Hi, You are in for some creative work using a vertical engine. First you will need to get pullies and shafts with bearings. One pulley will go on the engine and the other will be mounted on a shaft with another pulley with it. A belt will fit loose between the engine pulley and one of the two pullies on the shaft. Another small pulley on a bearing will have to be mounted on the outside of the belt with a pivot arm and a return spring and a engage lever. This small pulley when engaged will put pressure on the loose belt so it will drive the second pulley.
You will need a live axle, axle bearings, another larger pulley, and if you want both wheels to get power a live axle diff.
On the shaft that has the two pullies a belt will go from that pulley with a figure 8 type bend to a pulley on the axle.
This sounds a little hard to understand but
if you can find some old riding mowers you will see this set-up alot.
Scroll down the forum page and look for one of my posts{Good Sites for Go Kart Parts. You can get axles, bearings, bearing mounts,and a diff.
I'm building a mini bike with a 13hp engine. Nothing fits. I had to build everything. New swing arm, motor plate, disk brake mounts, new fork neck, enlarged the frame,move exhaust and air cleaner & build a new exhaust header.
But that's half the fun. Sometimes I have more fun building them than driving them.
Ask for help anytime, Best regards, Jeff Z.
