MAINTENANCE - 1B-990-823225--1  1096
Tune-Up Specifications, Does Not Include Gen + Engines (Continued)
Model MIE 5.7L
MIE 5.7L
Competition Ski
MIE 350 Magnum
Tournament Ski
MIE 350 EFI
Magnum
Tournament Ski
Propshaft HP
(KW)
1
250 (186) 250 (186) 265 (198) 265 (198)
Number of
Cylinders
V-8
Displacement 350 CID (5.7L)
Bore/Stroke
In. (mm)
4.00 x 3.48 (101.6 x 88.4)
Compression Ratio 9.1:1 9.3:1
Compression
Pressure
150 PSI (207 kPa)
Idle RPM In 
Neutral 
2
650-700
Maximum RPM
(at W.O.T.)
4200-4600 4400-4800
Oil Pressure
(at 2000 RPM)
30-60 PSI (207-414)
Minimum Oil
Pressure (at Idle)
4 PSI (28 kPa)
Mechanical Fuel
Pump Pressure
3-7 PSI (21-48 kPa)
Electrical System 12 V Negative (–) Ground
Minimum Battery
Requirements
375 cca/450 mca/90 Ah
550 cca/700 mca
120 Ah
Firing Order LH Rotation 1-8-4-3-6-5-7-2     RH Rotation 1-2-7-5-6-3-4-8
Spark Plug Type AC - MR43T/Champion - RV15YC4/NGK - BR6FS
Spark Plug Gap .035 In. (0.9 mm)
Timing 
(at Idle RPM) 
3
8° BTDC
Preliminary Idle
Mixture
1-1/4 Turns
Thermostat 143°F (62°C) 160°F (71°C)
1
 Power Rated in Accordance with NMMA (National Marine Manufacturers’ Association) rating procedures.
2
 Measured using an accurate service tachometer and EFI / MPI engine at operating temperature.
3
 
Timing cannot be properly set using the conventional method on fuel injected engines.
72008
72009
A
LH ROTATION
FRONT
B
RH ROTATION
FRONT
Firing Order
1-8-4-3-6-5-7-2
Firing Order
1-2-7-5-6-3-4-8