Cleaning and Inspection
General
Clean all parts with parts cleaning solvent and dry
with compressed
air.
All nut and screw threads
coated with Screw Lock or Nut Lock must
be
thor-
oughly cleaned before reassembly. When using a
thread
locking product,
be
sure to prime the
threads with Locquic Primer.
Examine the rubber motor mounts and replace
if
deteriorated or damaged.
Inspect water tube for obstructions or kinks which
may restrict water
flow.
Inspect shift components for wear. Replace
if
deteriorated or damaged.
Clamp Screw
Inspect clamp screw assembly(s). Replace swivel
plate
and retainer if bent or loose.
To
install a new
swivel plate, remove screw and old plate. Apply
Locquic Primer to the threads of the screw and
allow
it
to dry four to five minutes. Then apply
Ultra Lock to threads. Install a new swivel plate
with screw and tighten securely.
Exhaust Housing
Before checking the exhaust housing for distor-
tion, thoroughly clean the top and bottom mating
surfaces and remove
all sealer and corrosion.
Check the exhaust housing for distortion.
Place
the housing
on
a surface plate. Using a dial indi-
cator, check
flatness by measuring the run-out
on
the top edge of housing. The maximum allowable
run-out
is
0.009
in.
(0.228 mm). If you do not have
access to a
dial indicator and surface plate, seek
the services of a machine shop.
DO NOT attempt
to straighten a distorted housing;
replace it.
IMPORTANT: A distorted exhaust housing will
cause the upper driveshaft splines to wear exces-
sively and will damage the crankshaft splines.
1. Exhaust housing
2.
Dial indicator
25/30
MODELS
I ;
MIDSECTION
EXHAUST HOUSING
DRC2351
Powerhead retaining studs, installation heights:
• Starboard Stud - 7/8
in.
(21
mm)
• Port Stud - 1 1/32
in.
(26
mm)
1. Starboard stud
20979
1.
Port stud
20980
I
E
o
U
Qj
)(
~
Qj
~
ii
241 E
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