Have a 1978 Mercury model 700 70hp 3 cyl. twin carbs.
Motor would have low power when I put the throttle down in forward. I replaced a float and needle and got it running a little better...it would go good if I eased up the throttle. If I punched it down it would sputter with low power. While...
Need help. My 1978 Mercury model 700 3 cyl. 70hp. starts up and runs good when first put in the water but after shutting it down to fish for awhile it starts again but very low power when put in gear. Last season it was running great till all of a sudden one day it just quit. I replaced fuel...
