Need help on my racing lawn mower

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Old 11-24-07, 03:16 PM
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Need help on my racing lawn mower

Yes, im getting into racing lawnmowers. :mask:
I am looking to change the pulleys but i have a problem.
i have the pulley on the motor and the pully on the tranny.
But, i have another pulley in the middle of the two so that the belt from the engine hooks to in and so does the one on the tranny.
Do i leave the middle pulley the same and change the front to big and back to small?
Thanks for the help.
 

Last edited by Yz852003; 11-24-07 at 04:50 PM. Reason: needed to make clearer
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Old 11-24-07, 08:00 PM
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Can anyone help?
 
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Old 11-25-07, 11:16 AM
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What you're describing is a variable speed. Not the best choice for making a fast mower. First off, the vari-drive itself is fine for mowing, but will eat belts left and right if you over-drive it. Second the transaxle in your mower (assuming it's a single speed, not a dual range from a GT) is not a particularly strong transaxle when it comes to abuse. Another issue is the 20:1 reduction.

I'd suggest ditching the driveline you have now and replacing it with a Peerless manual shift transaxle. Even better would be to use a live axle and a Peerless transmission.
 
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Old 12-06-07, 02:37 PM
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Originally Posted by Yz852003 View Post
Yes, im getting into racing lawnmowers. :mask:
I am looking to change the pulleys but i have a problem.
i have the pulley on the motor and the pully on the tranny.
But, i have another pulley in the middle of the two so that the belt from the engine hooks to in and so does the one on the tranny.
Do i leave the middle pulley the same and change the front to big and back to small?
Thanks for the help.
Just how fast do you want this thing to go?
 
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Old 12-11-07, 10:42 PM
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Cool this might work

[put the small pully on the motor and the big pully on the tranny it should go pretty fast,faster than stock its probley cheaper than putting a manual shifter on it:



p.s a small engine guy told me this so maybe this will work for you bud
 
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Old 12-12-07, 05:18 PM
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Smaller on the crank will slow it down, not speed it up.
As will larger on the transaxle.
 

Last edited by oldchevy4x4; 12-12-07 at 05:56 PM.
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Old 12-12-07, 06:42 PM
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Originally Posted by RebelMower24 View Post
[put the small pully on the motor and the big pully on the tranny it should go pretty fast,faster than stock its probley cheaper than putting a manual shifter on it:
p.s a small engine guy told me this so maybe this will work for you bud
Your "Small engine guy" ought to go back to school.
 
 

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