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  190 Montauk: Loss of Water Pressure Gauge Indication; Trailer Bearings; Lock for Reversible Pilot Seat

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Author Topic:   190 Montauk: Loss of Water Pressure Gauge Indication; Trailer Bearings; Lock for Reversible Pilot Seat
Ferdinando posted 08-23-2009 07:15 PM ET (US)   Profile for Ferdinando   Send Email to Ferdinando  
Have any [owners of Boston Whaler 190 MONTAUK boats been] having problems with the water pressure gauge? Mine just died and only marks 0. Any fixes?

What size bearing is used on the Karvan Trailer that comes with this boat?

Have [owners of Boston Whaler 190 MONTAUK boats] placed a lock on the reversible pilot seat? The rubber latch that comes with it is not very theft proof. [Give] any suggestions. Thanks to all,


sapple posted 08-23-2009 10:55 PM ET (US)     Profile for sapple  Send Email to sapple     
Regarding bearing size, I emailed Karavan with the model and serial number of my trailer and they sent me pdf files of complete parts lists. Once you find what you want you can order parts directly from Karavan.
Brian7son posted 08-24-2009 08:52 AM ET (US)     Profile for Brian7son  Send Email to Brian7son     

RE: the latch not being theft proof, unfortunately, with boats, that's pretty much the deal. Most cabin doors, drawer and hatch locks that you find on boats can be easily busted open with a simple flat head screw driver.

Try to not leave expensive items stored on your boat (like EPIRB transmitters, hand held VHF radios, and GPS receivers). If somebody wants in, they are going to get in. I actually leave my drawers unlocked because I don't want some thief to break the locks and crack open the drawers. It would end up costing more to fix that than replace the stuff that I leave in them.

sdbr911 posted 08-25-2009 05:39 PM ET (US)     Profile for sdbr911  Send Email to sdbr911     
My water pressure guage quit working a couple of months ago. I have a 2008 190 Montauk with the Mercury 115. I still have a good streaming coming out of the motor, so I haven't gotten around to fixing it.

I did a search here and on other sites and it seems that the common problem is a clogged hose. There is a small hose that runs from the starboard side of the motor up to the guage on your console. Detach it from the guage and the motor and blow it out with air or flush it somehow.

Ferdinando posted 08-25-2009 07:06 PM ET (US)     Profile for Ferdinando  Send Email to Ferdinando     
Are you referring to the plastic hose coming out on top of the lower unit on the outside?

Thanks to you and the others for your comments. I have a 2008 also.

Marsh posted 08-25-2009 10:13 PM ET (US)     Profile for Marsh  Send Email to Marsh     
The water pressure gauge on my 2005 Mercury 115 FOURSTROKE did not work at all last summer (2008). I tinkered with it off and on all summer, to no avail. Finally just decided to ignore it, as the tell-tale was very strong.

This summer, while hooked up to my garden hose one day for flushing, the water gauge started working again, and has been fine ever since.

Go figure.

fishinchips posted 08-26-2009 11:00 PM ET (US)     Profile for fishinchips  Send Email to fishinchips     
I have a 90-HP Mercury or Yamaha 2003 motor. Very similar to the 115-HP Mercury and Yamaha motor, except for the fuel injection.

My water pressure gauge quit working also. I diagnosed that problem and this is what I found with mine: at the motor side where the black water pressure hose attaches to the motor, I disconnected the black hose to the motor. I found salt buildup, thus blocking the water from entering the hose. The salt dried up hard in there. I had to slowly pick it out until it was gone. After than, I put every thing back together and my pressure gauge started working again.

Hope this help you guys out.

Ken (170 montauk / 22 hydrasports wa vector)

jimh posted 08-29-2009 10:41 AM ET (US)     Profile for jimh  Send Email to jimh     
Reports of problems with the water pressure gauge on certain Mercury outboards have been made previously:

2006 Mercury 90-HP: Water Pressure Gauge Show 0-PSI

This discussion gives good advice on making repairs to the hose, if needed:

Mercury 90 FourStroke: Water Pressure Hose Leak

jimh posted 08-29-2009 11:04 AM ET (US)     Profile for jimh  Send Email to jimh     
Also see this article for more reports of problems with salt build up in the Mercury water pressure gauge hose:

170 MONTAUK: 90-HP Two-Stroke Water Pressure Reading

sapple posted 08-30-2009 07:54 PM ET (US)     Profile for sapple  Send Email to sapple     
I few days ago I read this posting and said to myself, well, at least I dont have the no pressure gauge reading problem. I went boating today, no pressure gauge reading. The cooling water stream is still there and there were no overheating alarms. I guess I better look for the hose noted above.

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