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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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10-13-2018, 11:24 AM | #1 |
Gone Wild
Join Date: Sep 2015
Location: North East, PA
Posts: 186
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Ezgo marathon 2pg electric fuel pump mod
Hello everyone, I just completed an electric fuel pump mod since I was tired of replacing ripped diaphragms causing fuel leakage into the engine lower. It’s been running for 2 days and as of now I couldn’t be happier. The low speed performance is smoother and its running better then ever. It was as simple as blocking off the pulse hole under the old fuel pump and wiring a small 12V low pressure fuel pump to come on when the pedal is pushed. I will update in a few weeks as to the status and any issues that may come up, if anyone has questions feel free to askB9BE967F-6DFF-49A8-90F4-C75858F58BDA.jpg
DFF8E36F-87E1-4680-9D72-EC20F4E983AC.jpg B40A0EC7-3A24-4537-AB2F-DC78388DE35F.jpg |
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10-13-2018, 11:26 AM | #2 |
Gone Wild
Join Date: Jun 2017
Location: Savannah, GA
Posts: 6,539
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Re: Ezgo marathon 2pg electric fuel pump mod
I’m very interested in doing this to my 3PG. Let us know how it is.
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10-13-2018, 12:01 PM | #3 |
Test before replacing
Join Date: Aug 2013
Location: Ohio side of the Pennsylvania border.
Posts: 3,489
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Re: Ezgo marathon 2pg electric fuel pump mod
Do you get a lot of backfiring with that spring on the wrong side of the throttle lever?
A spring on the opposite side would have given really smooth throttle response, and prevented ripped diaphragms without the added hassle of an electric pump. I noticed that the air cleaner is missing too. I hope that was just for access while working on it. |
10-13-2018, 12:04 PM | #4 | |
Gone Wild
Join Date: Sep 2015
Location: North East, PA
Posts: 186
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Re: Ezgo marathon 2pg electric fuel pump mod
Quote:
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10-13-2018, 01:11 PM | #5 |
Nincompoop Club Member
Join Date: Jun 2016
Location: Idaho
Posts: 1,177
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Re: Ezgo marathon 2pg electric fuel pump mod
Good eye CA.........
The spring on mine did the same thing, I ended up making a tiny washer between the spring and the throttle lever hole. Here's a pic of materials used lol, Works great. I really like the electric pump mod and I'll be doing the same thing the next time my pump goes bad, The plastic spacer under my pump broke a few years ago and I can't find a replacement. As much as I hated to do it I mounted the pump directly on the case |
10-19-2018, 08:32 PM | #6 |
Gone Wild
Join Date: Sep 2015
Location: North East, PA
Posts: 186
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Re: Ezgo marathon 2pg electric fuel pump mod
This worked great for the 10 hours I’ve ridden since install, couldnt be happier. If any problems arise I will update but as it stands now I’ll never go back to the mechanical pump, I’d sooner replace the electric 4 times for the same price.
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06-09-2019, 09:54 AM | #7 |
Gone Wild
Join Date: Sep 2015
Location: North East, PA
Posts: 186
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Re: Ezgo marathon 2pg electric fuel pump mod
Still kicking strong....on a side note I’m still on the same spark plug since I did the mod which is a record for the old girl
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06-09-2019, 10:02 AM | #8 |
Nincompoop Club Member
Join Date: Jun 2016
Location: Idaho
Posts: 1,177
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Re: Ezgo marathon 2pg electric fuel pump mod
Good to know. One question; What is the psi rating on the pump?
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06-23-2019, 09:01 AM | #9 |
Gone Wild
Join Date: Sep 2015
Location: North East, PA
Posts: 186
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Re: Ezgo marathon 2pg electric fuel pump mod
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06-23-2019, 09:46 AM | #10 |
Nincompoop Club Member
Join Date: Jun 2016
Location: Idaho
Posts: 1,177
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Re: Ezgo marathon 2pg electric fuel pump mod
I assumed it'd be pretty low like maybe 1-3psi. Good to know it'll handle up to 4, Thanks for the info
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