75 yami motor

[raynograssman]

Hi guy I have a 75h yamaha outboard motor on my 17ft baronet,at first the motor runs very well,and then the impeler was changed,now if I open the throttle there are no power the motor don't get high refs,it sits in the water,don't even get onto the plane,we thought the bottom coil was faulty and change it but its stil the same,there is a spark but no power from the bottom cylinder,and the plug looks wet if I take it out,out of the water it refs up ex,but in the water it doesn't wanna do any thing,please help

[greasyshaft]

Model code?

[rodbolt17]

my ford needs an alternator.
part number please ??

[richie66]

I have an alternator for your ford it's universal.

[madharchod]

do a overhaul of your engine block you are getting water in your bottom cylinder

[99yam40]

Check fuel pump to see if it is leaking into the crank case and making bottom cylinder too rich with fuel to fire properly

[rodbolt17]

its funny watching idiots.
helpful idiots but idiots all around.
how many 2 stroke versions of a 75 HP Yamaha were made?????
how many 4 stroke versions of a 75 HP were made?????
6 that I can see just thumbing through the US market tuneup spec guide.