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Home›Repair guides›Yamaha›Spark plug inspection

Yamaha EF1000iS / EF2000iS — Spark plug inspection

Maintenance

For the Yamaha EF1000iS / EF2000iS, from the Yamaha owner's manual.

Procedure

  1. Remove the screws and then remove the cover
  2. Remove the spark plug cap and cap, and insert the tool through the hole from the outside of the cover
  3. Insert the handlebar into the tool and turn it counterclockwise to remove the spark plug
  4. Check for discoloration and remove the carbon
  5. Check the spark plug type and gap
  6. Install the spark plug
  7. Install the spark plug cap and cap
  8. Install the cover and tighten the screws

Tools required

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

Specs & values

  • Standard spark plug: BPR6HS Amazon eBay $10.00 (NGK)
  • Spark plug gap: 0.6-0.7 mm (0.024-0.028 in)
  • Spark plug torque: 20 Nm (2.0 m.kgf, 14 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.

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