What about a OS 55AX they have more of a 46AX foot print
Recommended Props: 12x7-8, 13x6-7
Crankshaft thread size:1/4-28
Distance/remote needle to end of crankshaft: 4.7" (119.4mm)
Distance from center of engine to drive hub: 2.4" (60.4mm)
Distance from center of engine to end of crankshaft: 3.4" (87.6mm)
Distance/crankshaft center to muffler exhaust outlet: 3.9" (100.5mm)
Height from crankcase bottom to top of cylinder head: 3.3" (85.2mm)
Height/crankshaft center to top of cylinder head: 2.6" (67.4mm)
Width including mounting tabs: 2" (50.8mm)
Width not including mounting tabs: 1.4" (35.6mm)
Width between mounting holes same side: .69" (17.5mm)
Width between mounting holes opposite side: 1.7" (43.2mm)
Diameter of muffler body: 1.5" (38.1mm)
Angle of muffler in relation to engine: 4°