Phantom 85 or ssr 70cc pit bike engine?

[cloakedvillain]

I think the ssr would be more useful since it has a 4 speed gear box and an alternator, but the p85 would be a lot easier to mount.

 

[Copygod69]

I think the ssr would be more useful since it has a 4 speed gear box and an alternator, but the p85 would be a lot easier to mount.

There is the added benefit of stuff lasting a bit longer with the pit engine

 

[GW's Motorized]

Make sure you get a good frame and some MC wheels. A bicycle isn't meant to handle the sudden change of that much torque from a motor