Kohler KD 441 — Head tightening
Installation · Cylinder head
For the Kohler KD 441, from the Kohler service manual.
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Procedure
- Lubricate the nuts and the washers with engine oil.
- 1st phase: tighten all 4 nuts M9 crossway to 5 Nm.
- 2nd phase: tighten all nuts in the same order to 20 Nm.
- 3rd phase: tighten all nuts in the same order to 30 Nm.
- 4th phase: tighten all nuts in the same order with further rotation of 90°.
- Tighten the 2 side nuts M6 to 10 Nm.
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- M9 nuts: 5 Nm, 20 Nm, 30 Nm + 90°
- M6 side nuts: 10 Nm
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.