The Yamaha web site seems to suggest that the new model 9.9 has improvements that affect the noise level. Did those of you who have installed the newer engines notice a difference?
Henry
New Yamaha 9.9 vs old noise level
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Re: New Yamaha 9.9 vs old noise level
Most definitely. Unfortunately the biggest difference is at idle, can barely tell they’re running. At full throttle they’re still louder than I’d like.
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Re: New Yamaha 9.9 vs old noise level
I tend to motor with engine at 3600 rpm. Is there a noticable difference at this point?
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Re: New Yamaha 9.9 vs old noise level
Yes. But only because I have a '98 and a 2013 on either side.