Do you hold the key pressed in while cranking it over ?--Have you tested operation of the electric primer valve ?-----The bulb is a manual fuel pump.----Only used to fill carburetors.----Once motor has been cranked or run , the bulb does NOT need to be hard.-----Start with posting the actual...
Just a few tests.----Start motor let it idle.----Remove 1 plug wire at a time.----Post results.----Does spark jump a gap of 3/8" on each lead ?---Mark flywheel for TDC for each cylinder.----Use timing light to check each cylinder at idle.-----At full throttle on the lake look into each bore with...
Most people buying new vehicles are not concerned with complexity of repairs.-----They simply trade in for new again.-----Those of us who buy used vehicles say ----" what are those engineers / developers smoking "
When it is on a hose or trimmed out of the water there is NO LOAD on the prop.-----It will bark and roar on 3 of 6 cylinders.------Checked reed valves ?----Perhaps pistons are not installed correctly ??
On a fresh water motor they usually come out no problem.----Done more than one 67 tear old motor.-----Pouring boiling water over the block/cylinder head area will heat the area of the threads.---Expands the aluminum and releases the grip.
Folks today know little about mechanical things.----Do you see folks lifting the hood at the gas station to check oil ?----Or it costs too much to have the local boat shop do simple stuff like a lower unit reseal, I think.
