Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Yamaha›Spark Plug Inspection

Yamaha EF1000iS / EF2800i — Spark Plug Inspection

Maintenance

For the Yamaha EF1000iS / EF2800i, from the Yamaha owner's manual.

Procedure

  1. Remove the spark plug cap and spark plug
  2. Insert the tool and turn counterclockwise to remove the spark plug
  3. Check for discoloration and remove the carbon
  4. Check the spark plug type and gap
  5. Install the spark plug
  6. Install the spark plug cap

Tools required

Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.

Specs & values

  • Standard spark plug: BPR4ES FridayParts $49.00 (NGK)
  • Spark plug gap: 0.7-0.8 mm (0.028-0.031 in)
  • Spark plug torque: 18 Nm (1.8 m·kgf, 13 ft·lbf)

Source: Yamaha owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.

More Yamaha repair guides →