I'm wanting to order a water pump kit online but they have one for a 20" Transom and 25" transom. How do I know if I have a long or short shaft end? My engine is a 1995 Johnson 130HP
http://www.crowleymarine.com/johnson-evinrude/parts/50288.cfm
http://www.crowleymarine.com/johnson-evinrude/parts/50288.cfm