Hey guys,
new boater here very green and need a little help.
have a 99 bayliner ciera 2655 with a 2004 Merc 5.7 TKS
I start it up and idles fine at about 650-700 RPM’s
Runs at about 160 degrees
Take the boat out and it seems to be running very well for a while but after a bit the RPMs just...