MERCURY 50 hp 4 stroke/carbs
hi any body any ideas on this one ,you start it up ticks over ,warms up then the revs start picking up by themself, throttle cable disconnected.
there is a diaphragm thingy at the top of the engine with 4 pipes 1 to each carb,do you think if this was holed it would do this. any ideas most welcome. thanks ian