GASOLINE ENGINE 8.1 S INBOARD MODELS
Page 32 of 58
5. If coupling centerlines are not aligned or if coupling faces are more than .003 in.
(0.07 mm) out of parallel, adjust engine mounts.
a. TO ADJUST ENGINE UP OR DOWN: Loosen locking nut on mounts requiring
adjustment and turn adjusting nuts in desired direction to raise or lower.
IMPORTANT: Both front mounts (or rear mounts) adjusting nuts must be turned
equally to keep engine level from side to side.
70056
d
b
a
c
Typical Mount
a-Locking Nut
b-Adjusting Nut
c-Clamping Bolts And Nuts, With Lock Washers
d-Lag Bolt
NOTE: Some rear mounts have one (1) clamping bolt and nut on each side.
b. TO MOVE ENGINE TO THE LEFT OR RIGHT: Loosen clamping bolts and nuts on
all 4 mount brackets move engine to the left or right as necessary to obtain proper
alignment. A small amount of adjustment can be obtained with slot on front end of
some mounts. Loosen lag bolts (which fasten mounts to engine bed) and move
engine, as required. Retighten lag bolts securely.
IMPORTANT: Large diameter of mount trunnion MUST NOT extend over 1-3/4 in.
(45 mm) from mount brackets on any of the mounts.
6. After engine has been properly aligned, secure engine mounts.
7. Torque clamping bolts and nuts on all 4 mount brackets to 50 lb-ft (68 Nm).
8. Tighten locknut on all four mounts.
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