Hercules — To Remove the Cylinder Head
Repair & overhaul
From a Hercules owner's manual — check it applies to your exact model before use.
Before you start
- Do not pry on the contact surfaces.
Procedure
- Drain the radiator and remove the water thermostat housing and hoses; disconnect the water temperature gauge thermocouple.
- Disconnect the exhaust pipe from the manifold.
- Remove the manifold and carburetor from the cylinder head.
- Remove the spark plug cables and spark plugs.
- Remove the cylinder head cover, rocker arm assemblies and push rods.
- Remove the cylinder head screws and nuts and lift the cylinder head from the engine.
Tools required
- Soft hammer Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Hercules owner'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.