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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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05-27-2013, 06:28 PM | #1 |
Not Yet Wild
Join Date: May 2013
Posts: 12
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Gas 2 Stroke 1982 EZGO Marathon won't run
I have a 1982 EZGO Marathon 2 cycle that won't run. I pulled the carb and saw that it was't getting gas. I replaced the carb, fuel lines and fuel pump and now it's getting gas. I replaced the spark plug and spark plug wire and am getting spark. When I step on the gas the starter turns the engine but it won't start up. Any thoughts???
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05-27-2013, 06:31 PM | #2 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
What is the compression reading? When you say it is getting gas, do you mean to the carb bowl, or to the spark plug?
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05-27-2013, 06:35 PM | #3 |
Not Yet Wild
Join Date: May 2013
Posts: 12
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
How do check the compression? I see gas at the choke plate and the spark plug.
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05-27-2013, 06:47 PM | #4 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
You need a compression tester. You can quickly see if it has any compression at all by removing the plug, and placing your thumb over the plug hole(not in the plug hole) while cranking the motor.
Is the plug extremely wet? |
05-27-2013, 07:06 PM | #5 |
Not Yet Wild
Join Date: May 2013
Posts: 12
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
I pulled the plug, it pushes air out with good force. The plug is very wet
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05-27-2013, 07:08 PM | #6 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
Good, that means you have some amount of compression.
When you replaced the carb, did you look at the reeds and see if they are closing correctly? If they don't close, you will feel air being pushed back out of the carb intake. |
05-27-2013, 07:10 PM | #7 |
Not Yet Wild
Join Date: May 2013
Posts: 12
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
Stupid question, what is a reed?
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05-27-2013, 07:14 PM | #8 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
The reed cage holds the reeds. The cage is between the carb and the motor. It will be rectangular in shape.
There are no stupid questions except for those not asked. |
05-27-2013, 07:15 PM | #9 |
Not Yet Wild
Join Date: May 2013
Posts: 12
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
How and when do they close? How to I check?
There was some fuel in the air filter hose (A decent amount). Does that mean it's pushing fuel out? |
05-27-2013, 07:24 PM | #10 |
Gone Wild
Join Date: Oct 2010
Posts: 6,730
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Re: Gas 2 Stroke 1982 EZGO Marathon won't run
There shouldn't be any fuel in the intake hose.
The carb is attached to an intake manifold. The manifold is attached to the motor with 4 bolts. Use a 10mm wrench/socket to remove the 4 bolts and take the manifold off. Between the manifold and the cylinder is the reed cage. You should be able to pull it out of the cylinder. The reeds are the 2 stainless steel pieces. They act as a one-way valve for the fuel. They should be closed, or almost closed at rest. The movement of the piston makes them open and close. When the piston goes down, they open because it creates a vacuum. When the piston rises, they close. |
Tags |
2 cycle, ezgo, gas, marathon |
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