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Figure 18. Resistor Spark Plug
1. .030 (0.76mm) Gap
2. Electrodes
3. Porcelain
1
2
3
C. Spark Plug
Check spark plug yearly or every 100 operating hours.
1.
Clean area around spark plug.
2.
Remove and inspect spark plug.
3.
Replace spark plug if porcelain is cracked or if elec-
trodes are:
• Pitted
• Burned
• Fouled with deposits
4.
Check electrode gap with wire feeler gauge and set
gap to .030 (0.76mm) if necessary. See Figure 18.
5.
Install spark plug and tighten securely.
NOTE
A resistor spark plug must be used for replacement. Contact
your Authorized Tecumseh Servicing Dealer for Tecumseh
Resistor Spark Plug Part Numbers.
10