brand new batteries and starter this year, it will only start by pumping throttle, fuel pump was going to be my next step, except it starts when it gear more often then when I have the throttle only switch engaged. It is a ski boat, so centre engine with a shaft down to a prop and rudder.
It turns over but won’t fire, also if I hold the key for about 4 second intervals while pumping carb, both batteries will die after 5-6 no starts. That is extremely odd too right?
I have an 87 supra with a 351 mustang motor that will only start once a day. I have started it at 9 am every morning for 3 days straight, but at 5 pm, it will not start. One time I accidentally hit the throttle only switch in while pumping the throttle, and it fired. Since then, when it won’t...