Re: '68 Merc.outboard 100HP prop needed!
If you read the stickies at the top of the page and the helps on the prop storte page it will help you understand better about prop selection.
W e really need base line performance numbers.Prop size(on the barrel or under the prop nut)present max rpm and speed.Perhaps one or all may be repairable.
We need the rpm and speed to tell if any issues are with the setup,motor or prop.
