1954 K&O Johnson 25HP Variants
1954 Johnson 25HP Sea Horse: Gen 1
1954 Johnson - Gen 1 - Starboard: "Made in Japan", "notch" in midsection, prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 1 - Port: "notch" in midsection, hole in transom shaft collar, prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 1 - front: prop-lash screw in front of prop housing in lower unit
1954 Johnson 25HP Sea Horse: Gen 2
1954 Johnson - Gen 2 - Starboard: "Japan", notch removed in midsection, prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 2 - Port: "notch" removed in midsection, solid transom shaft collar, prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 2 - front: prop-lash screw in front of prop housing in lower unit
1954 Johnson 25HP Sea Horse: Gen 3
1954 Johnson - Gen 3 - Starboard: "Japan", notch removed in midsection, no prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 3 - Port: "notch" removed in midsection, solid transom shaft collar, no prop-lash screw in front of prop housing in lower unit
1954 Johnson - Gen 3 - front: No prop-lash screw in front of prop housing in lower unit
1954 Johnson 25HP Sea Horse: Gen 4
1954 Johnson - Gen 4 - Port: "notch" removed in midsection, solid transom shaft collar, no prop-lash screw in front of prop housing in lower unit, 1955 "Johnson" and "25 Sea Horse" decals used on 1954 model
1954 Johnson - Gen 4 - Starboard: "Japan", notch removed in midsection, solid transom shaft collar, transom shaft adjustment screw in midsection, no prop-lash screw in front of prop housing, 1955 "Johnson" and "25 Sea Horse" Decals used on 1954 model
1954 Johnson - Gen 4 - front: No prop-lash screw in front of prop housing in lower unit (note: you can see larger 1955 side cowl decals in front view)