| JD SX75 go-cart thingy | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 5th 2013, 11:33 am | |
| I am using a JD sx75 frame and a 3 hp briggs running to a MTD brake shaft. I did a gear calculation and at 4500 rpm it should go about 25 mph...... I'l get a few pics after school if I can. | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 5th 2013, 8:25 pm | |
| a few mock-up pics on the operating table ![JD SX75 go-cart thingy Projec33](https://i.servimg.com/u/f56/18/62/03/97/projec33.jpg) on 4 wheels! ![JD SX75 go-cart thingy Projec32](https://i.servimg.com/u/f56/18/62/03/97/projec32.jpg) | |
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1997 Murray Veteran Member
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 5th 2013, 9:07 pm | |
| idk........lol thanks for the imput I wasn't sure if anyone was seeing this. | |
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1997 Murray Veteran Member
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 10th 2013, 2:09 pm | |
| new throttle (pull start cord, I know.) ![JD SX75 go-cart thingy Projec42](https://i.servimg.com/u/f56/18/62/03/97/projec42.jpg) also I got a linkage for the clutch made. when I get someone to drive the murray while I sit on this start it (I cut up the shroud with the pull starter on it for my big go-cart.) | |
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: Re: JD SX75 go-cart thingy December 10th 2013, 2:09 pm | |
| Nice!
Where is that suspension spring located and won't it work against the clutch kinda? | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 10th 2013, 2:16 pm | |
| oh, the clutch has enough throw that it dosen't matter. there is two springs, on the front of the subframe. they are valve springs from my 12.5 briggs. ![JD SX75 go-cart thingy Projec43](https://i.servimg.com/u/f56/18/62/03/97/projec43.jpg) | |
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: Re: JD SX75 go-cart thingy December 10th 2013, 2:24 pm | |
| - 1997 Murray wrote:
- oh, the clutch has enough throw that it dosen't matter. there is two springs, on the front of the subframe. they are valve springs from my 12.5 briggs.
![JD SX75 go-cart thingy Projec43](https://i.servimg.com/u/f56/18/62/03/97/projec43.jpg) Yea you got the point! To make a subframe that the transaxle can articulate on. Cool mod. | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 10th 2013, 2:40 pm | |
| the stock holes didn't match the MTD transaxle mounts, so I made the subframe, and I got the idea. | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 16th 2013, 11:51 am | |
| my belt is slipping ![JD SX75 go-cart thingy Icon_evil](https://2img.net/i/fa/i/smiles/icon_evil.gif) I used a clutch spring from a murray, got it as tight as I could, and it still slips. my engine pulley is suspected, as it is a 2" and it is driving a 3" on a tranny with a 7:1 gear ratio turning 20" tires. I think that I will pull the 4" off of the murray's tranny and use that as the tranny pulley on this one. if that doesn't work then I will get a new engine pulley. | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 19th 2013, 3:08 pm | |
| I am getting a new axle and using my chinese ATV engine. it is 150cc ![JD SX75 go-cart thingy Projec67](https://i.servimg.com/u/f56/18/62/03/97/projec67.jpg) | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy December 19th 2013, 5:13 pm | |
| I'm using the suspension to build the 1998 Murray for the buildoff. | |
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1997 Murray Veteran Member
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy January 21st 2014, 10:59 am | |
| well, the belt still slips too much, so I'm thinking about buying sproceits for it. what do you guys think? what size should I get? | |
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1997 Murray Veteran Member
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy January 30th 2014, 10:53 am | |
| I think i'm changing it again lol. I think that i will try to fix my 915 that I burned up and put it in this and use the kawisaki that is currently in the murray, make a cluch and lower the seat like Stretch44875's rer: https://www.atltf.com/t1080-first-fast-mower-built-rear-engine-hahn this is sort of what I'm aiming for. anyone else have ideas/concerns about rers? thanks.
Last edited by 1997 Murray on January 30th 2014, 1:56 pm; edited 1 time in total | |
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![JD SX75 go-cart thingy Empty](https://2img.net/i/empty.gif) | Subject: JD SX75 go-cart thingy January 31st 2014, 11:14 am | |
| here: ![JD SX75 go-cart thingy Projec84](https://i.servimg.com/u/f56/18/62/03/97/projec84.jpg) this is what it will look like, but with 19" tires in the back and 15" in the front, hopefully I can mock it up today. | |
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