tlewis1960
New Member
2005 challenger 1800- engine is Rotax 1503 4-tec, 4 stroke, campshaft, ligquid cooled - displacement 1493.8 cc; currently won't go over 30 mph - what is the top speed on this boat? Have been gives so many different answers - it is 185 hp. Engine states 4-TEC Supercharge...HELP