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Mercury 115 CT missing

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Post Options Post Options   Likes (0) Likes(0)   Quote Alan L Quote  Post ReplyReply Direct Link To This Post Posted: 27 Jan 2025 at 8:47pm
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Titanium
Titanium


Joined: 21 Nov 2012
Location: Hastings
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Points: 6060
Well we are hijacking the OPs post now.
But to round it off, I used to use the Merc oil. Then I came across Lubrimax (Aus I think). 1/2 the price. (The boat is in Vanuatu) Used it for the last 4-5 yrs. No issue. I have 2 boats like this - use one in the summer and one in the winter. So around 3-400 hrs per yr.
How much did I use? Dunno exactly.I have a 40 l fuel tank - would use 30-35 l most trips and went thru a 4 l bottle about every 4 tank refilss - eg about 120l. Sound right? Don't have any exact figures. Fishing costs money . Rather spend it on boat fuel etc than pee it up a wall in the pub. So I don't really count that stuff, and I don't go to the pub.
Alan
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Post Options Post Options   Likes (0) Likes(0)   Quote Alan L Quote  Post ReplyReply Direct Link To This Post Posted: 28 Jan 2025 at 8:16pm
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Titanium
Titanium


Joined: 21 Nov 2012
Location: Hastings
Status: Offline
Points: 6060
For the benefit of the OP, since his thread went a bit wayward, what I would do is largely as KAndrew suggested.
Put the engine on muffs and run it at idle for the critical period. Check the fuel bulb.
If you can, check the cyl temps. Prob need an IR gun. For cars I just feel the headers after a few seconds running. But you get the idea. Also suggested has been stray HT. You could chance your arm as suggested and run your hand over them. Also I find tracking stray HT works good in the dark. You can see it.
Then engage a gear and run the engine hoping it will misbehave - and check all again.
If it does start misfiring, pull the plugs..
If nothing shows up, then it is likely to need a diagnostic plug in.
Good luck
Alan
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Post Options Post Options   Likes (0) Likes(0)   Quote Mc Tool Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2025 at 8:00am
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Gold
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Joined: 23 Dec 2021
Location: Riverton
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Originally posted by Alan L Alan L wrote:

Well we are hijacking the OPs post now 
 Yeah , sorry about that Smile
I wish I was young again .... Id be heaps smarter than this time
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Post Options Post Options   Likes (0) Likes(0)   Quote Alan L Quote  Post ReplyReply Direct Link To This Post Posted: 29 Jan 2025 at 6:00pm
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Titanium
Titanium


Joined: 21 Nov 2012
Location: Hastings
Status: Offline
Points: 6060
Originally posted by Mc Tool Mc Tool wrote:

Originally posted by Alan L Alan L wrote:

Well we are hijacking the OPs post now 
 Yeah , sorry about that Smile
Sent you a PM - hadn't answered all your Qs,
Alan
Legasea Legend member
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