Lawn Boy Tecumseh Engine No Start

Didn’t want to bring it back to me last year and it shows! RPM for 21 INCH blade 21/12 times PI = circumference 1.75 x 3.14159 = 5.497 ft 19000 / 5.497 = 3456 RPM If this video helped you please consider helping the channel by visiting my Amazon Wish List! https://www.amazon.com/hz/wishlist/ls...