motor is not geting no more than 4000 rpm. it was running about36 miles but now it just do 24 miles what could it be wrong. spark plugs and wite are new. i dont know what is could be .
my mercury is not planin on the water it only does about 19 miles on the water after 3 rpm it just bogs out and i have more space for the throute but it wont go faster i took it to a diagnostic but meckanic rip me off. what could it be it has sparks in al wires gas is going thro . also the...
