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1978 Mercury 900 90hp will not start

talbee

New member
I don't know what the heck is going on now.

I've replaced the solenoid, starter, rectifier, switchbox, and distributor assembly.

I've just installed the distributor assembly a few days ago and had my mechanic set the timing to specs. I've ran the boat for 2 days, but now it's not starting. I checked for spark yesterday and there's spark. I've checked voltage and ohms on the other parts and everything checks out fine. I've checked the voltage on all 3 of my batteries and they're getting 12-13 volts.

I don't know what else to do. I'm getting really frustrated with having one issue after another. Please help!!
 
Check the kill circuit.Disconnect the mercury tilt switch

Unfortunately, mine doesn't have that. I believe it's the original that came with the motor during production. Or maybe I'm not understanding what your talking about. I'm pretty new to this whole boating thing. Maybe you can post a picture of that?
 
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