MerCruiser 936-3549 GM 2767031 120hp 2.5L 4 cyl Cylinder Head OMC Stringer 64-72 Piston Sets Switch Assembly: 87-12886A6

Switch Assembly:  87-12886A6

0LX 4cyl 181CID

From my research it seems that this might be compatible with other Yamaha 4hp 4-stroke outboards 2000-2006 & newer (and maybe even older stuff as Yamaha had a very inconsistent parts numbering system)

Please inspect pictures closely as they will give the best idea of condition

100hp (4cyl) [All serial numbers 0G359967 & Below]

MerCruiser 936-3549 GM 2767031 120hp 2.5L 4 cyl Cylinder Head OMC Stringer 64-72 Piston Sets Switch Assembly: 87-12886A6Item Details Commonly Found on MerCruiser & OMC GM 2. 5L 120hp models before 1972 Cannot be used with 3. 0L 140hp models Really Great shape, No cracks or welds. MerCruiser 936 3549 936 2284 Technically Can be used to replace 936 5319 if you use the correct style of spark plugs (Champion RN5C) This is the early Pre 1972ish style that takes the "gasket crush washer" spark plugs (13 16" socket rather than 5 8") MerCruiser serial numbers 3825578 & Below