If it's not the impeller then most of the time it's the risers that need to be replaced. They rust on the inside and the rust flakes clog the water passages. My 190 LX had the same problem and was running on the original one piece risers (discontinued). After replacing the riser manifolds with...
I have a 1997 Sringray 190 LX with a 4.3 Alpha 1, Gen 2. Love the boat and have kept the seats and driveline in good repair. However the years and sun have damaged my dash panel and glove box panel to where they look pretty unattractive. this is oxidized and breaking down way beyond what...