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    Carb identification

    I?m trying to check\verify my jet size. I have a 1988 Black Max 150. According to the manual I should have a WH1-1 through WH29-3 type of number stamped on the base of the carb. I can see a WH that was part of the mold but no numbers stamped anywhere near the WH. All 3 carbs have 1374-5427C...
  2. B

    No spark cylinders 1 and 4

    I have read these forums for years and have always found answers to my questions but this time I?m over my head. 1988 Black Max 150 no spark on cylinders 1 and 4. Replaced the Trigger coil, same problem. Swapped Ignition coils with known working ones, same problem Swapped inside and outside...
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