Make a racing lawn mower

Question

I have a variable pulley system. All my pulleys are 5.5''. Can you help me figure out what size pulleys to get and what size belt? Please email answer to [e-mail]

Answer 1

where is the horse?  this is the horse racing category.

Answer 2

Lager pully on the motor you can use one 5.5 and the secondary drive pully a 3. The belt sould be a 3/4 in

If I could see the final drive config I could tell you more to get out of this