Mercury Outboard Kiekhaefer Flywheel Key Keyway 28-20661 Mark 30 30H 55 55H 50E Exhaust Boots You should be able to

You should be able to use the ignition coil you already have

Item Description Mercury Part Number 31-21146 Torrington Roller Bearing B-1112 Propeller and Driveshaft Possibly used with Mark 7

From my research it seems that this might be compatible with other Yamaha 4hp 4-stroke outboards 1999-2008 & newer (and maybe even older stuff as Yamaha had a very inconsistent parts numbering system)

5hp 4425 (1948

Also here is MerCruiser Shift Spool 37967 / 37969 (For Use with the 37966 shift crank which has boxy end on one side rather than two hoops like the newer ones)

Mercury Outboard Kiekhaefer Flywheel Key Keyway 28-20661 Mark 30 30H 55 55H 50E Exhaust Boots You should be able toItem Description Mercury Part Number 28 20661 Flywheel Drive Key Set of 6 As pictured Found on Mercury Mark 30 (Early Models 1163545 & Below), Mark 30H, Mark 55, Mark 55H, Mark 50, Mark 50E 1956 1957 If you are unsure on compatibility feel free to ask! Purchase with confidence! General Disclaimer (please read) These are New Old Stock Parts from a large mercury Mark & K models cabinet I have. Some of these parts might work on more models than listed in