Mowtownusa Snow Thrower Starter Switch for Toro S-200 and S-620 units # 29-5560 40-594 "gap plug settings spark" Questions

I have a 2 stroke Toro 724 snow thrower and need to replace the spark plug. What is the plug no. and the gap setting. Ngk BR6S gapped at .030 inch.

...the electric cord. Change the spark plug being sure to set the spark plug gap as recommended in the owner's manual. Then clean or change the air filter. Finally use new high test gasoline. good