See the 2 little pins on the fuel tank.-----They are valves with an o-ring on them.-----When you plug in the fuel line one pin opens to let fuel out.----One pin vents the tank.-----These are great reliable tanks.----If inside of tank is clean than replace those o-rings.
There is a " start / crank " in neutral only switch inside the control box.----It has nothing to do with " no spark condition "----Remove spark plugs.---Separate the big red plug.----Pull the motor over with a rope.----Spark should jump a gap of 3/8" with ease.-----Starter motor must be in good...
Some will argue.----If you do not know how old the impeller is , it needs a new one..-----That motor may not shut down on overheat.----May not have an overheat warning horn.-----It would run until it jammed up !!----Not one of my favorite motors.
Sounds like a faulty shift switch.-----So find the wires going into the drive.-----Apply 12 volts to green.----Should be forward.---Apply 12 volts to blue should be reverse.
The grandson started his 1963 model 10 HP Johnson ( same as that 61 Evinrude ) when it was warmed up.-----He was 8 years old and suddenly asked if he could start it.----One pull is all it took.
I would guess that it is a 1961 model Sportwin and 10 HP.-------An excellent motor.-----Visit ----leroysramblings----To learn how to maintain this simple motor.
Lots of those primers on E-bay.---I suppose I should list all the one I have on there.-----They are not hard to find.----And no I am not sarcastic at all.----I can be blunt and to the point.----Sometimes the simple stuff is not well understood.----Sorry.