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  1. K

    RPM drop at high RPM

    What would cause an RPM drop at high RPM on a 2 stroke carbed 2003 200XL SWB? Once i hit 5k with a 21p prop or 6200ish with a 19p i get sudden RPM drop. Fuel issue has been ruled out completely. I have replaced all fuel lines, anti-siphon valves and filters. The tank vent is not clogged, carbs...
  2. K

    why 2 similarly pitched props have such drastic differences

    I have a 2003 proline 22 sport with a 2003 Mercury 200 XL SWB (carbed) and I have been to the moon and back with this issue. When I got the boat the guy had a tiny 4 blade 17P prop on it. It would turn in excess of 7000rpms so I changed it right away. I picked up a stock SS merc prop in a 19p...
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