Westerbeke — Torquing Cylinder Head Bolts
Repair & overhaul
From a Westerbeke operator's manual covering: 16.0 BEDA, 20.0 BED, 25.0 BED, 32.0 BEDA. Check it applies to your exact model before use.
Applies to: Westerbeke 20.0 BED, Westerbeke 25.0 BED
Procedure
- Make sure the engine is cold.
- Loosen one head bolt one-half turn, then tighten to 85 to 90 lb-ft (11.8 to 12.5 kg/m) for BED 20KW and 25KW.
- Tighten the cylinder head bolts according to the sequence shown in the illustration.
- The 32 KW head bolts do NOT require retorquing.
Tools required
- Torque wrench Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- 85 to 90 lb-ft (11.8 to 12.5 kg/m)
Full service-parts list: Westerbeke 20.0 BED →, Westerbeke 25.0 BED →
Source: Westerbeke operator's 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.