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As there have been only one response to my survey And it doesn’t conform to my theory I will clarify what I found After doing all the work I indicated to alleviate the vibration and then had it return I was baffled to say the least Well on my last haul out I discovered that the stern...

I understand it a known issue and greatly discussed. I have been part of that discussion. I have also spent more than 15k trying to solve the issues. I replaced the cutlass bearing, removed prop and shaft tuned balanced and finished with prop speed. I also removed the rudder and had it checked...

Pilot 34 vibration issues I think there may be a simple solution to the vibration issues However in order to clarify and narrow down the source Please respond the the following survey 1 model year 2 single or twin 3 bow thruster 4 bow and stern thrusters 5 location of boat 6 bottom...

Water tank If not under the salon floor and accessible thru that small panel. I would check under the v berth. It’s is a 75-100 gal.aluminum tank so should not be that difficult to find.

Copy of my wiring diagram

1. The original charger was the older model of the 1250 pro mariner. I changed that for the new pro mariner 1250p The old in line 60 amp ceramic fuses were removed and replaced with 60 amp circuit breakers 2. On my previous boats a sail boat then a trawler I always had a 1, 2 or both switch...

Thanks for your reply. I actually based my project on your charging modifications. So thanks for that and all the great information on your website. I think I will also parallel the generator and house battery. When I need to change out the batteries I will also replace with group 31’s.

Miru is a 2007 Mainship pilot with a single yanmar 6lya 370. My upgrade began with charging out the original pro mariner with a new pro mariner 1250/ 50 amp charger. While doing that I replaced the inline ceramic 60 amp fuses with 60 amp resettable breakers. With the ceramic breakers it is not...

On my pilot 34 I am using a Ronca Vulcan 35 pounds. It works very well and deploys easily.

There are four struts on my 07 pilot. The middle two seem to be secured into the fore and aft stringers with screws. The out board struts are thru bolted and backed up with washers. The starboard strut seems to have a slow leak. I have not been able to access the fasteners from the stern hatch...

I do not understand the middle photo. What is the stainless u shaped part on the stern used for. Is it used for the davits. Not sure how this all works together? Could you please explain.

Determined that the leak is from the elbow fitting where it connects to the water regulator. The fittings are marked sea tech but are now made by “ Fresh Water Systems”. The fitting is removed by pressing the ring where it enters the tubbing. I was able to get two fingers in to remove and...

The fresh water sending unit on my 2007 34 pilot is accessed under a small insert in the floor of the salon.

I have no access to the fittings behind the water pressure regulator. I removed the water pressure regulator at that is where the leak is. The fitting is a Sea Tech compression fitting. So far I have not been able to get my fingers in to remove the fitting, but will give another try before cutting

Thanks for your great info. I can not see the back of the fittings, the hot water heater is not allowing me to get my hand close enough to see or feel the connections. Is your water heater on the port side?

My 2007 pilot 34 has developed a fresh water leak. The water is from behind either the port hose bib or behind the water pressure regulator. I can not find a way to access the plumbing connections. There is no way to access from over the water heater or from the cockpit lazaret. Water leaks...

Regarding the issue of vibration. I have a 2007 pilot with a single 370 yanmar. If you are experiencing ongoing vibration, I suggest that you check the alternator belt. When the belt has excessive slack it can slap against the protective shroud. This can create quite a racket and vibration noise...

Have you noticed an appreciable sound reduction?

I have a Pilot 34 and am curious if anyone has added sound insulation to the inboard side of each fuel tank to absorb engine noise?

Can the sliding door be removed without removing the shroud? One response indicates the door can be removed with the shroud in place while another removes the shroud. Is it possible to remove the door without removing the shroud cover?

5” is the maximum that the shaft cantilever should be. When the shaft zinc is worn it may cause the shaft to be out of balance. A clean bottom is also a must. In south Florida where I am a diver is necessary at least once a month. Also the yanmar 375hp is noisy at high rpm but this is not...

I have been through these same vibration issues and have written about it in several posts. However here is my story and what I believe to be my solution. I purchased The boat in 2016 sea trialed and it surveyed perfect. After about 9 months the vibration/cavitation began. The vibration began...

Try closing the raw water in take and flush with fresh water from a gallon jug or the shower head if it reaches. If that makes a difference plumb the head to fresh water with a back flow preventer or from a separate tank. Used the shower on my old trawler and solved issue. Simple solution

Yes it is thru bolted, not easy but can be removed without removing the shaft. However while removing the rudder and shoe you might as well remove prop to balance and the shaft to check for trueness. Also note that if vibration is your issue I would look into the easy things first. Check for...

Hi Peggi, could you please send me a copy of Vacu Flush 101. My address is irruoak@gmail.com Thank you