Gearbox Help - '73 Gamefisher 9.9hp

[Lanavere420]

Hoping someone can give me a quick tip on ​

removing the Drive shaft from the lower unit

, ever done it before?​

My motor is a '73 Sears Gamefisher 9.9hp made by Eska, same as Ted Williams brand.

A link to a repair manual would be ideal as I'm sure I'll need to replace seals, etc. etc.​

The forward & pinion gears are stripped but I have a good replacement set sitting on a parts motor.
Tried swapping lower units first but the parts lower has a bad drive shaft and shift linkage.

I removed the prop & gear assembly, shift linkage and impeller but the bad gears are held in by the driveshaft.

There does not seem to be a pinion nut or retaining clip on the gearbox-end of the shaft, just a splined end.
Under the impeller there is a plastic cap that seals the opening through which the shaft enters the gearbox.

There are notches on a raised collar next to the shaft but I will damage the plastic if I make the wrong move.

Special tool? Brute Force? Hopefully just missing the obvious... but also missing the water!

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[brim_buster]

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