leg removal

[aussie]

hi guys when i get the leg of what should i replace if the bellows looks good do u reseal them and there a exhaust flap too never had one off so if theres ant things to look out for please let me no

water pump on my leg how do i no which one to buy

when i first took my boot out it sounded the same as a slipping tranmisson on a car but then it stopped doing it after a while could this be stuffed

http://cgi.ebay.com.au/Mercruiser-En...item2eb44f3ed1

looks like its just moulded rubber