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Yamaha EF1000iS / EF2400iSHC — Engine oil replacement

Maintenance

For the Yamaha EF1000iS / EF2400iSHC, from the Yamaha owner's manual.

Before you start

  • Avoid draining engine oil immediately after stopping the engine; oil is hot

Procedure

  1. Place generator on level surface, warm up engine, then stop
  2. Remove rubber cap on bottom
  3. Place oil pan under engine, remove oil drain bolt and gasket
  4. Open oil filler cover and remove oil filler cap to drain oil completely
  5. Check drain bolt, gasket, oil filler cap and O-ring; replace if damaged
  6. Install oil drain bolt
  7. Install rubber cap on bottom
  8. Add engine oil to upper level
  9. Install oil filler cap
  10. Close oil filler cover

Specs & values

  • Oil drain bolt torque: 17 Nm (1.7 m·kgf, 12 ft·lbf)
  • Engine oil quantity: 0.6 L

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.

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