1983 Rebuilt EZGO Engine Lost Compression

devadasy · 08-10-2012, 03:32 PM

http://www.buggiesgonewild.com/gas-e...tml#post759323

Previous post but shows replaced parts

the engine has 125 Lbs od compression after rebuild after running it for an our with break in fuel mix. now the engine has been run for a few hours and has less than 30 Lbs of compression.

I need to know what can cause this so I can troubleshoot it.

Robin Engine
Model: EC25-2PG
Disp: 244cc
Motor No: 83-08185

racin161 · 08-10-2012, 08:23 PM

Did you replace the crank seals also? If you lost compression was the rings installed correct there is a bevel and locator pin and did you check the ring end gap when installing?All these are important when rebuilding.Make sure your head is not warped and all bolts are secure K

LOU

devadasy · 08-10-2012, 10:14 PM

the engine ran fine for a day or 2 then wouldnt start the next day and now has little compression.

these are the parts that were replaced same list from my other post from diferent issue.

Crankshaft
cylinder
Piston
Piston Rings
Crankshaft Seals
Crankshaft Bearings
Spark Plug
Carb Gaskets
Reed Gaskets
Cylinder Gasket
Head Gasket
Fuel Pump Gasket
Fuel Lines
Fuel Filter
Starter Belt
Exhaust gasket

racin161 · 08-11-2012, 07:41 AM

Maybe try disconnecting the exhaust then spin it over. You may also want to look in the exhaust port for any damage.

LOU

08-10-2012, 03:32 PM	#1
devadasy Not Yet Wild Join Date: Aug 2011 Posts: 22	1983 Rebuilt EZGO Engine Lost Compression http://www.buggiesgonewild.com/gas-e...tml#post759323 Previous post but shows replaced parts the engine has 125 Lbs od compression after rebuild after running it for an our with break in fuel mix. now the engine has been run for a few hours and has less than 30 Lbs of compression. I need to know what can cause this so I can troubleshoot it. Robin Engine Model: EC25-2PG Disp: 244cc Motor No: 83-08185
devadasy Not Yet Wild Join Date: Aug 2011 Posts: 22

08-10-2012, 08:23 PM	#2
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: 1983 Rebuilt EZGO Engine Lost Compression Did you replace the crank seals also? If you lost compression was the rings installed correct there is a bevel and locator pin and did you check the ring end gap when installing?All these are important when rebuilding.Make sure your head is not warped and all bolts are secure K LOU
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

08-10-2012, 10:14 PM	#3
devadasy Not Yet Wild Join Date: Aug 2011 Posts: 22	Re: 1983 Rebuilt EZGO Engine Lost Compression the engine ran fine for a day or 2 then wouldnt start the next day and now has little compression. these are the parts that were replaced same list from my other post from diferent issue. Crankshaft cylinder Piston Piston Rings Crankshaft Seals Crankshaft Bearings Spark Plug Carb Gaskets Reed Gaskets Cylinder Gasket Head Gasket Fuel Pump Gasket Fuel Lines Fuel Filter Starter Belt Exhaust gasket
devadasy Not Yet Wild Join Date: Aug 2011 Posts: 22

08-11-2012, 07:41 AM	#4
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: 1983 Rebuilt EZGO Engine Lost Compression Maybe try disconnecting the exhaust then spin it over. You may also want to look in the exhaust port for any damage. LOU
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

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