Power Solutions International — Replace spark plugs
Maintenance · Ignition
From a Power Solutions International operator's manual — check it applies to your exact model before use.
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Before you start
- Do not attempt to adjust gap; could damage tips.
Procedure
- Remove the spark plugs.
- Inspect porcelain color and deposits.
- Install new PSI spark plugs; torque to 22 lb-ft.
- Do not adjust spark plug gap.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Torque 22 lb-ft
- Iridium-tipped, gap set by manufacturer
Source: Power Solutions International operator'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.