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Vertical Shaft Measurement

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Replacing Vertical Shaft Engines and how to measure the crankshaft on vertical shaft small engines

  • Compare overall engine size for possible interference with mounting.
  • Match the starter type and starter grip position "A"
  • Match the Crankshaft's:
          - Diameter "B"
          - Keyway Type "C"
          - Length "D"

(The distance from the mounting face of sump - NOT OIL SEAL - to the end of the crankshaft.)

  • Match the mounting base dimensions and bolt hole spacing
Vertical Shaft Engine Shaft Measurement
Correct way to measure the shaft on a vertical shaft small engine

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