1. Low oil level—add oil
B. Install the dipstick securely.
Replacing the Spark Plug
Service Interval: Every 100 hours—Replace the spark plug.
WARNING
Replacing the spark plug while the engine is hot
can result in burns.
Wait until the engine is cool to replace the spark
plug.
Use a Toro spark plug or equivalent (Champion® RN9YC or
NGK BPR6ES).
1. Remove the boot
(Figure
1. Spark-plug boot
2. Clean around the base of the spark plug.
3. Remove and discard the old spark plug.
Figure 20
2. Correct oil level
21).
Figure 21
Note: You will need a ratchet wrench extension to
remove the spark plug.
4. Set the gap between the electrodes on a new spark plug
at 0.76 mm (0.030 inch) as shown in
1. 0.76 mm (0.030 inch)
16
Figure
22.
Figure 22