Requirements
Fuel: 2C Regular Gasoline mixed 30:1 - 45:1 (Mineral based at 30-32:1 for breakin, 45~50:1 quality synthetic thereafter)
Tillotson pump carburettor.
Propellor: 18x8 ; 18x10 ; 19x8 ; 20x8
Ignition Battery: 4.8v >= 1200mAh
Replacement Spark Plug: NGK CM6
Plug Gap: 0.018" to 0.020:
Installation Torque: 7 to 8 ft-lbs