Could be some dirt floating around in the bowls.-----Could be dirt in a float valve.---=---Simple carburetors and ultra easy to work on.------If you own an older Force motor you simply have to learn these simple procedures or pay the man $100/ hr !
Two stroke outboards in good condition start right up.------With the right starting procedure of course.------If you have one with the " crank and hope " syndrome , then the motor needs attention.
The 2 cylinder 40 / 50 HP models never had stickers with 100:1 mix on them.-----That was a short lived concept on the 30 HP and smaller motors around 1986 to 1988 models.
Bottom half of the gearcase.----Also called the skeg.-----Or lay motor on it's side and see if you can position shifter so you can see the hole.------Did this job many times 50 years ago when I worked at a Johnson dealer !!
Take lower unit off.----- Take the cap off.-----Assemble with clutch dog in forward and shift rod in forward ( up into the unit ) and install cap.----Install pin.
Well-----running time of 5 to 6 hrs every day will be tough on those boats.-----Locally we had a " poker run " out on the lake.------One or more owners had to go get their trailers as boats could not take another 1 hr pounding in 5' waves