Problem Please Help

Casongrant · 01-17-2017, 06:48 PM

I've got a 87 ezgo with the robins 244cc motor. I rebuilt the top end with new piston and cylinder honed. When I put it back together it ran great for about 20 minutes then it started to sputter and wouldn't run. Fuel was being dumped into the exhaust and see none was getting to the spark plug. Carburetor is fine, spark plug is good and has good spark. I put a brand new fuel pump on it but is still doing the same thing. I'm thinking it might be bad crank seals. I did spray the crank seal closest to the clutch with starting fluid while turning it over and still no change. This motor has me real frustrated!!

Casongrant · 01-18-2017, 08:25 PM

Any suggestions?

cart around · 01-19-2017, 07:26 AM

Remove the fuel pump, and spin it over with your finger over the pulse hole. Tell us what you feel.

Casongrant · 01-19-2017, 04:41 PM

It's blowing up into the fuel pump

cart around · 01-19-2017, 08:01 PM

I would check compression next.

01-17-2017, 06:48 PM	#1
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8	Problem Please Help I've got a 87 ezgo with the robins 244cc motor. I rebuilt the top end with new piston and cylinder honed. When I put it back together it ran great for about 20 minutes then it started to sputter and wouldn't run. Fuel was being dumped into the exhaust and see none was getting to the spark plug. Carburetor is fine, spark plug is good and has good spark. I put a brand new fuel pump on it but is still doing the same thing. I'm thinking it might be bad crank seals. I did spray the crank seal closest to the clutch with starting fluid while turning it over and still no change. This motor has me real frustrated!!
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8

01-18-2017, 08:25 PM	#2
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8	Re: Problem Please Help Any suggestions?
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8

01-19-2017, 07:26 AM	#3
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,495	Re: Problem Please Help Remove the fuel pump, and spin it over with your finger over the pulse hole. Tell us what you feel.

01-19-2017, 04:41 PM	#4
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8	Re: Problem Please Help It's blowing up into the fuel pump
Casongrant Not Yet Wild Join Date: Oct 2016 Posts: 8

01-19-2017, 08:01 PM	#5
cart around Test before replacing Join Date: Aug 2013 Location: Ohio side of the Pennsylvania border. Posts: 3,495	Re: Problem Please Help I would check compression next.

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