Install Cylinder Head; Install Valve Spring Seats And Valves; Install Valve Springs; Install Cylinder Head Gasket - Briggs & Stratton MS-1055 Repair Manual

2. Install valve spring seats, Fig. 30.
NOTE: Lightly coat valve stems with Valve Guide
Lubricant #93963 before installing valves.
3. Install valves.
4. Install valve springs with valve spring compressor,
Tool #19417, Fig. 31.
NOTE: After installing valve spring retainer locks,
tap valve spring retainer lightly with a soft
hammer to ensure locks are seated.

INSTALL CYLINDER HEAD

1. Place cylinder head gasket over alignment dowels
on cylinder block, Fig. 32.
NOTE: Make sure coolant, oil passages and head
bolt holes are aligned.
2. Install cylinder head assembly, Fig. 33. Lubricate
threads of cylinder head bolts with engine oil.
Torque head bolts in 14.0 Nm (10 ft. lbs.) incre-
ments in sequence shown.
NOTE: Current style head bolts are 9 mm
diameter. Early style head bolts are 8 mm
diameter.
a. Torque 9 mm head bolts to 43.0 Nm (32 ft. lbs.).
b. Torque 8 mm head bolts to 34.0 Nm (25 ft. lbs.).
NOTE: Engine Models 58A447 588447 have 10
mm diameter head bolts. Torque head
bolts to 68 Nm (60 ft. lbs.).
2
VALVE
SPRING
SEATS
Fig. 30 – Install Valve Spring Seats And Valves
14
Fig. 33 – Install Cylinder Head Assembly
CYLINDER HEAD AND VALVES
Fig. 31 – Install Valve Springs
ALIGNMENT
DOWEL
LOCATIONS
Fig. 32 – Install Cylinder Head Gasket
12
8
4
2
6
10
1
5
9
13
11
7
3
11