Here's the microfiche
90hp 2009 part 18 and 19
https://www.huntsmarine.com.au/pages.../COMMON9014934
115hp roughly same year parts 18 and 19
https://www.huntsmarine.com.au/pages.../COMMON9014934
they have the same part numbers under both 90hp and 115hp which is weird i am thinking one may be an over sized cam for when engines get down the track and need to be tunnel bored out