DuroMax XP9000IH — Spark Plug Maintenance
Maintenance
For the DuroMax XP9000IH, from the DuroMax owner's manual.
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Procedure
- Pull spark plug cap to remove it.
- Unscrew spark plug using included spark plug wrench.
- Visually inspect; discard and replace if cracked or chipped.
- Measure plug gap with a gauge; gap should be 0.7-0.8 mm (0.028-0.031 in).
- If re-using, wire-brush clean the base and re-gap.
- Install spark plug and replace spark plug cap.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap 0.7-0.8 mm (0.028-0.031 in)
Source: DuroMax 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.