Hello, I was reading through posts found a lot of threads on this engine but not exactly the same problem but close i can put muffs on it and will idle fine and rev up fine but as soon as it touches lake will not idle rev or anything will start but have to choke every time the engine has set for approx 2 years i bought it last week and havent got it rite changed plugs really new to boating id appreaciate any help thx