I have a 2005 Searay Sundeck 5.0 MPI 260 HP Engine runs great but when I run it wide open the engine knocks slightly. If i back off on the throttle a little the knock goes away. Any ideas???
2005 Searay Sundeck 240, Mercruiser MCM 5.0 L MPI
While operating my boat yeaterday I had the motor at 4100 rmp's. The rpm's increased to 4600 without touching the throttle. After about 20 seconds they decreased to 4100 then back upto 4600. The rpm's stayed at 4600 until I backed down on the...
