first off, I am completely new to the boating world, I've had just about everything else immagineable that runs on dry land... motorcycles ATV's ect.
Where is the tach sending unit located on this Yanmar 6lp-dte series. I have the Repair Manual, bot no mention of location
thank you for helping
Another thing to check, maybe your carb accelerator pump is not working properly. To check it, with the choke, & flame arrestor off, look down into
With all outboards the most important thing is the compression is even between cylinders. For a older motor anything 70psi and over is acceptable for
have you checked the timing at WOT? I don't know what the specs are for the motor, but it should be on a sticker on the air box.