- Posted by sigsy on July 13, 2003 at 17:04:49
I have recently purchased a 2003 115 horse 4-stroke mercury engine for my crestliner. It seems to run very well, but I find when I am running 3/4 throttle or better and throttle down quickly, I hear a noise that sounds like a rattle coming from the lower unit. I heard this noise as well when I first picked up the motor and they ran it at idle with a water hose connected it. The dealer assured me it was normal and had something to do with back pressure. Has anyone else had this problem or can tell me what it is? Appreciate any help.
Follow Ups:
- Re: Mercury 115 4-stroke noise - luvs4strokes 12:51:39 09/26/03
(0)
- In Reply to: Mercury 115 4-stroke noise posted by sigsy on July 13, 2003 at 17:04:49:
I also had the problem you stated. It is normal as I asked my dealer the same.
- Re: Mercury 115 4-stroke noise - youngjimhawkins 10:07:25 07/15/03
(0)
- In Reply to: Mercury 115 4-stroke noise posted by sigsy on July 13, 2003 at 17:04:49:
I haven't had that problem, but it sounds like slack (backlash)in the lower unit gears. There is little you can do about it. A solution might be to throttle down gently instead of quickly.
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