Here is a link to buy a starter reel and spring:
link Here is a whole new assy:
https://www.outdoorking-forum.com.au/index.p...mp;cPath=193_514_224&products_id=625As for finding a second hand one try hitting up ebay, or curbside collection, they can be found just about anywhere.
I would also reccomend a new O ring to go under the starter, just be careful while fitting it up as somettimes they spring down while installing the starter to the block.