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Superkarts! USA - Rulebook & Updates

X30 Ignition Timing Clarification Print
Written by John Motley - National Tech Director   
Tuesday, 15 October 2019 00:00
In recent weeks, there has been allot of discussion throughout the industry about the ignition timing on the X30 engine. Based on some of the discussions and questions that have come to light, we felt it necessary to clarify and define the long existing rules.
  1. Key thickness is 0.096" Minimum No-Go 
  2. Keyway slot width in the flywheel and the crankshaft is 0.103" No-Go Maximum
  3. Four holes in the stator are 5.6mm No-Go maximum diameter
  4. Four stator holding screws are 0.187" No-Go minimum diameter
  5. Procedure for inspection using the top drawing on the factory fiche on page 7 is as follows:

    Install a dial indicator into the spark plug hole and zero at top dead center. Rotate the engine at least one turn of the indicator before TDC. Rotate the engine until the needle just arrives at TDC. The thin line on the flywheel must strike somewhere within the wider molded center line on the stator, or to the right side of this line.

Last Updated on Tuesday, 15 October 2019 13:21