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    1991 Rude hitting rev limiter

    I have been making changes to my setup. I have a 20HP rude with a 28HP carb and TNT on a 16' boat and run a 13 pitch prop. I hit 5000 RPM by myself in boat and 4400 with a 180lb passanger. I switched to a michigan marine 11 pitch and I am now slaming the rev limiter at 5200 rpm at 3/4 throtle...
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    Evinrude water pressure

    I am wondering what the water pressure in pounds should be on a 1991 Evinrude 20 HP. Don't laugh :rolleyes: but the motor is on a CMC pt35 TNT which raises the motor a good bit up and back 6 inches and I just want to be sure I am getting good water pickup at WOT
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    Evinrude oil question

    I have a guestion. Which 2 cycle oil is better to use in a premix stiuation XD 25 or XD 50 . I have a 1991 Evinrude 20 HP motor running 50 to 1
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    Turbo hot shot prop for 20 HP

    I have a 20 HP evinrude with TNT and am in need of a prop as it was just tuned up ( just purchased motor) and it has a spun prop as it is slipping a good bit. I have a 10 1/8 x 13 and it runs well with this size but if I am getting a prop I am going stainless. I am looking at the Turbo Hot Shot...
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    28 hp carb on a 20hp motor?

    How will a 1991 Evinrude 20 hp motor work with a 1987 28HP carb on it. They look thike they will bolt up exactly and the only big difference I can see is the carb opening (drew a blank for the part name) size . How much difference will it make in performance by changing just the carb besides the...
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    spedo question

    I just installed a new spedometer. it is a teleflex 5 - 35 mph unit. It registers up to about 20 or 21 MPH with 2 people full load and full tank with a Rude 20 TNT at 4500 RPM at WOT in m 16 foot Aluminum semi V bass boat. Now I had the other person get out so I lost about 175lbs same water...
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    RPM range for rude 20

    What is the Max RPM range for a 1991 Evinrude 20 HP. Right now at full load and tank with a Aluminum 11x13 crisp prop and TNT and two people I get 4500 RMP at 20 to 21 MPH. With 1 person I get 5000 RPM and the same 20 mph ( I beleive spedo is not working right as I know I am going faster that...
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    wrong area

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    rubber seal around hood

    I have two hoods here for my 20 Evinrude. One that was busted up in shipping of the motor and the used replacement. The busted one has brand new rubber seal and the replacement has a fair seal. What is the best way to change this seal. I know there are large staples that hold it on but once you...
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    tilt and trim question

    I have a CMC pt30 TNT and have a question on pin placement. I have my motor pin in the very first hole so the motor in tucked down as far as at can go. If I moved it up one hole how much will that afftect the performance with the trim. I have a 11 x 13 prop on a 20 HP Evinrude on a 16 foot...
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    Evinrude 20 hp to rich

    I have a question my Evinrude 20 hp motor is running to rich as you can can smell it after you shut it off after a long run and the plugs are starting to file. I have the big needle valve in the top front of the carb. I was told to turn the needle valve out to the left but I was just looking at...
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    20 hp hop up

    Hello,<br /> It is my first post here so please be gentle. I live in a motor limited state so the local hp rating is only 20 so the big rage is to get the 20 hp motors and hop them up. My question is as follows.<br />I have just purchased a 1991 Evinrude 20 Hp motor and have been told by a few...
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