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-   -   1986 ezgo will not start (https://www.buggiesgonewild.com/showthread.php?t=101194)

Dar Gin 12-05-2014 05:53 PM
1986 ezgo will not start
 
I have good fire , have 135-140 lbs. compression. New spark , new coil new igniter carb kit installed in carb.
.will flood out engine block. Will only pop doesn't even try to start.
should the hole under the fuel pump blow or suck

cart around 12-05-2014 07:30 PM
Re: 1986 ezgo will not start
 
It should do both. When blowing, it should push your finger off pretty good.

You said flooded engine block. Since you have the fuel pump off, take it apart, and check the lower diaphragm for rips.

Looking at everything that you have listed, you are down to fuel pump, and crankshaft seals.

sccowboy 12-06-2014 10:58 PM
Re: 1986 ezgo will not start
 
Agree with Cart..... The fuel pump diaphragm is probably leaking fuel back into the block. Crankcase pressure pulses drive the pump.

Dar Gin 12-07-2014 04:42 PM
Re: 1986 ezgo will not start
 
Will look , but has a new fuel pump kit installed.
Thank You
With fuel pump on , it will not suck in at carb.

cart around 12-07-2014 05:06 PM
Re: 1986 ezgo will not start
 
No suction at the carb would make me think that the piston is in backwards, or the crankshaft seals are junk.

Was this a recent rebuild?

Dar Gin 12-07-2014 07:33 PM
Re: 1986 ezgo will not start
 
piston and rings replaced, installed piston with hole to carb side.

cart around 12-07-2014 08:10 PM
Re: 1986 ezgo will not start
 
Did you align the end of the rings with the little pins in the ring grooves?

What was the result of putting your finger over the fuel pump hole while turning it over? Good pressure, or very little?

If the rings are on right, it screams crankshaft seals.

EDIT: The rings also have a bevel side that goes up.

Dar Gin 12-07-2014 08:43 PM
Re: 1986 ezgo will not start
 
rings line up with notches , bevel side up. blows good pressure , but with fuel pump off and hole open sucks good , if I put my finger on hole no suction
Thanks for the help.

cart around 12-07-2014 08:49 PM
Re: 1986 ezgo will not start
 
I'm sticking with crankshaft seals.

Dar Gin 12-07-2014 08:51 PM
Re: 1986 ezgo will not start
 
is there any tested I could do before I pull engine again ?


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