Starting issues? Rough running engine? SOLUTION: Check resistance of
spark plug. Replace with new Tempest spark plugs.
Maintenance Guide
Aviation Spark Plug Resistance
g resistan c plu
heck at ec
500 - 3000 Ω = New - Good 500 - 5000 Ω = Used - Good 5000 Ω & Up = No Good - Hard Starting - Misfire - Poor Combustion - Pollution
Free spar k
OHM METER
We are a proud partner with EAA on their legacy fleet of aircraft.
VisitorGuide2013.indd 45
7/15/13 5:02 PM