Mercury Optimax User Manual

GENERAL INFORMATION
30
Recording Serial Number
It is important to record this number for future reference. The serial
number is located on the outboard as shown.
S ee rrial Numb
MAX
RP M
H
P
L
B
K
W
K
G
XX
XXXXXXXX
XXXX
a
b
c
d
23884
a - Serial number
b - Model designation
c - Year manufactured
d - Certified Europe Insignia
(as applicable)
75/90/115 OptiMax Specifications
Models 75 90 115
Horsepower 75 90 115
Kilowatts 55.2 66.2 84.6
Full Throttle RPM Range 5000‑5750 RPM
Idle Speed in Forward
Gear
625‑675 RPM
Number of Cylinders 3
Piston Displacement 1523.5 cc (92.9 cu. in.)
Cylinder Bore 92.11 mm (3.63 in.)
Piston Stroke 76.2 mm (3.0 in.)
Recommended Spark
Plug
IZFR5J
Spark Plug Gap 0.80 mm (0.030 in.)
Gear ratio 2.33:1 2.07:1
Recommended Gasoline Refer to Fuel & Oil
Recommended Oil Refer to Fuel & Oil
Oil Tank Capacity 4.72 liters (5 qt.)

Mercury Optimax Specifications

General

Brand	Mercury
Model	Optimax
Category	Outboard Motor
Language	English