Bought a 2009 boat with 50 HP E-TEC. Seems it was well cared for. Since it is 10 years old, i decided to replace the water pump. I have it apart with new kit in the mail. I was surprised that the impeller is still flexible with minor wear to base plate. Not suggesting you wait 10 years to...
Recently purchased a 2005 Glastron with 4.3 Volvo. First test drive had poor performance. Tuned it up and was better. Original specs lists a 14 1/2 x 19 prop. I had a 23 pitch, so i changed to a 21 that came with boat. Now it runs better, but still only 35 mph at 3500 rpm. Checked with GPS...
2005 Volvo 4.3 the plugs i removed are AC DELCO 41-932. No auto stores seem to stock them or have a cross. They have red paint on them, so i have to guess they are original from 2005.
