ELECTRICAL - 2C-190-826148R2 MARCH 1997
Specifications
Idle RPM (In Forward Gear)
Full Throttle RPM Range
-- Model 30, 40 Sea Pro, 40 Marathon
-- Model 40
700-800 RPM
4500-5500 RPM
5000-5500 RPM
SPECIFICATIONS
Spark Plug Type (NGK)
Gap
Optional Plug (NGK)**
Gap
Firing Order
BP8H-N-10
0.040 in. (1.0mm)
BPZ8H-N-10*
0.040 in. (1.0mm)
1-2
Models with (S/N-0G589999 & Below) -- Idle
Maximum BTDC @ 2500-5500 RPM
3° BTDC ± 3° (Not Adjustable)
25° BTDC ± 3° (Not Adjustable)
Models with (S/N-0G590000 & Above) -- Idle
Maximum Spark Advance
8° BTDC ± 1°
1 Turn Clockwise After
Contacting Throttle Plate
** Suppressor (Inductor) Spark Plug.
WARNING
Engine could start when turning flywheel to
check timing. Remove all spark plugs from en-
gine to prevent engine from starting.
Special Tools
1. Service Tachometer P/N *91-59339
55002
*May be obtained locally.
2. MercTach Interface Module P/N 91-825824A-2
54315
3. Timing Light P/N *91-99379
*May be obtained locally.
4. Spark Gap Tool P/N 91-63988A1
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