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Gas EZGO Gas EZGO Marathon, Medalist, TXT and RXV. |
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01-03-2013, 08:52 AM | #1 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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81 marathon poor performance, looking for ideas
My marathon sat for about 10 years. I did a full rebuild of the 244. Compression is currently about 120. When I first got it running, I noticed that the drive clutch operated normally, but the driven clutch was not opening/closing at all, which made my top speed about 8 mph. Took it off, cleaned and lubed everything, and stretched the spring about a 1/2 inch. This increased my top speed to about 12-15 mph. Better, but still not good enough. Shimmed the drive clutch with a 1/4'' washer under the spring (against the spider). I didn't notice any significant torque increases, nor top speed for that matter. Only difference I noticed is a clunking sound when it initially engages now. I am assuming that the clutches are just tired. It has become painfully apparent that the cart was ridden very hard earlier in its life. By the way, both belts are new and have had many hours of use. I know I can get the shorter belt, but I KNOW that this little cart should be performing better than it is now, even with the stock-length belt.
Does anyone know where I can get fresh springs for these clutches? Both clutches appear to be original to the cart. I did not shim the driven clutch when I disassembled it. What type of shim (and how large) do I need to shim the driven clutch? Any other ideas would be appreciated. Heres a pic of the clutches, just so its clear. |
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01-03-2013, 05:50 PM | #2 |
Gone Wild
Join Date: Jan 2012
Location: Kansas City, Mo
Posts: 544
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Re: 81 marathon poor performance, looking for ideas
Have you cleaned carb and everything real well? also I was confused you said the belts are new then you say they have many hours on them which is it?
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01-03-2013, 11:35 PM | #3 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 81 marathon poor performance, looking for ideas
The belts are new. Probably 3 to 4 hours of run time on them.
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01-03-2013, 11:37 PM | #4 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 81 marathon poor performance, looking for ideas
And yes, I've had the carb in pieces several times. Cleaned thoroughly. All lines are new. Cart runs really smooth. Revs well.
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01-03-2013, 11:58 PM | #5 |
Member 23082
Join Date: Mar 2010
Location: Spokane Washington
Posts: 1,169
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Re: 81 marathon poor performance, looking for ideas
Convert it to sparky?
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01-04-2013, 08:31 AM | #6 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 81 marathon poor performance, looking for ideas
Haha. Sorry offtwice, I've put way too much $ into this cart to start a conversion like that at this point. Maybe on the next one.
I've been contemplating just buying new clutches, but the 400.00 + shipping is going to sting badly. I'm just hoping someone can give me a good lead on some new springs. |
01-04-2013, 07:45 PM | #7 |
Gone Wild
Join Date: Jan 2012
Location: Kansas City, Mo
Posts: 544
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Re: 81 marathon poor performance, looking for ideas
Have you checked the site sponsors? Cart parts plus has done me right on different things.
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01-04-2013, 07:46 PM | #8 |
Gone Wild
Join Date: Jan 2012
Location: Kansas City, Mo
Posts: 544
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Re: 81 marathon poor performance, looking for ideas
Do you have the cart up in Savannah?
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01-04-2013, 09:06 PM | #9 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 81 marathon poor performance, looking for ideas
Ive checked several different site sponsors, and other various outfits with no luck. Somebody has to sell them somewhere. And yes, I've got the cart in Savannah. GO CHIEFS!
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01-04-2013, 09:09 PM | #10 |
Gone Wild
Join Date: Sep 2012
Location: Savannah MO
Posts: 216
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Re: 81 marathon poor performance, looking for ideas
I have found loads of them for the TXT's etc... But none for these old clutches.
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