Drive Shaft Repair (Mcm Sterndrive Models); Removal - Mercury MerCruiser MCM 454 Mag MPI Service Manual

SERVICE MANUAL NUMBER 23

Drive Shaft Repair (MCM Sterndrive Models)

Removal

IMPORTANT: It is not necessary to remove the engine to service the drive shaft.
1. Remove top and bottom drive shaft shields around transom end and engine end of drive
2. Suitably mark drive shaft U-joint yokes/flange connections (engine output and drive unit
Index
90-861326--1 MARCH 1999
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shaft.
e
d
Top Shield and Bottom Shield at Transom End (Engine End Similar)
a - Top Shield
b - Bottom Shield
c - Bolt 3/3-16 x 7/8 In. (22.2 mm); 4 Used
d - Nut 3/8 16: 4 Used
e - Screws (3 Used Hidden In This View)
input) to assist in exact same positioning during assembly at engine and transom end.
Engine End Shown (Transom End Similar)
a - Suitable Mark On Flange and Drive Shaft Connection
b - Extension Drive Shaft U-Joint Yoke
c - Flange
a
c
b
c
a
b
DRIVE SHAFT / PROPELLER SHAFT MODELS
70245
70237
Page 8F-5