Models View all Creo/Wildfire metric template 36 2503 2 Piaggio SI 50cc 2T engine 111 1619 23 epicyclic reduction gearbox (detailed drawings) 99 1250 13 radial engine mechanism and motion 106 1067 13 water cooled electro spindle with Rexroth frameless engine (top down) 86 1006 9 4 stroke 50cc engine 104 862 15