How to Test a Small Engine for Spark
If your small engine isn't starting, you'll need to diagnose many issues including the spark plug. This video walks you through the steps of how to test for a spark using a spark tester.
why does Makita show that this P/N 226-223-112 has been discontinued ? Does this mean no parts after the current supply is used. This is a new saw that the chain came off and eat up the sprocket. I might not like it so well if parts are discontinued so quick.
Reply: Chain Sprocket
The part number 226-223-112 has been discontinued by the manufacture. They have however replaced it with part number 125331-7. The new part number will fit on the UC3530A and the UC4030A.