Briggs & Stratton — Install Cylinder Head

Repair & overhaul

From a Briggs & Stratton service manual — check it applies to your exact model before use.

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Procedure

1. Place cylinder head gasket over alignment dowels; align coolant and oil passages and head bolt holes.
2. Install cylinder head assembly; lubricate threads of cylinder head bolts with engine oil.
3. Torque head bolts in 13.0 Nm (10 ft. lbs.) increments in sequence shown: 9 mm bolts to 35.0 Nm, 8 mm bolts to 34.0 Nm.
4. Lubricate push rods with engine oil and install with recessed end up.
5. Install valve stem caps and rocker arm assembly; torque nuts to 19.0 Nm (170 in. lbs.).
6. Install ignition coil bracket and ignition coils; torque screws to 20.3 Nm (180 in. lbs.).
7. Install intake manifold with new gasket and governor link and spring; torque screws to 7.0 Nm (60 in. lbs.).
8. Insert governor spring in correct hole: Model 430400 top hole, Model 580400 bottom hole; normal position center hole all models.
9. Install exhaust manifold with new gasket; torque screws to 19.0 Nm (170 in. lbs.).
10. Install water pump with new gasket; torque screws and nuts to 19.0 Nm (170 in. lbs.).
11. Install water pump pulley and fan; torque fan screws to 7.0 Nm (60 in. lbs.).
12. Install V-belt and alternator adjusting bolt; torque bolt to 19.0 Nm (170 in. lbs.).

Source: Briggs & Stratton 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.

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