motor rebuild problem

hippie121 · 04-14-2009, 08:36 PM

hi all,so i just rebuilt my 93 ezgo motor and on the first start up there was a knock so i pulled it apart again found nothing of concern . so i put it back together still doing the same thing the funny thing is if i take the valve cover off and cover the oil port it no longer knocks but it on and it knocks.before i rebuilt it did not have a knock though it just smoked.
any ideas?

kymike · 04-14-2009, 10:25 PM

loose rocker arm or is the rocker arm hitting the cover or not enough oil pressure on your bearings and when you cover the the hole its allowing to build a little more pressure

dirtysouth · 04-14-2009, 10:28 PM

Welcome hippie...

hippie121 · 04-15-2009, 06:29 AM

Thanks for the input i was thinking the lack of oil pressure but what could i do to increase the pressure the mechanical pump seems to be in pretty good shape.

pizzamaker · 04-15-2009, 06:39 AM

Quote:

Originally Posted by hippie121

Thanks for the input i was thinking the lack of oil pressure but what could i do to increase the pressure the mechanical pump seems to be in pretty good shape.

are you sure the pump is primed? did you push some Assembly lube in the pump rotors before you put the cover on

hippie121 · 04-15-2009, 06:45 AM

its defiantly primed as if i take my finger off the oil port on the head it will shoot pretty good

pizzamaker · 04-15-2009, 06:50 AM

if the cover is on and you run it with the oil cap off does it knock?

hippie121 · 04-15-2009, 06:56 AM

yes i think so i can check later

pizzamaker · 04-15-2009, 06:58 AM

did you replace the valves or cut the seats? it sounds like the rockers are hitting the cover

hippie121 · 04-15-2009, 07:11 AM

had them cut did not look like they were sitting to deep though ,but this sounds more like a metal on metal knock will defiantly check later

04-14-2009, 08:36 PM	#1
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8	motor rebuild problem hi all,so i just rebuilt my 93 ezgo motor and on the first start up there was a knock so i pulled it apart again found nothing of concern . so i put it back together still doing the same thing the funny thing is if i take the valve cover off and cover the oil port it no longer knocks but it on and it knocks.before i rebuilt it did not have a knock though it just smoked. any ideas?
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8

04-14-2009, 10:25 PM	#2
kymike Gone Wild Join Date: Oct 2008 Posts: 155	Re: motor rebuild problem loose rocker arm or is the rocker arm hitting the cover or not enough oil pressure on your bearings and when you cover the the hole its allowing to build a little more pressure
kymike Gone Wild Join Date: Oct 2008 Posts: 155

04-14-2009, 10:28 PM	#3
dirtysouth Gone Wild Join Date: Feb 2009 Location: P-COLA Posts: 1,176	Re: motor rebuild problem Welcome hippie...

04-15-2009, 06:29 AM	#4
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8	Re: motor rebuild problem Thanks for the input i was thinking the lack of oil pressure but what could i do to increase the pressure the mechanical pump seems to be in pretty good shape.
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8

04-15-2009, 06:45 AM	#6
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8	Re: motor rebuild problem its defiantly primed as if i take my finger off the oil port on the head it will shoot pretty good
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8

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04-15-2009, 06:50 AM	#7
pizzamaker ****tard supreme Join Date: Jun 2008 Location: waldo,wisconsin Posts: 5,401	Re: motor rebuild problem if the cover is on and you run it with the oil cap off does it knock?

04-15-2009, 06:56 AM	#8
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8	Re: motor rebuild problem yes i think so i can check later
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8

04-15-2009, 06:58 AM	#9
pizzamaker ****tard supreme Join Date: Jun 2008 Location: waldo,wisconsin Posts: 5,401	Re: motor rebuild problem did you replace the valves or cut the seats? it sounds like the rockers are hitting the cover

04-15-2009, 07:11 AM	#10
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8	Re: motor rebuild problem had them cut did not look like they were sitting to deep though ,but this sounds more like a metal on metal knock will defiantly check later
hippie121 Not Yet Wild Join Date: Apr 2009 Posts: 8

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