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Greetings: My 1999 2520MV is powered by twin 150HP (2 stroke) Yammies. About a year ago, the fuel flow gauge began to intermittently stop indicating fuel flow, first on the port engine, then the starboard. Periodically, the fuel flow indication would resume, but only at high RPM. I discussed...

Greetings: I've got two small problems with my tank-to-engines fuel system in my 2000, 2520/twin 150 Yammies. 1. The fuel level sending mechanism in the tank has quit working, so the quantity information isn't getting to the Yamaha gauge on the instrument panel. In attempting to remove the...

Greetings: My 2520 has been sitting in the sun for 10 years and the cowls on both engines have succumbed to UVs; the original paint is faded and the decals are pretty much gone. My winter projects deal mostly with cosmetic needs and the cowls top the list. I have the decals, I've located a...

Greetings: The mounting mechanisms for the oil tanks in my 2000 2520MV are rusted beyond restoration. Why Yamaha ever used painted carbon steel for these things is beyond me, and I am going to remove and replace them with plastic battery trays and nylon hold-down straps. This project will...

Greetings: My 1999, 2520 with twin 150, 2-stroke, Yammies has two oil tanks mounted in the aft bilge area. The tanks have never been a problem, but the metal mounting brackets have rusted badly. In assessing the rust, I believe that corrosion control efforts would be ineffective. I'm...

Greetings: In performing an annual change-out of foot oil in my 150HP Yammies, I've noticed that the oil from the port engine always comes out darker than the starboard engine. It's not "milky", and I have no evidence of water or metal filings; the engines perform identically fine and I...

Greetings: The overhead hatch in the cabin of my 2520 SCMV is stuck in the closed position. After several years of never opening it, during a maintenance/corrosion control effort, I released the latches and pushed up --- but was unable to move it at all; even tried using "leg" pressure, but no...

Greetings: A couple of weeks ago I was replacing some caulking on my 2520 using the subject 3M product and, once again, found that the job required more than the 3oz. tube but a lot less than the 10oz. tube. This stuff is a great product but, once the tube is opened, any contents remaining...

I stumbled upon this site last week and find it to be excellent! I own a 1999 2520MV with twin 150 Yammies and use it mostly for fishing in the Gulf. I had it built with the drop-down curtain option separating the pilot house from the working deck; this has really worked out great in the land...