
2C-1
ELECTRICAL AND IGNITION
90-13645--2 1095
Timing/Synchronizing/
Adjusting (3 Cylinder Models)
Specifications
70, 75 and 80 Models
Serial Number and Above
U.S.
B239242
Belgium
9502135
Canada
A730007
Full Throttle RPM Range
4750 - 5250
Idle RPM (in “FORWARD” Gear)
650 - 700
Maximum Timing @ 5000 RPM
(@ Cranking Speed)
26
B.T.D.C.
(28
B.T.D.C.)
Idle Timing
0
- 4
B.T.D.C.
Spark Plug
NGK BUHW-2
Firing Order
1-3-2
70, 75 and 80 Models
Serial Number and Below
U.S.
B239241
Belgium
9502134
Canada
A730006
Full Throttle RPM Range
4750 - 5250
Idle RPM (in “FORWARD” Gear)
650 - 700
Maximum Timing @ 5000 RPM
(@ Cranking Speed)
22
B.T.D.C.
(24
B.T.D.C.)
Idle Timing
0
- 4
B.T.D.C.
Spark Plug
NGK BUHW-2
Firing Order
1-3-2
90 Models
Full Throttle RPM Range
5000 - 5500
Idle RPM (in “FORWARD” Gear)
650 - 700
Maximum Timing @ 5000 RPM
(@ Cranking Speed)
26
B.T.D.C.
(28
B.T.D.C.)
Idle Timing
0
- 4
B.T.D.C.
Spark Plug
NGK BUHW-2
Firing Order
1-3-2
Mariner 75 Marathon/Merc 75XD
Full Throttle RPM Range
4750 - 5250
Idle RPM (in “FORWARD” Gear)
650 - 700
Maximum Timing @ 5000 RPM
(@ Cranking Speed)
16
B.T.D.C.
(18
B.T.D.C.)
Idle Timing
0
- 4
B.T.D.C.
Spark Plug
NGK BUHW-2
Firing Order
1-3-2
Special Tools
Part No.
Description
*91-58222A1
Dial Indicator Gauge Kit
*91-59339
Service Tachometer
*91-99379
Timing Light
91-63998A1
Spark Gap Tool
* May be obtained locally.
Timing Pointer Adjustment
WARNING
Engine could start when turning flywheel to check
timing pointer alignment. Remove spark plugs
from engine to prevent engine from starting.
1. Install Dial Indicator P/N 91-58222A1 into no. 1
(top) cylinder.
2. Turn flywheel clockwise until no. 1 (top) piston is
at top dead center (TDC). Set Dial Indicator to “0”
(zero).
19062
91-58222A1
3. Turn flywheel counterclockwise until Dial Indica-
tor needle reads approximately 0.550 (13.97mm)
BTDC, then turn flywheel clockwise so that
needle reads 0.491 in. (12.47 mm) BTDC exactly.
Содержание 100
Страница 4: ...GENERAL INFORMATION AND SPECIFICATIONS 1 ...
Страница 18: ...IGNITION SYSTEM ELECTRICAL AND IGNITION A 2 ...
Страница 30: ...11669 BATTERY CHARGING SYSTEM AND STARTING SYSTEM ELECTRICAL AND IGNITION B 2 ...
Страница 58: ...22480 TIMING SYNCHRONIZING ADJUSTING ELECTRICAL AND IGNITION C 2 ...
Страница 71: ...WIRING DIAGRAMS ELECTRICAL AND IGNITION D 2 ...
Страница 86: ...FUEL SYSTEM AND CARBURETION A 3 ...
Страница 118: ...OIL INJECTION SYSTEM B 3 ...
Страница 127: ...20032 3 CYLINDER ENGINES POWERHEAD A 4 ...
Страница 168: ...791 H GEAR HOUSING LOWER UNIT A 5 ...
Страница 170: ...5A 1 90 13645 2 1095 LOWER UNIT Notes ...
Страница 205: ...MID SECTION LOWER UNIT B 5 ...
Страница 207: ...5B 1 90 13645 2 495 LOWER UNIT Notes ...
Страница 218: ...SHOCK ABSORBER LOWER UNIT C 5 ...
Страница 223: ...17250 DESIGN I SIDE FILL RESERVOIR POWER TRIM A 6 ...
Страница 233: ...6A 9 POWER TRIM 90 13645 2 495 Commander Side Mount Remote Control Wiring Diagram ...
Страница 268: ...DESIGN II AFT FILL RESERVOIR POWER TRIM B 6 51344 ...
Страница 305: ...SINGLE RAM POWER TRIM C 6 51485 ...
Страница 309: ...6C 3 90 13645 2 495 POWER TRIM Notes ...
Страница 340: ...50099 ENGINE ATTACHMENTS ENGINE INSTALLATION 7 A ...
Страница 369: ...TILLER HANDLE AND CO PILOT OUTBOARD MOTOR INSTALLATION ATTACHMENTS 7 B ...
Страница 371: ...7B 1 90 13645 2 495 OUTBOARD MOTOR INSTALLATION ATTACHMENTS Notes ...