Kohler TH16 / TH18 — Set Valve Clearance
Adjustments · Valve train
For the Kohler TH16 / TH18, from the Kohler service manual.
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Procedure
- Turn flywheel clockwise to TDC on the #1 side.
- Loosen locking nut and screw and insert feeler gauge blade.
- Adjust screw until clearance correct, then tighten locking nut.
- Turn flywheel clockwise 270 degrees until #2 cylinder is at TDC.
- Repeat clearance check and adjustment on #2 side.
Tools required
- Feeler gauge Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Intake: 0.013/0.064 mm (0.0005/0.0025 in.)
- Exhaust: 0.076/0.127 mm (0.0030/0.0050 in.)
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.