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  1. #1
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    2.5 carb difference?

    Early 90s 2.5 200 merc. The carbs that are on my engine have the pumpers on them. In the beginning of the year and yesterday i almost lost my engine due to those pumps. I had the clips pop off which caused the plunger and spring to pop out. Every tome they pop out theres a chance of sucking them down the carbs and killing the engine. I have another set of carbs without the pumps that im looking to switch too. Is there any differnce between the t to?
    Thanks edd
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    16ft superboat
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  2. #2
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    there some numbers stamped on the throttle linkage side of the carbs, they are probaly jetted different , i personally hate them pumpers and gave 4 sets to james perry , the next geeration of those lil gems had the pump casting but no pump then they finally stopped with the casting they are wmh carbs what horse power are you running

  3. #3
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    it looks like wmh 3 which are orginally from a 200 hp if you can find some wmh21 they are good carbs for a 200

  4. #4
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    Hp is prob around 215-220 spins around 68- 7k. The pumpers are the orignal carbs to this engine just with fat jets. Im thinking on taking the bowls from the other set of carbs and swap them out with mine.
    16ft superboat
    14ft vixan
    15ft viper
    24ft sleekcraft
    21ft sleekcraft modvp
    18ft action hst drag
    18ft accelerator drag
    21ft redline
    18ft vking yt
    20ft Allison grandsport
    20ft laser 420
    18ft X-Stream Vking
    24ft banana


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