Applications: '86-'96 6-15 HP; '80 thru 25 HP. 2-1/2" motor casing. 10-tooth drive gear.
Are there installation instructions for installing the kit in the starter motor?
No. The Arco Outboard Starter Repair Kit For Mercury/Mariner, 6-15 HP, 25 HP does not come with instructions as the manufacturer says that these are repair parts intended to be replaced by a marine technician with knowledge of starter repair.