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Old 29 July 2016, 18:36   #1
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Honda 60HP 4 stroke idle problem

Hello,
One of my sailing clubs ribs suffers a problem when idling, it's a Honda 4 stroke 60HP from 2011. The engine will idle for ~10 seconds. I have replace the fuel lines and cooling system and the problem still consists. Any ideas?
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Old 29 July 2016, 18:38   #2
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Also forgot to mention that we had gravel in the impellor, but as far as I'm aware a Honda dealer fixed this. The engine seems to tick over before it cuts out.
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Old 30 July 2016, 01:53   #3
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try the easy bits first put some fresh fuel in it and a new set of plugs and go from there
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Old 30 July 2016, 05:37   #4
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try the easy bits first put some fresh fuel in it and a new set of plugs and go from there
Plugs were replaced a few weeks ago, the fuel system has been flushed.
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Old 30 July 2016, 05:56   #5
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Honda OBs can be prone to gumming up due to non fresh fuel. This can lead to idle issues.

I run our's up on flush muffs and blat carb cleaner through it, it seams to work. Spike the revs and hold it back from over revving by partially stalling it on carb cleaner is my technique. It'll cough a fart a bit.
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Old 30 July 2016, 10:50   #6
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check inlet manifold for vacuum leaks
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Old 07 August 2016, 20:34   #7
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I've had the same motor, just a little older and bigger but same class. I would have the same issues and for me cleaning the injectors would fix the issue. It's a pain.

I was told that very minuscule objects in the fuel would build up around the jets either restricting flow or clogging all together. If I can recall, the mechanic said the new fuels can exacerbate this problem.

The mechanic would take the injectors apart and clean them sonically. It happened twice in the first year I owned the boat. I had a 170L fuel tank that was contaminated that was flushed out twice and new in line fuel filters installed and still ended up with the problem from residual contaminates that were missed from the flushing.

It's a great motor and I loved using it but I really look forward to never having to deal with that again.

Hopefully your issue is easier to rectify.
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Old 08 August 2016, 03:33   #8
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Ours is a yam F115 and we installed a Racor 2 micron filter as injectors clogging is a real issue these days. Its not very difficult to remove the injectors and have them tested and cleaned. It sounds like this has happened to you before?
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Old 08 August 2016, 11:35   #9
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Another thing to consider is where you get fuel from nowt like cheap supermarket fuel for fecking injectors up 🙄
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Old 08 August 2016, 12:58   #10
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Another thing to consider is where you get fuel from nowt like cheap supermarket fuel for fecking injectors up 🙄
we used cheap supermarket fuel a couple of times for our chainsaw and the difference in running is very noticeable cheap crap springs to mind
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