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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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03-14-2015, 11:09 AM | #1 |
Not Yet Wild
Join Date: Nov 2014
Posts: 53
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Need help with a Marathon issue
I have been chasing a ghost in my 93 Marathon 295 for a while, and I just can't find it. Cart runs fantastic until I get to a certain hill, then falls flat on its face. It used to climb hill fine with 4 adults, then 3, then 2, then.... After it acts up, it won't run right for a while, then runs like new again. I figured that maybe it was worn out and just losing compression, so I decided to check it at the very moment that it would act up, and it's 170/170. I have adjusted valves several times, new fuel pump, new carb, new ignitor, new coil, new voltage regulator, etc. could it be a goofy clutch problem, or the generator breaking down at temp? Any input is greatly appreciated!
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03-14-2015, 08:01 PM | #2 |
Getting Wild
Join Date: Aug 2013
Location: North East Georgia
Posts: 108
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Re: Need help with a Marathon issue
I've had a problem with my driven clutch for a while, it runs great up hills some times then other times it just sucks. I'd say possibly a clutch, just cause it sounds like what mine is doing and I know that is my problem.
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03-14-2015, 09:42 PM | #3 |
It ain't gonna be easy.
Join Date: Apr 2008
Location: St. George, SC
Posts: 1,480
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Re: Need help with a Marathon issue
Is the engine still revving when it falls on its face? If so, then you may have a clutch problem. Measure the width of your belt first though. It should be 1 3/16 " wide. If it is more narrow, then the clutches can't grip it properly when under a load.
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03-14-2015, 10:37 PM | #4 |
Not Yet Wild
Join Date: Nov 2014
Posts: 53
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Re: Need help with a Marathon issue
After it does this, you can only pump the throttle slightly to get it to go a few yards at a time.
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03-15-2015, 06:10 AM | #5 |
It ain't gonna be easy.
Join Date: Apr 2008
Location: St. George, SC
Posts: 1,480
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Re: Need help with a Marathon issue
So lets clarify, the engine itself loses rpms and power? Or does it seem to stay revved up. You could remove the seat and lay a 2x6 across the engine bay. Drive to that hill and see what the clutches are doing. As it encounters the incline you should see the belt on the front "drive" clutch move toward the inner diameter. That means the rear "driven" clutch is closing the drive and pulling the drive clutch open.
If all that is doing what it's supposed to do, then we can move to the engine and start figuring out what its doing. |
03-15-2015, 08:59 AM | #6 |
Not Yet Wild
Join Date: Nov 2014
Posts: 53
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Re: Need help with a Marathon issue
Ok, cool. I'll do that this afternoon and report back. It seems like it is being bogged down, though.Thanks for the help!
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03-16-2015, 07:33 PM | #7 |
Not Yet Wild
Join Date: Nov 2014
Posts: 53
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Re: Need help with a Marathon issue
Looks like I have a driven clutch issue. Any way to overhaul it?
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03-17-2015, 07:40 AM | #8 |
It ain't gonna be easy.
Join Date: Apr 2008
Location: St. George, SC
Posts: 1,480
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Re: Need help with a Marathon issue
Ok, first, what's the width of your belt. Second, what is the driven doing? There are plastic buttons in the driven that slide on ramps. They become worn and can cause it to stick and not open and close smoothly.
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03-17-2015, 08:14 AM | #9 |
Not Yet Wild
Join Date: Nov 2014
Posts: 53
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Re: Need help with a Marathon issue
Belt is 1.25. It acts like its bogging down going uphill and fouling the plugs
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03-17-2015, 09:03 AM | #10 |
It ain't gonna be easy.
Join Date: Apr 2008
Location: St. George, SC
Posts: 1,480
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Re: Need help with a Marathon issue
Your belt is 1 1/4"? If that is correct,then that is a 1/16 larger than stock. Did you remove the seat and use a 2x6 to sit on then observe the driven clutch to make sure it is opening when you encounter the hill?
Page J2 and J3 of this manual: http://products.jacobsen.com/img/manuals/605586.pdf detail CVT clutch operation and also how to service it. |
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