Mercury Kiekhaefer Outboard 28-20625 Key Keyway Flywheel Mark 20 Scintilla KG7 Upper Unit Would also work with the

Would also work with the 3

Possibly Relevant / Similar Years 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 Johnson Evinrude Buccaneer Wards Sears & Roebuck

Generally this would have been used with V8 Ford engines (some had the attachment for the breather tube and others did not)

possibility it might have been used on other models 1971-1975

please send me your engine serial number/engine model & year and I can look it up for you

Mercury Kiekhaefer Outboard 28-20625 Key Keyway Flywheel Mark 20 Scintilla KG7 Upper Unit Would also work with theItem Description Mercury Part Number 28 20625 Flywheel Keyway for some KE7, KF7 KG7 KH7 Mark 15 Mark 20 models with Scintilla Magneto Assemblies. Please consult your parts manual or message me for ultimate compatibility You will receive a set of 2 keys as pictured. Purchase with confidence!