The journey begins... 85 EZ Go

jcgonzal · 12-31-2011, 04:57 PM

Have you thought about BBQ-ing your muffler while it's off? Sounds like a common fix on these old 2-strokes to clean out the years of build-up.

Greg Rider · 01-06-2012, 06:09 PM

I'm surprised that thing ran enough for you to figure out it was shot.

mattpatt · 01-06-2012, 07:54 PM

I think the damage to the piston was done with me not knowing the governor had been disabled by the previous owner.

racin161 · 01-07-2012, 07:58 AM

Or the oil injection pump failed if you still have it. Get rid of it upon rebuild mix the first tank at 3oz per gallon then after that 128:1 or 1oz per gallon.

mattpatt · 01-22-2012, 11:31 AM

I haven't updated this in a while. Got the motor back together but ran into a little snag when I put the crankcase seals in place. I was using a piece of PVC about the same size as the seal to gently tap it into place. The next thing you know I had driven it in too far! CRAP! What's worse is I did the other side too! It's going to bug me until I get it fixed so I order new seals and they should be in sometime next week. Another question.. Should the crankshaft be hard to turn by hand once everything is back together? I clamped a pair of vice grips on the oil pump end of the shaft and moved the piston up and down that way but I couldn't turn it by hand.

Matt

racin161 · 01-23-2012, 07:01 AM

Sounds normal with new rings and everything tight. Even with a wore out engine and no leverage ie flywheel/drive clutch to grab it would even be tough unless your in the STRONG MAN contest LOL. Try it after the flywheel or drive clutch is installed. Oh and get rid of that injector pump.

racin161 · 01-23-2012, 07:04 AM

Plug that hole in the intake with a screw or bolt. Sorry I had to look at the pic a second time. SENIOR MOMENT.

The kid · 01-23-2012, 07:22 AM

I'm getting a marathon for 300$ that runs but has no power, after seeing this....I am very scared on what might be wrong lol

racin161 · 01-23-2012, 07:30 AM

Don't know where your located but $300 is not a bad price.First we all recommend doing a compression test 90 or below you will at least be talking a top end kit in the $200 range but these little engines and carts or a blast. Need any help were here. WELCOME

mattpatt · 01-23-2012, 07:53 AM

I bought mine for $200 with the same symptoms. Don't let is scare you. I've never worked on an engine before and I've been able to tear it completely down and get it back to the state that you see in the last pic. Yes, I've made a few mistakes along the way but I'm learning and I can guarantee that you'll know more about your cart and how to troubleshoot things after the rebuild. I went with the full rebuild kit but you may only need a top end kit which is very easy to do. I would have no reservations about tearing into another one if I had the chance.

12-31-2011, 04:57 PM	#11
jcgonzal Getting Wild Join Date: Dec 2011 Location: Rochester, MN Posts: 113	Re: The journey begins... 85 EZ Go Have you thought about BBQ-ing your muffler while it's off? Sounds like a common fix on these old 2-strokes to clean out the years of build-up.

01-06-2012, 06:09 PM	#12
Greg Rider Not Yet Wild Join Date: Sep 2011 Location: Brewster, Ohio Posts: 35	Re: The journey begins... 85 EZ Go I'm surprised that thing ran enough for you to figure out it was shot.

01-06-2012, 07:54 PM	#13
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52	Re: The journey begins... 85 EZ Go I think the damage to the piston was done with me not knowing the governor had been disabled by the previous owner.
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52

01-07-2012, 07:58 AM	#14
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: The journey begins... 85 EZ Go Or the oil injection pump failed if you still have it. Get rid of it upon rebuild mix the first tank at 3oz per gallon then after that 128:1 or 1oz per gallon.
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

01-22-2012, 11:31 AM	#15
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52	Re: The journey begins... 85 EZ Go I haven't updated this in a while. Got the motor back together but ran into a little snag when I put the crankcase seals in place. I was using a piece of PVC about the same size as the seal to gently tap it into place. The next thing you know I had driven it in too far! CRAP! What's worse is I did the other side too! It's going to bug me until I get it fixed so I order new seals and they should be in sometime next week. Another question.. Should the crankshaft be hard to turn by hand once everything is back together? I clamped a pair of vice grips on the oil pump end of the shaft and moved the piston up and down that way but I couldn't turn it by hand. Matt
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52

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01-23-2012, 07:01 AM	#16
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: The journey begins... 85 EZ Go Sounds normal with new rings and everything tight. Even with a wore out engine and no leverage ie flywheel/drive clutch to grab it would even be tough unless your in the STRONG MAN contest LOL. Try it after the flywheel or drive clutch is installed. Oh and get rid of that injector pump.
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

01-23-2012, 07:04 AM	#17
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: The journey begins... 85 EZ Go Plug that hole in the intake with a screw or bolt. Sorry I had to look at the pic a second time. SENIOR MOMENT.
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

01-23-2012, 07:22 AM	#18
The kid Getting Wild Join Date: Jul 2011 Posts: 88	Re: The journey begins... 85 EZ Go I'm getting a marathon for 300$ that runs but has no power, after seeing this....I am very scared on what might be wrong lol
The kid Getting Wild Join Date: Jul 2011 Posts: 88

01-23-2012, 07:30 AM	#19
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515	Re: The journey begins... 85 EZ Go Don't know where your located but $300 is not a bad price.First we all recommend doing a compression test 90 or below you will at least be talking a top end kit in the $200 range but these little engines and carts or a blast. Need any help were here. WELCOME
racin161 Gone Wild Join Date: Feb 2011 Posts: 1,515

01-23-2012, 07:53 AM	#20
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52	Re: The journey begins... 85 EZ Go I bought mine for $200 with the same symptoms. Don't let is scare you. I've never worked on an engine before and I've been able to tear it completely down and get it back to the state that you see in the last pic. Yes, I've made a few mistakes along the way but I'm learning and I can guarantee that you'll know more about your cart and how to troubleshoot things after the rebuild. I went with the full rebuild kit but you may only need a top end kit which is very easy to do. I would have no reservations about tearing into another one if I had the chance.
mattpatt Not Yet Wild Join Date: Oct 2011 Posts: 52

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