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Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I Have a 90 HP yamaha 2004 four stroke. Starts fine, 3000 to

Customer Question

I Have a 90 HP yamaha 2004 four stroke. Starts fine, 3000 to 3500 engine chugs and seems to be louder than normal. Once I reach 4000 it runs fine. If you hammer it, it goes right thru the problem area and runs fine. You have to increase throttle slowly for the problem to occur
Submitted: 1 year ago.
Category: Boat
Expert:  Jason replied 1 year ago.

Hello my name is ***** ***** am I speaking with?

Do you have the exact model number on the engine handy?