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Mercury 90 Service Manual

Mercury 90
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5C-40 - MID-SECTION 90-830234R3 DECEMBER 1997
Power Trim Reassembly
IMPORTANT: Lubricate all O-rings with Quicksil-
ver Power Trim Fluid (92-90100A12). If not avail-
able, use automotive (ATF) automatic transmis-
sion fluid.
Shock Rod Reassembly
1. Install lubricated O-rings to end cap.
2. Install rod wiper.
b
c
a
51145
a - Rod Wiper
b - Inner O-ring
c - Outer O-ring
3. Install lubricated O-rings to shock piston.
c
b
a
51199
a - Shock Piston
b - O-ring
c - O-ring
4. Clamp shock rod in soft jawed vise.
5. Position cylinder end cap onto rod as shown.
51146
CAUTION
When installing shock rod piston, spanner
wrench must have 1/4 in. x 5/16 in. (6.4mm x 8mm)
long pegs to avoid damage to shock rod piston.
6. Apply Loctite Grade 271 to threads on shock rod.
7. Install shock rod piston.
8. Tighten shock rod piston securely using spanner
wrench (1/4 in. x 5/16 in. long pegs). If a torquing
type spanner tool is used to tighten shock piston,
then torque to 90 lb. ft. (122 Nâ‹…m).
b
a
51146
a - Shock Rod Piston - Torque to 90 lb. ft. (122 Nâ‹…m)
b - Spanner Wrench

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Mercury 90 Specifications

General IconGeneral
BrandMercury
Model90
CategoryOutboard Motor
LanguageEnglish

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