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Perkins — Cylinder head

A Perkins service procedure — check it applies to your exact model before use.

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Procedure

  1. Inlet.. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 46° (88° included angle) or 31° (118° included angle)
  2. Exhaust ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... 46° (88° included angle) or 31° (118° included angle)
  3. Inlet.. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ..13,00/13,027 mm (0.5118/0.5128 in)
  4. Exhaust ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ..14,00/14,027 mm (0.5512/0.5522 in)

Source: manual:1000 New Serie Workshop Manual .pdf. Figures and steps are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.