alleyoop ill go back and read it again im still in the learning stage on these bikes myself, just seemed like a good place to start being that the bike has sat and anything floating in the tank would migrate south. It was just my 2 cents. |
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Post by kxj5906 on Feb 18, 2014 22:51:33 GMT -5
Thanks. I will check the tank and see if anything is clogged in there.
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Post by alleyoop on Feb 18, 2014 23:39:17 GMT -5
Sure thing go and re-read the write up and let me know if I missed something so I can update it.
Alleyoop
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Post by kxj5906 on Feb 19, 2014 19:12:25 GMT -5
tank looks clean the gas comes out clean. It must be the fuel pump. I tried to blow a little air n clear it hooked back up the lines but no gas floes.
Any idea how to fix the fuel pump?
P.S. Is the fuel pump also known as the petcock? Should I just replace it?
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Post by chris5527 on Feb 19, 2014 21:55:15 GMT -5
tank looks clean the gas comes out clean. It must be the fuel pump. I tried to blow a little air n clear it hooked back up the lines but no gas floes. Any idea how to fix the fuel pump? P.S. Is the fuel pump also known as the petcock? Should I just replace it? yes sir its the petcock you can get them cheap on eBay or get a manual one from a parts store. If you go that route make sure to shut it off when not ridding so you dont flood it. |
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Post by alleyoop on Feb 19, 2014 22:17:51 GMT -5
If the Gas Tank is higher than the Carb it is a PETCOCK if the tank is lower than the Carb it is a FUEL PUMP.
Alleyoop
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Post by kxj5906 on Feb 26, 2014 20:21:36 GMT -5
I replaced the fuel lines and petcock today and still won't get gas flowing through... =(((
Any ideas?
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Post by alleyoop on Feb 26, 2014 21:32:39 GMT -5
Where is the fuel NOT flowing to?? You said the fuel flows out of the tank.
That means the fuel goes to the petcock, and you replaced the petcock
It could be as simple as the Vacuum line going to the Petcock is cracked and leaking and it will not open the diaphgram in the petcock to allow fuel to flow through it.
Do this and get back:
1. Take the hose off the carb and stick it in a container and crank the motor over.
a. DOES THE FUEL STREAM OUT?
2. If no gas comes out then you either have the hoses connected wrong or no vacuum due to vacuum hose cracked,
3. Only other thing is the motor is not creating enough suction and or you have a very bad vacuum leak.
Best thing to help you and find your problem is take a picture of the carb area and the hoses and petcock.
Alleyoop
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Post by kxj5906 on Feb 27, 2014 9:19:34 GMT -5
Could I just connect the fuel line directly to the carburetor and fuel filter and bypass the petcock?
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Post by alleyoop on Feb 27, 2014 14:18:44 GMT -5
Not a good IDEA , then you will have a constant stream of fuel possibly overfilling the carb bowl and you may have gas all over the floor and on the motor overnight and a empty gas tank and if something is still hot you will have a fire.
I will ask again PLEASE take some picture of the carb area and hoses and the petcock so we can get you setup right.
Alleyoop
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..BAD TO THE BONE..