This is off of a new 2000 RMK 800 motor, but can be easily adapted to all of the 800 Vertical Edge twin motors by using the 1 1/2" hose adapter that attaches to the top of cylinder head from model year 2000.
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=280267553447
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ssPageName=STRK:MESELX:IT&item=280267553447