Generac 004582 / 12 DTA — Replacing Spark Plug
Maintenance
For the Generac 004582 / 12 DTA, from the Generac owner's manual.
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Procedure
- Stop engine and pull spark plug wire off.
- Clean area around spark plug and remove.
- Set gap to 0.76 mm (0.030 in.); install plug.
Tools required
- spark plug wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Champion RC14YC Amazon eBay $10.00 NAPA $4.94 or equivalent
- Gap 0.76 mm (0.030 in.)
Source: Generac 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.