Kohler — Check Valve-To-Tappet Clearance
Adjustments · Valves and tappets
From a Kohler service manual covering: MV16, MV18, MV20. Check it applies to your exact model before use.
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Before you start
- Engine must be cold when checking clearance.
Procedure
- Remove air cleaner, valve covers, breather, and spark plugs.
- Rotate flywheel; determine which cylinder is at TDC.
- Measure clearance with flat feeler gauge.
- If too small, remove valves and grind valve stems.
- If too large, replace valves and recheck clearance.
- Reinstall spark plugs, breather, valve covers, and air cleaner.
Tools required
- Flat feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake .003/.006 in. cold
- Exhaust varies by serial number
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.