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Old 17 April 2013, 22:26   #1
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Country: Canada
Make: Mercury Airdeck 340
Length: 3m +
Engine: Mercury 20hp
Join Date: May 2012
Posts: 20
2012-02 Service Bulletin

Hoping for help finding a service bulletin or an indication of what the work involved. Merc - 2012-02 for oil gasket between power head and mid section.

Local dealer performed the work before motor put away for winter. About to use motor again, removed cowling to reposition it (was a gap) and saw rounded bolts holding powerhead onto midsection - up from midsection into powerhead (standard sockets on metric threads?). Dealer that did the work now out of business (the boat centre in horsehoe bay) so went to other dealer who had a look...

Apparently fix not show on Merc Net as my serial was 78 units out of the range so work was never entered (mech did put purple paint mark on block to show work was done). Merc. will provide replacement bolts but wont do the work... Main concern now is that if the mech was in such a rush that rounding bolts not a problem then what else should I be worried about / have a look at.

Have searched forum and made an attempt through google but apparently not my forte.

Thanks!
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Old 18 April 2013, 16:36   #2
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Country: UK - England
Town: Looe
Make: Delta
Length: 4m +
Engine: Mercury
Join Date: Apr 2004
Posts: 1,335
See bulletin as below. We have to put a green mark on the engines over here as below.
If its been done properly it should be fine, but run it for a while a check the crank case split for leaks with a torch. Pretty hard to say if they did it right or not. Wonder why they said it had been done and then not logged it with Merc net, if they didn't do that they would not have been paid by Merc to do the job. Maybe that's why the went bust!! Or maybe they didn't do it at all, if on inspection you can see a leak then you don't need to fix it.


Situation
Mercury Marine has received isolated complaints of engine oil leaks on the outboards listed above due to improper torque of
the crankcase bolts. Mercury Marine has determined that the torque applied to these fasteners during production may not be
sufficient to retain the proper torque under all operating conditions. Engines with insufficient crankcase bolt torque could exhibit
an engine oil leak at the crankcase split line seal.
Inspection
Outboards reworked by the factory or by an authorized dealer will have a mark indicating that they have been reworked. If the
outboard is still in its shipping carton and has been reworked, there will be a green sticker on the boxing matte in the area of the
model identification. If the engine is out of the shipping container, it will be identified by a green mark above the oil fill cap.
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Old 18 April 2013, 16:56   #3
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Country: Canada
Make: Mercury Airdeck 340
Length: 3m +
Engine: Mercury 20hp
Join Date: May 2012
Posts: 20
Thanks TD. There is a purple paint mark. I was let to believe it was 1.5 to 2 hours and a gasket.

Was in touch with Merc. today, another dealer ordered bolts and will replace them. Happy they will replace them so that no issue if a future warranty claim that I wrenched on it.

If just re-torquing am happy, was concerned about overall work ethic and remainder of work that was done as mech seems okay with rounding one bolt then continuing to round 5 more...

Thanks again, much appreciate the help.
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