Manuals through 2025 now available!
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LEMON is the spiritual successor to CHARM, I recommend you try it!
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Spark Plug: Specifications
Spark PlugAir Gap, B18C1 Engine
Standard New
0.039 to 0.043 inches
Service Limit
0.50 inches
Air Gap, B18C5 Engine
Standard New
0.051 +/- 0.004 inches
Service Limit
(Not supplied by manufacturer)
Torque
13 ft. lbs.