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Old 11-24-2015, 03:56 PM   #1
City: Miami
Country: United States
Vessel Name: Naut-A-Yacht
Vessel Model: Mainship
Join Date: Nov 2015
Posts: 5
Bow thruster oil reservoir

Hey there,
Before I start taking my boat apart, can any one tell me where the reservoir is on my 2001 390 Mainship Trawler? On my last boat (Sea Ray) I had to disassemble the medicine cabinet to find it.

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Old 11-24-2015, 04:50 PM   #2
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City: League City, Tx
Country: Texas
Vessel Model: Carver 356
Join Date: Oct 2007
Posts: 4,968
I had a Mainship Pilot 30. The reservoir was mounted nearby right next to the thruster motor. It should not need to be topped off. If it is losing fluid, that is not normal and there is a leak somewhere. So in your Mainship I would assum it is under the forward berth???
Prairie 29...Perkins 4236...Sold
Mainship Pilot 30...Yanmar 4LHA-STP...Sold
Carver 356...T-Cummins 330B
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