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| Boating Talk For discussion of everything related to boats and motors |
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#1
02-16-2020, 01:33 PM
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9.8 mercury problem
I have a 1970?s-ish Mercury 9.8 thunderbolt, motor starts fine and purs like a kitten. With just me in the boat it will start to bog when wide open but then eventually get up on plane to about 21 mph. When under load with 2 people in the boat, the motor will bog when wide open and stay sputtering only going maybe 5 mph. Any ideas what may be the issue? Thanks guys.
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