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  1. K

    Carb fuel bowl vent jet size?

    Anyone have the ability to look up the correct fuel bowl vent jet diameter I need for an '88 Mercury Blackmax V-200? Serial number is B264174. I'm looking for cylinder 1&2 but if you have it and could post all six so I could confirm what is in the rest I would appreciate it very much. TIA
  2. K

    '88 Merc Blackmax 200hp Poppet help!

    , poppet replaced with kit, strong cold water stream coming from weep hole. Took apart again, replaced ...same thing. Can't figure this thing out! Anyone replace this before that could help me out. I used the Sierra kit with new gaskets. Photo's, video's, any advice? I've switched the diaphragm...
  3. K

    200 H.P Mercury Black Max Cooling issue/s

    Hello again everyone, First, thank you for helping in the past. You guys have saved me more times than ....well than I have posted. Just reading others struggles have helped end mine (temporarily) and I thank you. I have an '88 (if I'm reading the serial number correctly... B264174) blackmax...
  4. K

    200 h.p. merc blackmax help

    Hi everyone just looking for any advice before I bring her into get looked at. I have a '96, or '97 (can't remember) Mercury Blackmax that has been converted from oil injected to mix 50:1. Every time I run her over 3/4 throttle for more than about 5 minutes, when I bring it back to neutral...
  5. K

    '94 merc black max need help

    I recently purchased a boat with a 200hp merc black max... Oh please note my boating and motor expierence is rusty,limited, and obviously not that good...After having trouble starting the motor I took the prop off and placed the motor in a bucket and got in running...long story short >...I didnt...
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