Riding Mower to go kart


Old 05-09-10, 04:49 PM
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Join Date: May 2010
Location: USA
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Riding Mower to go kart

Hi I have a toro wheel horse riding mover 12.5 HP im trying to convert it into a cruiser go kart thing like top speed 20 tops. I have stripped it down to the chassis and created a throttle and everything works. The problem is that its stuck in 1st gear and has been that way when i first got it. What's the best way to gain speed? can i swap pulleys? -Thanx
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Old 05-09-10, 06:45 PM
mickblock's Avatar
Join Date: Feb 2009
Location: Calumet Township, Indiana
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Wrong rider height, wrong wheel base, wrong turning radius.You'll shoot your eye out kid.
P.S. welcome to the forums!
Old 05-09-10, 07:35 PM
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You need to get it in a higher gear, then put a small pulley on the tranny and larger one on the engine. Then you'll have to find a belt that fits and possibly modify the clutch and idler(s) to work well with the different pulleys
Old 05-10-10, 03:53 PM
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Join Date: May 2010
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so would i have to open the trans?
and what would i have to change in inside it?
Old 05-11-10, 08:05 AM
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OK... well, I'm not totally familiar with your Toro, but the basic thing for turning a lawnmower into a go kart was to swap the drive pulleys.... switch the engine output pulley with a rear axle input pulley. I guess not all mowers would have the same configuration, but if the idea is to get more speed out of the thing, take the little pulley off the engine output shaft and put a larger one in it's place. Then hang on for dear life cuz they don't handle worth spit at higher speeds!!! Not ony might you shoot your eye out, you might break your friggin' neck too!
Old 05-11-10, 02:05 PM
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any idea on how to take off the drive shaft pulley?

nvm- i got it

Last edited by Iant720; 05-11-10 at 04:31 PM.
Old 05-12-10, 11:31 AM
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Join Date: Apr 2004
Location: Pennsylvania
Posts: 592
You really need to figure out what is wrong with the tranny and why it's stuck in 1st gear. Your best results will be getting the tranny working correctly. Have fun, enjoy the project, but also put some thought into how you are gonna stop from 20 plus MPH.

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