EasyManuals Logo

Mercury 20 EFI FourStroke Service Manual

Mercury 20 EFI FourStroke
406 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #163 background imageLoading...
Page #163 background image
9. Remove the main bearings from the cylinder block and crankcase cover.
64149
Piston Disassembly
IMPORTANT: Disassemble each piston separately to ensure the components will not be intermixed. After disassembly, place
the components into a container that identifies the cylinder location.
1.
Remove the piston pin clips, and piston pin. Separate the connecting rod from the piston.
2. Use a piston ring expander to remove the top ring and the second ring.
3. Use a piston ring expander to remove the oil ring top scraper, bottom scraper, and the oil control ring.
a - Oil rings
b - Second ring
c - Top ring
d - Piston pin
e - Piston pin clip (2)
Piston Ring Expander 91‑ 24697
Powerhead Cleaning, Inspection, and Repair
Flywheel
Inspect the flywheel keyway and teeth. Replace if damaged or worn.
3116
a
c
b
e
d
64150
Cylinder Block/Crankcase
Page 4A-16 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017

Table of Contents

Other manuals for Mercury 20 EFI FourStroke

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Mercury 20 EFI FourStroke and is the answer not in the manual?

Mercury 20 EFI FourStroke Specifications

General IconGeneral
BrandMercury
Model20 EFI FourStroke
CategoryEngine
LanguageEnglish

Related product manuals