Kohler — Clean Cylinder Head And Combustion Chamber
Maintenance
From a Kohler service manual covering: K141, K161, K181, K241, K301, K321, K341, K91. Check it applies to your exact model before use.
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Procedure
- Remove cylinder head baffle and cylinder head.
- Clean away combustion deposits using wooden or plastic scraper.
- Be careful not to nick or scratch aluminum gasket seating area.
- Reinstall cylinder head using a new gasket.
- Torque cylinder head fasteners in sequence to specifications.
- Run engine 15 minutes, stop, and allow to cool.
- Retorque head bolts to specified torque value.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 500 hours; 250 hours with leaded gasoline
Source: Kohler service 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.