Small engine Champion spark plug (RJ19LM). If the engine does not start, the spark plug may be defective. The spark plug should be replaced periodically during regular maintenance.
MTD flange lock nut, 5/16-18.
Screw, 1/4-20 x .5
Lock nut, 3/8-16
Self tapping screw, 5/16-12 x .75
Curved head bolt, 5/16-18 x 2" Lg.