hi every1,
im new here and me and a mate are in the throws of building a go cart each just for bit of a laugh between mates to race each other, we got a couple of honda 4hp motors quite cheap which we hav ported and polished in preperation, just a few things we are unsure of is a good pulley size to use for the motor and axel in order to get a good to top speed, any other info on how to get more power outa these we motors would be awsum thanks,