09-08-2021, 07:27 PM | #1 |
Not Yet Wild
Join Date: Nov 2014
Posts: 23
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91 ezgo low rpms
hey folks, I have a 1991 ezgo marathon with the 295 robin eng, all stock.
it will crank up and run but not enough to engage the clutch, i can jack the rear wheels up and it will go like crazy with no load on it. i put a new fuel pump and a new carb(oem) on it and changed the solonoid,voltage regulator, and ignitor of a running cart but it just will not turn up enough rpms to pull itself. any suggestions and thank you |
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09-08-2021, 08:21 PM | #2 |
Vintage tech
Join Date: Sep 2009
Location: South
Posts: 3,210
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Re: 91 ezgo low rpms
What is the compression on both cylinders ?
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09-08-2021, 08:26 PM | #3 |
Not Yet Wild
Join Date: Nov 2014
Posts: 23
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Re: 91 ezgo low rpms
have not checked, I guess since it always ran before
I thought the comp was ok |
09-09-2021, 07:34 AM | #4 |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: 91 ezgo low rpms
It also helps for smoother take off to remove the drive clutch cover and remove the big spring that holds it open.
Are you sure the motor is starting or the starter just spinning it? |
09-09-2021, 07:46 AM | #5 |
Gone Wild
Join Date: Jul 2020
Location: NC
Posts: 770
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Re: 91 ezgo low rpms
It is odd that you say you "I can jack
the rear wheels up and it will go like crazy with no load on it." but "it will crank up and run but not enough to engage the clutch". The only way it would feel load is if it is trying to engage the clutch. With it jacked up, make sure the axles are turning freely, brakes aren't dragging, gears running smoothly, etc. As Trig indicated, its possible your compression is low, but that would have happened slowly over time. If it happened suddenly, it is likely something failed or something needs maintenance. Could be something built a nest in the air box or muffler. Other than the fuel pump or carb, the other items are not likely culprits, so don't toss them out. May need them in the future. I'd check the drive line and the compression first, let us know how it works out, and we can go from there. |
09-09-2021, 10:28 AM | #6 |
Gone Crazy
Join Date: Jan 2007
Location: Chesterfield, Va
Posts: 6,021
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Re: 91 ezgo low rpms
Pull the drive belt off and see if your engine starts and goes through the governed RPM range.
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09-09-2021, 12:02 PM | #7 |
Not Yet Wild
Join Date: Nov 2014
Posts: 23
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Re: 91 ezgo low rpms
yes the motor is running about half wide open
you can tell the difference. with the wheels on the ground it will not move, the clutch will not close up to engage the belt and rear end but with the wheels up both clutchs are working, one closes up and the other opens and the wheels are rolling freely, when its on the ground I can push it all over the yard without any effort. The carb was spitting fuel out so bought a new one and new pump and checked the valve settings . it set up a few months before I fixed it (or at least tried). waiting for a compression tester, thanks guys |
09-09-2021, 02:11 PM | #8 |
Gone Wild
Join Date: Feb 2008
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 3,666
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Re: 91 ezgo low rpms
After what you say is running is the exhaust hot?
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09-09-2021, 06:40 PM | #9 |
Not Yet Wild
Join Date: Nov 2014
Posts: 23
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Re: 91 ezgo low rpms
After what you say is running is the exhaust hot?
not more than normal |
09-09-2021, 09:14 PM | #10 |
Gone Wild
Join Date: Feb 2008
Location: Brooklyn, Michigan "Home of M.I.S."
Posts: 3,666
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Re: 91 ezgo low rpms
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