I Have A 87 Merc 70 Hp I Think It May Have Abad Plug Wire And I Need To Remove It From Coil To Check It But I've Pulled Pretty Hard And It Didn't Move. Are These Made To Be Removed From Coil?
I'M NOT GETTING ANY SPARK ON TOP CYL . HOW DO I TEST FOR COIL OR BOX? iT WAS RUNNING BUT IDLE WAS ROUGH AND TOOK ALONG TIME TO GET UP ON PLANE I THOUGHT IT WAS CARBS BECAUSE I COULD TURN THE SREW ON THE MIDDLE CARB ALL THE WAY IN AND IT MADE NO DIFFERENCE ON THE IDLE OF MOTOR.
I have a 87 70 hp mercury 3 cyl that idles kinda rough but when I give it full trottle it bouges down.I can move the trottle forward a little bit at a time and it will start to clearing out and getg on plane.I bought it about 4 yrs ago and I haven't had any work done to it.When I adjust the carb...