Mercury 40 Jet - Recording Serial Number; 40 Jet 4-Stroke Specifications

GENERAL INFORMATION
31
Recording Serial Number
It is important to record this number for future reference. The serial
number is located on the outboard as shown.
XX
OTXXXXXX
XXXX
a
b
c
d
24125
a - Serial number
b - Model designation
c - Year manufactured
d - Certified Europe Insignia
(as applicable)
40 Jet 4‑Stroke Specifications
Models 40 Jet
Horsepower 40
Kilowatts 29.8
Full Throttle RPM Range 5000‑5500 RPM
Number of Cylinders 4
Idle Speed in Forward
Gear
Controlled by ECM
Piston Displacement 995 cc (60.8 cu. in.)
Cylinder Bore 65 mm (2.559 in.)
Stroke 75 mm (2.953 in.)
Valve Clearance (Cold)
Intake Valve 0.15‑0.25 mm (0.006‑0.010 in.)
Exhaust Valve 0.25‑0.35 mm (0.010‑0.014 in.)
Recommended Spark
Plug
Champion RA8HC
Spark Plug Gap 1.0 mm (0.040 in.)
Recommended Gasoline Refer to Fuel & Oil