In Reply to: Replacing Starter motor posted by Peter Jochimsen on August 05, 2019 at 11:51:47:
More people will see this if you post it in the Ntractor Forum. Just look for N Board in the red heading.
On that forum, scroll down about 8 posts and you will find similar question on a 8N. Not sure it's 100% accurate for a 9N.