MerCruiser 305 CID (5.0L) Service Manual page 128

MCM MODELS
8. Relieve hoist tension from engine, then slide engine fore or aft as needed to obtain 1/4
in. (6 mm) between flange shoulder and extension shaft housing bearing, as shown.
9. Position engine for correct engine and drive shaft lateral alignment as follows:
a. Measure the length of "a" and "b" to the centers of bolt holes. They MUST BE
Top View Shown
These Dimensions Must Be Equal
b. Recheck Step 8. If Step 8 is not as specified, adjust and recheck Step 9a. Continue
10. After engine has been aligned correctly, fasten front and rear engine mounts to stringers.
Tighten securely.
Typical Mounting Shown
Index
Page 2A-12
a - Flange Shoulder
b - Bearing
c - 1/4 in. (6 mm)
EQUAL. If they are not equal, slide the aft and forward ends of the engine equal
amounts in opposite directions to obtain equal lengths for "a" and "b."
a - Must equal (b)
b - Must equal (a)
this process until both Steps 8 and 9a are as specified.
a - Mounting Bolts
c c
a
b
a
a
SERVICE MANUAL NUMBER 24
b
a
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