Sorry I didn't pick this after the OP had added images. This is an early version of the very popular and common Mercury/Mariner motor. Parts and info available in loads of places. I'm guessing early 1990s or possibly very late 80s?
Sorry I didn't pick this after the OP had added images. This is an early version of the very popular and common Mercury/Mariner motor. Parts and info available in loads of places. I'm guessing early 1990s or possibly very late 80s?
My 1986 150 V6 XR2 had the above format of serial number.