MerCruiser 305 CID (5.0L) Service Manual page 189

SERVICE MANUAL NUMBER 24
7. Connect crankcase ventilation hose(s).
8. Install distributor. Position rotor and housing to align with marks made during removal,
9. Install other ignition components and reconnect wires.
10. Coat threads of oil pressure sending unit with Quicksilver Perfect Seal and install.
11. Connect any items that were disconnected.
12. Start engine.
13. Adjust ignition timing. Adjust carburetor, if equipped.
14. Check hose connections, gaskets and seals for leaks.
15. Inspect fuel line connections for fuel leaks.
Rocker Arm / Push Rod
Removal
NOTE: When servicing only one cylinder's rocker arms, bring that cylinder's piston up to
TDC before removing rocker arms. When servicing all rocker arms, bring No. 1 piston up
to TDC before removing rocker arms.
1. Remove rocker arm covers.
2. Remove rocker arm assemblies and push rods.
IMPORTANT: Place rocker arm assemblies and push rods in a rack for reassembly
in their original locations.
Cleaning and Inspection
1. Clean parts with solvent and dry with compressed air.
2. Inspect all contact surfaces for wear. Replace all damaged parts.
Installation
IMPORTANT: When installing rocker arms and rocker arm balls, coat bearing sur-
faces of rocker arms and rocker arm balls with engine oil.
1. Install push rods in their original locations. Ensure push rods seat in lifter socket.
2. Install rocker arms, rocker arm balls and rocker arm nuts in their original locations.
3. Adjust valves.
Index
90-861327--1 OCTOBER 1999
then install distributor cap.
5.0l / 305 cid / 5.7l / 350 cid ENGINES
Page 3A-23