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2005 Merc 115 4 stroke 1B158433 ELPT4S
Won't quite go full throttle (no tach on boat) but runs smooth. Doesn't stumble. I was having this problem with a slight surging. I can back off throttle from full a bit then go back wide open and get 1 second of more rpm then back down again. I'm down...
I have been searching and searching for a wire diagram for my engine to no avail. 2005 115 elpt four stroke 1B158433.
My year is the Yamaha power head (pretty sure). I think I found a diagram to buy on ebay but don't know why I just can't buy or look one up that has been posted.
Any help...
2005 Merc 115ELPT4S four stroke 1B158433 - First time boat owner.
No warning horn, ever. No short beep at start up or otherwise. I removed forward controls (side mount) and made sure purple wire was hot with key on. I grounded tan/blu wire and horn went off. I am worried that previous owner hid...
