Mercury 854254T Enrichener Valve Solenoid Carburetor 25hp 4-Stroke 2cyl Keihin Mercruiser Propeller but I would guess 1975-1977

but I would guess 1975-1977 (maybe 74 as well) 302 5

This is a stock photo

roughly 1972-1982ish MerCruiser Part number 84-66962A1

Wires seem generally okay yet

Mercury 854254T Enrichener Valve Solenoid Carburetor 25hp 4-Stroke 2cyl Keihin Mercruiser Propeller but I would guess 1975-1977Part Number(s) Included Mercury Mariner Outboard 854254 854254T Enrichener Valve Solenoid General Application Compatibility This would be found on Mercury 25hp 2cyl 4 Stoke bigfoot applications 0G590000 & up, but NOT the Bodensee Carburetors. Possibly other applications check your parts number in the manual Other Details Freshwater Used Parts Overall Good Condition! Purchase with confidence!