David,
Here's a link to some info...
The site is great to go to for anything on MasterCraft. mymc knows his shizzle.
Hope it helps.
BTW...the Maristar 245 is the non-"X" version of the X45 (no wakeboard paraphenalia). Read the thread. It turns over to X45 discussion.
http://www.mymastercraft.com/forum/viewtopic.php?t=167 (Message edited by phat in cincy on September 07, 2004)