Most snow blowers have the spark plug on top of the motor :to change a spark plug you get a spark plug wrench (take wire cap off the plug) put wrench on spark plug then turn counter clock wise to take it out. To put a new one back in reverse the proses
Spark Plug gap is .025
Champion RDJ7Y is the correct number.
Mine has original plug, it is a: Champion # CJ8Y
The recommended spark plug gap for a Craftsman snow blower using the RN9YC spark plug is typically 0.030 inches (0.76 mm). It's important to check the owner's manual for your specific model, as some variations may exist. Always ensure the gap is set correctly for optimal engine performance.
.030"
.030"
http://www.toro.com/home/customercare/interactivemanuals.html Snowthrowers Single Stage Snowthrower TOC Maintenance Spark Plug Conditions Page down to Replacing a Spark Plug
Rj19l
Spark plug gap should be .025 http://store.chainsawr.com/
Champion CJ8 spark plug is for the crsftsman 3.0 edger/trimmer
.030
.03