Cylinder Head Assembly; Install Cylinder Head Plate And Rocker Arm Studs; Install Valves; Install Valve Springs And Retainers - Briggs & Stratton 5 HP Troubleshooting & Repair Manual

5 HP Outboard • Troubleshooting & Repair Manual
Section 5 • Assembly

Cylinder Head Assembly

Install Cylinder Head Plate and Rocker Arm Studs

1. Place new cylinder head plate gasket and cylinder head
plate on cylinder head.
NOTE:
The cylinder plate is labeled for correct
installation.
2. Install two rocker arm studs
to 80 in. lbs. (9 Nm).
Figure 95 — Cylinder Head Plate
1

Install Valves

NOTE:
A valve stem seal
on the intake valve.
1. Valve sticking will occur and valve stem seals will be
damaged if the stems and guides are not free of
foreign material and burrs.
2. Lightly coat valve stems with Valve Guide Lubricant
(#93963) and install in valve guides.
3. Oil the inside diameter of the valve stem seal with
engine oil and install on the valve stem.
4. Slide seal down against head plate.
. Torque
(Figure 95) 1
is used
(Figure 96) 2
53
Figure 96 — Valve Stem Seals
2
NOTE
: Be sure Valve Guide Lubricant is not on
valve face, valve seat or exposed end of valve stem.

Install Valve Springs and Retainers

1. Place a shop rag or wood blocks on work surface to
support valves. Place cylinder head on rag or blocks
and install valve spring over valve stem.
2. Place retainer
(Figure 97)
retainer with thumbs to compress spring.
Figure 97 — Valve Spring Retainers
1
on spring. Depress
1
5