Kohler — Cylinder Head Installation
Repair & overhaul
From a Kohler service manual covering: ECV850, ECV860, ECV870, ECV880. Check it applies to your exact model before use.
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Procedure
- Check no nicks or burrs on sealing surfaces.
- Check dowel pins in place; install new head gasket.
- Install cylinder head; start 6 screws.
- Torque screws in 2 stages: first 23.7 N·m (210 in. lb.), final 46.9 N·m (415 in. lb.).
- Repeat for opposite cylinder.
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- First stage: 23.7 N·m (210 in. lb.)
- Final: 46.9 N·m (415 in. lb.)
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.