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The Carbs on a 73 115hp are larger than the carbs on a 77 85hp, as the 115 has about 8-9% more displacement than the 85, and have a...

The Carbs on a 73 115hp are larger than the carbs on a 77 85hp, as the 115 has about 8-9% more displacement than the 85, and have a...

I have been blessed in that every boat I ever bought was exactly what I wanted. And then they have always been meticulously taken care...

I replaced the mechanical shift cable and it came with the shift housing attached, i also replaced shifter/ throttle control cables...

E10 is a big boon. When a mechanic can't figure out what the problem is (was), now he has something to blame. Lots of reading to be...

No, I need it. You can have all my anxiety though. 100% free!

must have been a dealer or marina tech. Most cummins techs just reprogram the ECM if there is an approved change from the fuel systems...

A true 350 Mag MPI is designed to run 4800 - 5200 rpm. My brother had this same engine in his Rinker. Something is VERY wrong with...

I will do that although I want to note that with the rubber plug out the motor runs just fine, gets my little boat up on plane. I would...

check compression, sounds like it is having a problem with the water back pressure when dunked(submerged)

91psi cold on both cylinders. Reading is from a gauge that consistently reads low as well, so guessing probably 100ish.

I checked the timing and it's at 8 btdc and it advances about 34 degrees with throttle. This was on my driveway though. I will get a...

My numbers were all in the low 90's not to long after a complete rebuild. I was told not uncommon on those old crossflows.

when you figure out what you have i can dig a bit deeper in the trouble shooting but based on your post i'm guessing a dual solenoid set...