Johnson Seahorse Outboard 10hp QD-20 1959 Bracket & Lever Set 305517 306156 Harmonic Balancer Aluminum 3-Blade

Aluminum 3-Blade

275 HP--1990-1994

Chevy GM 140hp 3

(see pictures)

Please Close-up Pictures of gear teeth

Johnson Seahorse Outboard 10hp QD-20 1959 Bracket & Lever Set 305517 306156 Harmonic Balancer Aluminum 3-BladeItem Details Removed from a 1959 Johnson Seahorse 10hp Model QD 20 with Serial Number 1898275 If you are unsure if this will work for your, please check with your outboards parts list manual or as send me a message and I can quickly look this up for you. Generally Johnson Evinrude used the same parts & assemblies for multiple years before completely changing the design on them so there is a likely chance that this might be compatible with other models