Kohler PRO 6.4 / PRO 9.0 — Replace Spark Plug
Maintenance
For the Kohler PRO 6.4 / PRO 9.0, from the Kohler owner's manual.
Applies to: Kohler PRO 6.4, Kohler PRO 9.0
Before you start
- Disconnect and ground spark plug lead(s) before servicing
Procedure
- Clean out spark plug recess. Remove spark plug (Q) and replace.
- Check gap using wire feeler gauge. Adjust gap to 0.03 in. (0.76 mm).
- Install spark plug (Q) into cylinder head.
- Torque spark plug (Q) to 20 ft. lb. (27 N·m).
Tools required
- Wire feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap: 0.03 in. (0.76 mm)
- Torque: 20 ft. lb. (27 N·m)
Source: Kohler 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.