Suzuki 86W41, 990C0-86B40 User Manual
Description: Part Number:
Synchronizer 990C0-86B40/86W41
Contents
Applications: Installation Time:
NOTE: Weight:
Suzuki Marine Boats
Mounts in standard 3 3/8" hole.
1
1 lbs
HRS
Ref. Part Number Description QTY
1. 990C0-86B40/86W41
BC0146
2. Mounting Bracket 1
Synchronizer 1
3. Mounting Hardware 1
.
T
C
M
A
D
,
E
E
L
I
N
L
I
U
V
.
S
S
A
.
SYNC
A
.
7
5
0
0
-
9
0
-
2
5
A
STB
D
SLOW
C
N
U
PORT
OW
SL
.
P
R
O
C
A
I
R
A
F
1
1
3
Tools
Required
Important
NOTE
IS0207B ECR5609 8/2005
2
Ref.
Tools Description
1. 3/8" Nut Driver
2. Suzuki Terminal Kit 09900-28701
Please read this manual and follow its instructions
carefully. To emphasize special information, the
symbol and the words WARNING, CAUTION
and NOTE have special meanings. Pay special
attention to the messages highlighted by these signal words:
NOTE: Indicates special information to make
maintenance easier or instructions clear.
If so equipped
YELL
RED
OW
YELL
BLACK
GRAY
Indicates potential hazard that could
result in death or injury.
Indicates potential hazard that could
result in vehicle damage.
OW/
Disconnect battery during installation.
Tighten nuts on backclamp only slightly more than you can tighten with your fingers.
Six inch-pounds of torque is sufficient. Over tightening may result in damage to the
instrument and may void your warranty.
Gasket cement or other adhesive is not required to secure tubing to fittings.
Description
Installation
The dual engine synchronizer is designed to indicate
engine synchronization extremely accurately
speeds of the two engines are compared to each
other. Engine synchronization may be difficult at idle
speeds. For proper operation, both engines must be
of the same type, have the same number of cylinders,
and have similar ignitions. Malfunctioning ignition
systems or high speed "point bounce" will result in
inability to sync properly.
when the
1. Location: The synchronizer should be located at
least 18" from a magnetic compass. Some
interference (erratic operation)
synchronizer during radio transmissions. This will
neither damage nor degrade it's performance.
2.
Be certain to use stranded, insulated wire not
lighter than 18AWG that is approved for marine use. It
is recommended that insulated wire terminals,
preferably ring type, be used on all connections to the
gauge, except the light which requires a 1/4" female
blade terminal.
may be noticed on the
3. Cut a 3-3/8" dia hole in the dash and mount the
gauge with backclamp supplied.
4. Using a small screwdriver, SLIGHTLY depress
and turn the selector switch on the back of the
synchronizer to the correct position to match the
engine application. (See label on the side of the
synchronizer.) Depressing the switch too hard may
cause damage to gauge! Be sure the selector switch
has locked into the detent at the correct position by
slightly rotating the switch
screwdriver.
back and forth with the
5. If this gauge kit has been supplied with a three
prong connector, slide the connector over the three
instrument studs. Be sure the gray, yellow, and black
bullets are connected to the gray, yellow, and black
wires of the main engine harness.
the yellow wire of the main engine harness.
8. Connect yellow/ red extension lead st ud
connector to the PORT signal (SIG)
the synchronizer.
9.
Connect the black extension lead stud
connector to the negative (-) post of the synchronizer
and plug the bullet end into the
engine harness.
post terminal of
black wire of the main
10. Connect the GREEN/ORANGE extension
lead to the blade terminal adjacent to the twist-out
light assembly to the positive “+” side of the
instrument lighting circuit and the bullet end to the
boat lighting circuit. No separate ground is required
for the lighting. Reconnect the battery.
11.
at the factory, and should never need adjustment.
However, If
the Calibration section at the end of this manual.
12.
socket assembly one-eighth turn counterclockwise
until it pops out. Bulb pulls straight out of socket
assembly. It is a GE No.194 instrument lamp.
Calibration: This gauge has been calibrated
you are experiencing problems refer to
NOTE: To change the light bulb, twist tan
Mounting Hardware Kit
A
B
C
x 6
x
x 2
6
6.
Connect the gray extension lead stud connector
to the positive (+) post of the synchronizer and plug the
bullet end into the gray wire of the main engine
harness.
7. Connect the yellow extension lead stud
connector to the STARBOARD signal (SIG) post
terminal of the synchronizer and plug the bullet into
C
A
A
B
A
B
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