Facts About Generators
GeneratorsDirectoryCompareRepairEnginesControllersPartsManufacturersGuides
Search models or part #
Home›Repair guides›Yamaha›Muffler screen and spark arrester cleaning

Yamaha EF4500iSE — Muffler screen and spark arrester cleaning

Maintenance

For the Yamaha EF4500iSE, from the Yamaha owner's manual.

Before you start

  • Engine and muffler will be very hot; avoid touching while hot.
  • Use the wire brush lightly to avoid damaging the muffler screen and spark arrester.

Procedure

  1. Remove bolts and pull outward on rear cover areas.
  2. Loosen screw and remove muffler cap, muffler screen and spark arrester.
  3. Remove carbon deposits using a wire brush.
  4. Check muffler screen and spark arrester; replace if damaged.
  5. Install the spark arrester; align projection with hole in muffler pipe.
  6. Install muffler screen and muffler cap.
  7. Install rear cover and tighten bolts.

Tools required

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

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 →