Key – suits GX200 and GX160 – Advances ignition timing by 10 degrees on a GX200
or by 12 degrees on a GX390
Borderline maximum advance for use in GX200s on Pump Fuel and 160s on with stock flywheels
Remove Flywheel. Looking at flywheel side of the motor, install timing key with the notched part to the left. Install flywheel and rotate as much as possible clockwise. After flywheel in installed, use torch and look into keyslot, making sure flywheel is rotated/installed as shown. Install and tighten flywheel nut.
