you don't need to change the starter, the 6V one will work fine as long as you don't abuse it ... but you do need to figure out what engine you have

Bill

Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics