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...