I have an 06 Moomba Outback V, it has a little over 600 hours on it and it has been at least 2-3 years since it has had any maintenance other than oil changes. It seems like the boats fuel efficiency has been getting worse and worse lately, today about 8 gallons got about an hour of runs, there was not an absurd amount of stop and go driving I’d say an average amount. Does that not seem abnormal? I know I need a tune up and all but do the things a tune up cover really affect the millage that bad? Is there any other possible problems? Thanks for the help.
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