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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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05-20-2010, 08:42 PM | #11 |
prop. A$$hole's Garage
Join Date: Dec 2007
Location: Deep inside the Central Scrutinizer (77096)
Posts: 1,587
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Re: Gas EZ-GO Won't Rev Up
Two cycle engines also need good primary compression.. A blown crankshaft seal or crankcase gasket will kill the primary compression and engine performance..
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05-21-2010, 03:20 PM | #12 |
Not Yet Wild
Join Date: May 2010
Posts: 21
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Re: Gas EZ-GO Won't Rev Up
How do you check the primary compression? At this point I was planning on doing a top end engine job. Replacing the jug, along with new piston rings and wristpin. Is there a wristpin bearing, I haven't seen one in the list of parts with the piston kit. Should I just replace the crankshaft seal or gasket, or is it a big pain. Thanks
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05-21-2010, 03:23 PM | #13 |
Not Yet Wild
Join Date: May 2010
Posts: 21
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Re: Gas EZ-GO Won't Rev Up
ooo
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05-21-2010, 04:25 PM | #14 |
Not Yet Wild
Join Date: Mar 2010
Posts: 10
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Re: Gas EZ-GO Won't Rev Up
I was experiencing the same symptoms with my 90 ez go marathon. I ended up having a broken piston on the exhaust side of the piston. 90 lbs. is low so it would be worth your time to do a top end rebuild in my opinion. There is a wrist pin bearing (which I didn't replace on mine because my kit didn't come with one).
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05-21-2010, 05:44 PM | #15 | |
prop. A$$hole's Garage
Join Date: Dec 2007
Location: Deep inside the Central Scrutinizer (77096)
Posts: 1,587
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Re: Gas EZ-GO Won't Rev Up
Quote:
Due to the age of the cart, I would plan on pulling the engine for a complete teardown, and replace all of the seals and gaskets, and inspect the reed valves for proper sealing.. |
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05-22-2010, 12:09 AM | #16 |
Not Yet Wild
Join Date: May 2010
Location: Bay area Calif.
Posts: 22
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Re: Gas EZ-GO Won't Rev Up
I tore down my 1984 244-cc and was only doing the top end. I started to clean out the bottom end and a lot of particles of carbon and metal was coming out. I was using gas. It was not coming clean, The crap just kept coming. The next thing I saw was gas leaking out the seal so I split the cases and its a good thing I did. The crank bearings were coming apart. It would not have lasted an hour with all the compression pushing on those bearings. these suppliers had every thing I needed and the best pricing.
http://bakerscartsupply.com/ezgo-parts.asp http://golfcardiscounters.com/index.php |
05-22-2010, 12:16 AM | #17 |
Not Yet Wild
Join Date: May 2010
Location: Bay area Calif.
Posts: 22
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Re: Gas EZ-GO Won't Rev Up
I forgot to tell you 90 is as low as you can go and still fire up barley!
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