Yamaha — Spark Plug Inspection
Maintenance
From a Yamaha owner's manual covering: EF1600, EF2600, YG2600. Check it applies to your exact model before use.
Procedure
- Remove and inspect the spark plug.
- Check for discoloration and remove the carbon.
- Check the spark plug type and gap.
- Install the spark plug.
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: 20 N·m (2 kgf·m, 14 lbf·ft)
- Standard electrode color: Tan Color
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.