building a go-cart

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Old 03-19-03, 02:18 PM
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Question building a go-cart

Hi! I have got a murray lawn mower with a 3.5 Briggs and Straton engine. I would really like to build a go-cart. So, can you offer any information to help make my childhood dream come true? Do you know if this motor is big enough to power a go-cart, and if yes, for a kid or an adult?
I sure appreciate your time and help. Respectfully,
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Old 03-19-03, 03:07 PM
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3.5 isn't gonna give you much. Go with at least 5.0.

Also is this off a push mower? I believe you need side shaft engine for go-cart or mini bike.
Old 03-19-03, 03:16 PM
darrell McCoy
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Dont think you would be satisfied with the 3.5 briggs, besides you need an engine with horizontal shaft for best results. If you want to get really serious, use a snow mobile engine. Possibly a large chainsaw engine. Considerating the above, plus fabricating a frame you are in for a pretty good size project. I have seen these carts, ready to go for as low as 600 bucks. Price depends on what you want.
Old 03-19-03, 04:20 PM
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Wrong forum for this question. Ask Mike Merritt, my friend moderator in the Go-kart forum.

You cannot use an engine with a vertical shaft horizontally like that. You'll starve it for lubrication and wipe it out in a jiffy. Engines for that HP range are under 200 bucks. Check Ebay.
Old 08-21-12, 01:14 PM
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Sure you can use a vertical-shaft engine- it's just not as easy to use as a horizontal unit. Your best bet is a transaxle from a riding lawnmower. This gives you differential action, and the 90-degree turn you will need to put the power to the pavement. Difficult, but not impossible.
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