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Author Topic:   Optimax Air Compressor Bolts Backing Out
JoeyP posted 06-04-2003 11:26 PM ET (US)   Profile for JoeyP   Send Email to JoeyP  
Has anyone recently heard anything about the air compressor bolts backing out on certain Optimax motors? There was a post on the hulltruth board in reference to this. I know some of us read that board frequently. There are certainly a bunch of OptiMax engines on a lot of the Whalers. If there is any merit to this it might be something to have checked.
bsmotril posted 06-05-2003 11:48 AM ET (US)     Profile for bsmotril  Send Email to bsmotril     
There was a retrofit to 1997 and early 1998 small block OptiMax 135 and 150-HP motors to replace the alternator bracket. Had both mine done under warranty on my 135-HP motors. No problems since.
jamesmylesmcp posted 07-31-2009 06:54 PM ET (US)     Profile for jamesmylesmcp  Send Email to jamesmylesmcp     
Found this old thread via a search here. Some of you may benefit from my experience:

A few weeks ago I had an alarm and Smartcraft read 'check engine'. Well removal of the hood found this:

The compressor had completely broken free from the block ! The compressor has two bolts up top and one below, the lower one was gone and the picture displays the result. The repair was done under warranty, no costs out of pocket, Mercury provided a new compressor for my 2006 Opti 150 no questions asked didn't even want the old one! The new compressor has an additional bolt below. The fact they didn't want the part back indicates a known problem. Check your compressor bolts !

acseatsri posted 08-01-2009 04:52 PM ET (US)     Profile for acseatsri  Send Email to acseatsri     
Wow, with a defect like that I would think Mercury would have done a recall. I would hate to have it happen 20 miles offshore.
Backfire posted 08-01-2009 06:17 PM ET (US)     Profile for Backfire  Send Email to Backfire     
You are lucky, sometimes the bracket brakes and other times the bosses on the block tear out.

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