Sucks & is unreliable
Don't have a sucks repair kit .
As for Ammzon & Evilpay about 1/2 of the people selling there are the same crooks just using different names
And all of them will be selling the same junk starter from China .
Buy one from a real mower shop, Auto electrician or stand alone on line parts retailer.
A good quality starter will have a BRAND NAME Stamped into the body
Lesser ones will just have sticker on them
Junk ones will be listed as unbranded
As dad used to say
HE WHO BUYS CHEAP PAYS THRICE
How many factories do you think make B & S starter motors 1, 2, 3 ,1000 ?
You would be lucky if more than 4 make the starter so the 5000 different ones on EvilPay & Ammozone will all come from the factory that makes the cheapest ones or be defective ones that some one bought as cheap scrap metal or will be defective ones that get sold as defective to factories who repair them to various levels of quality .
As I said, I replace about a dozen of them every year so the cheap $ 50 starter gets replaced with a good $ 150 starter + a $ 40 solenoid and often a pair of battery leads that were the actual problem in the first place.
Then there is another dozen or so starter pinions , 1 or 2 bendex gears , and 1 or 2 sets of brushes for the customers who have the common sense enough to ask me to fix their mower that does not crank properly.