Thermostat & Gasket for Yamaha outboard 4hp 2 stroke "6e0" 4 hp (not 5hp)
2 stroke "6E0" MODELS. Yamaha 4 hp, 4AC, 6E0. The 4hp and 5hp blocks are interchangeable but internals are different. If you have '6E3' then you have the 5hp block which is slightly different and needs different gaskets and thermostat.