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Mercury 20 EFI FourStroke Service Manual

Mercury 20 EFI FourStroke
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7. Carefully pry on both sides of the camshaft gear to remove the gear from the camshaft.
a - Camshaft gear retaining screw (M6 x 20) and washer
b - Camshaft gear pry points
8. Remove the four cylinder head cover screws.
a - Screw (M6 x 30) (4)
b - Cylinder head cover
9. Remove the camshaft key.
10.
Remove the three cylinder head perimeter screws.
11. Remove the six cylinder head retaining screws.
a - Camshaft key
b - Cylinder head retaining screw (M8 x 60) (6)
c - Perimeter screw (M6 x 40) and washer (1)
d - Perimeter screw (M6 x 25) and washer (2)
12. Remove the cylinder head.
64023
a
b
b
a
a a
a
64032
b
64033
a
b
c
d
Cylinder Head
Page 4B-12 © 2018 Mercury Marine 90-8M0125265 eng NOVEMBER 2017

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Mercury 20 EFI FourStroke Specifications

General IconGeneral
BrandMercury
Model20 EFI FourStroke
CategoryEngine
LanguageEnglish

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