This is an ORIGINAL 1954 Johnson Sea-Horse 25 (model RD-15A & RDL-15A) parts catalog. It is 7” X 10”, has 32 pages & except for a few small marks on the cover is in almost perfect condition. It has numerous pictures & exploded diagrams of the outboard motor & all parts including the magneto group, the starter assembly group, the power head group, the crankshaft piston & connecting rod group, the carburetor group, the lower unit & steering handle group, the gearcase assembly group, the shroud assembly group & the mile master fuel tank assembly. Each part is shown, described, the part # is given & the price is given. This is not a commonly seen piece. Thank you for looking, please browse our store.