Generac — Cylinder Head Removal
Repair & overhaul
From a Generac service manual covering: IM100G, IM80G, NP100G, NP80G. Check it applies to your exact model before use.
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Procedure
- Remove timing belt, then remove OIL PUMP IDLER GEAR.
- Remove the cylinder head. Loosen bolts in 2 or 3 stages in the sequence shown.
- If the cylinder head is difficult to separate, pry with a screwdriver.
- Remove the Camshaft.
- Remove valve component parts.
- Use a suitable puller to remove valve oil seals.
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Generac 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.