Mercury Kiekhaefer Outboard 28-22676 Key Keyway Flywheel KF5 Mark 5 6 Phelon Upper Unit but mostly the early ones

but mostly the early ones from the 1980's as the 90841 pulley mostly used on pre-90's models

91199 /  > 2 Holes on top > No cut-out on coupler end flare

235 & 245 2

GM 305 350 5

Found on Mark 25 & Mark 30

Mercury Kiekhaefer Outboard 28-22676 Key Keyway Flywheel KF5 Mark 5 6 Phelon Upper Unit but mostly the early onesItem Description Mercury Part Number 28 22676 Flywheel Keyway (2 1 16") for KF5 & Mark models with Phelon Magneto. Also Mark 6 (S N 888005 thru 892530) You will get a set of 2 as pictured 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 the title and or the description, Please do your own research