Flushing a badly mothballed motor
Printed From: The Fishing Website
Category: General Forums
Forum Name: The Boat Shed
Forum Description: Discuss all things boating.
URL: https://www.fishing.net.nz/forum/forum_posts.asp?TID=139013
Printed Date: 28 Jan 2026 at 9:32am
Topic: Flushing a badly mothballed motor
Posted By: Mc Tool
Subject: Flushing a badly mothballed motor
Date Posted: 23 Jan 2025 at 8:13pm
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I just scored a 75hp merc 2/ , not to sure of the year but about 2000 ish . Anyhow , long storey short ( for a change  ) , this thing was last run 2 years ago , in salt water , taken home where the decision was made to not use it any more and it was parked without any flushing ( apparently the PO was quite diligent up to this point ). Fortunately a son in law had the presence of mind ( some time later ) to make up a stiff brew of fuel and started the engine , without any water and choked it to death with 2/ oil .......and the bore scope sez he did a good job . I want to run it in a tub full of something that will dissolve the salt and any corrosion . Id be happy to run it for a day if it works What is the best stuff to use ( I am Kiwi so I will at least double the recommended concentration  ).------------- I wish I was young again .... Id be heaps smarter than this time |
Replies:
Posted By: kimber7wsm
Date Posted: 24 Jan 2025 at 6:30am
| Water is the best salt remover. Warm water is even better. Watch how quickly in a glass of warm water salt disappears when stirred. Take it for a day on the lake towing skiers or biscuits. Easy and fun! |