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I'd try something like that before I would go with a complete breakdown...but I'm lazy.

If you prop it right you ought to be able to leave a wake like is in my Avatar. Essentially the same hull as yours, 2002 Merc 90. I was right at 50 MPH when I put my cell phone over my shoulder and snapped this picture. I think I was running a 24P ballistic SS prop.

Having broken (snapped) bolts and ripped out threads on fasteners when I was a teenager and starting out on my association with fasteners, I haven't had any problems since then. I started to pay attention to what I was working on and whether it was a shallow, small (1/8") diameter thread in...

Poppet valves are pressure activated....by increased water pressure coming from the water pump with higher engine RPMs. If the engine has no thermostat, it has free flowing channels for "limited" circulation at the lower RPMS. If these passages are blocked by corrosion or foreign objects, then...

If that's a 15' Tri-hull that's a good match. Back in the early '70's when they were popular, lots of folks had that length with a 60 HP. Could pull a skier with a couple of folks in the boat at a good enough speed for everybody to have a good time.

One of my granddads had a small farm and liked for me to help him plant when that time would come. On one occasion we were heading back to the house for lunch and he stopped at 2 Dill plants. He took a whiz on the tall one. Said he was fertilizing it......must have been as it was about twice...

Agree....like water pump impellers....since you went to the trouble to inspect it, why shouldn't you replace it?

On the ignition problem, I'd loosen every connection from/to the packs and once slightly loose, work the wire back and forth which will shine up the contacting surfaces.......then re-secure the locking device....screw-nut. If the (ground) wires under the screw have corroded terminals....which...

I think a lot of "adventure" TV shows have a certain degree of "setup" to keep the audience's attention. Some of the stunts they add are real jokes.

Reports from owners on here and elsewhere indicate that Tohatsu makes a great engine.....Maybe that's why Merc. decided to use them. There was a TV show on Dish (when I had them) that was filmed in the La. brackish water area, SW of NOLA and there was mention on there about their reliability...

Er ah.....my Mercury manual says that if the Stator yellow wires aren't connected to a circuit....rectifier and load, or rectifier/regulator, the Stator is damaged. My guess is that the voltage rises to a very high voltage (with no load) and you have an arc-over in the Stator.....we addressed...

The AC voltage on the yellow wires is RMS.....Root-Means-Square. It is about 70% of the Rectified and filtered DC peak. 12.3V/.707 = 17.4. Pass it through some diodes and load it down due to resistance in the charging circuit and you wind up with 14.5V which is the tops for most circuits of...

From my memory: Yellow is AC input from Stator. Grey is tach output to tach gauge. Small red is operating power and large red is battery charging power output.

The OMC 3 was Loop Charged which made a BIG difference in fuel consumption plus a redesigned, streamlined, lower unit. In looking at later sales brochures I notice that the Merc. 75 has 3 carbs and is also Loop Charged.....don't know if the earlier model 70 with 2 carbs was a Looper or not.

As a "receiver" I can assure you that helping somebody else out with their problems (if you can) is a walk in the park.

Follow the fuel input hose to the fuel pump attachment point.....look at the hose below it.....I see what looks like that connection is bad.....replacing the hoses is a good place to start. Wiring seems to be in good shape. Usually new kits in the carbs with a thorough internal cleaning with...

Don't walk away from the "deal"........RUN!!!!!

Can't help you there but you just caused me to recollect another of the reasons I didn't like my tri-hulls....If you were heading N for example and the wind is blowing up decent waves from the East, with the helm on the Starboard side of the boat, you got wet as the Starboaard Sponson threw a...

On my last boat I had a temp gauge and as you, I could see the poppet open since the engine temp would drop to the ambient surface of the lake temp. The boat in my Avatar was 2 years old when I bought it. First time out I honored the "No Wake" area near the launch and everything was working...

We each have our own idea as to how we maintain our equipment. I'm a "don't fix it if it ain't broke" guy especially on water pump related work due to the accessibility. If I were going 25 miles out in the ocean I would surely have a more conservative attitude than the couple of hours I putted...