|Hardened aluminum piston stop for the E25-9 timing indicator.|
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov.
Nice simple tool to find the real TDC. Found my TDC timing mark was 3 degrees off (can use smart phone fastened to prop with angle app)
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This piston stop is the same thread, 18MM, as a Champion or Tempest plug that goes in the cylinder. We have added the E-25 user manual to the "Documents" tab of the web page should you need to reference it.
Per the manufacturer: Yes the piston stop can be used for all engines with 18mm spark plug hole. Yes it will allow you to find TDC accurately.