Ignition (Key) Switch Test; Ignition Components Removal And Installation; Flywheel; Removal - Mercury 45 Jet 50-55 Service Manual

Ignition (Key) Switch Test

1. Disconnect remote control wiring harness and instru-
ment panel connector.
NOTE: Wiring diagram for control boxes is located in SEC-
TION 2D.
2. Set ohmmeter on R x 1 scale for the following tests:
COMMANDER 2000 KEY SWITCH
COMMANDER KEY SWITCH
A
(BLK/YEL)
M
(RED) B
CONTINUITY SHOULD BE INDICATED
AT THE FOLLOWING POINTS:
KEY
POSITION
BLK BLK/YEL
OFF
RUN
START
CHOKE*
*Key switch must be positioned to "RUN" or "START" and key pushed
in to actuate choke, for this continuity test.
BLK BLACK
PUR PURPLE
RED RED
YEL YELLOW
3. If meter readings are other than specified in the pre-
ceding test, verify that switch and not wiring is faulty.
If wiring checks OK, replace switch.
90-817643R1 DECEMBER 1996
23894
(PUR)
(BLK)
M
(YEL/RED)
S
C
(YEL/BLK)
RED YEL/RED PUR
YEL/BLK
Ignition Components
Removal and Installation

Flywheel

REMOVAL

1. Remove flywheel cover from engine.
WARNING
!
Engine could possibly start when turning flywheel
during removal and installation; therefore, disconnect
(and isolate) spark plug leads from spark plugs to pre-
vent engine from starting.
2. Disconnect spark plug leads from spark plugs.
3. While holding flywheel with Flywheel Holder (a)
(91-52344), remove flywheel nut and washer.
4. Install Crankshaft Protector Cap (91-24161) on the
end of crankshaft, then install Flywheel Puller (a)
(91-73687A1) into flywheel (b).
5. Remove flywheel.
NOTE: Neither heat or hammer should be used on flywheel
to aid in removal as damage to flywheel or electrical com-
ponents under flywheel may result.
a
a
51123
b
51124
ELECTRICAL and IGNITION - 2A-7