Spark Plug Type
Champion RN12Y or Autolite 425
Spark Plug Gap
0.038-0.043 in. (0.97-1.09 mm)
Ignition Timing
30-34° before Top Dead Center
Ignition Point Gap
0.018-0.022 in. (0.46-0.56 mm)
Dwell Angle
36-42°