20/25 Specifications - Mercury 20 Manual

a - Serial number
b - Model year
c - Model designation

20/25 Specifications

Models
Horsepower
Kilowatts
Full Throttle RPM Range
Idle Speed in Forward Gear
Number of Cylinders
Piston Displacement
Cylinder Bore
Piston Stroke
Recommended Spark Plug
Spark Plug Gap
Gear Ratio
Recommended Gasoline
Recommended Oil
Gearcase Lubricant Capacity
Battery Rating
Ampere Hours (Ah)
GENERAL INFORMATION
465 Marine Cranking Amps (MCA) or 350 Cold
Serial Number
a
XXXXXXXX
XXXX
XXXX
MAX
RPM
H K
P W
L K
B G
e
XX
d - Year manufactured
e - Certified Europe Insignia (as applicable)
20
20
14.8
4500‑5500
750 ± 50 RPM
400 cc (24.4 cu. in.)
65 mm (2.56 in.)
60 mm (2.36 in.)
NGK BPZ8H‑N‑10
1.0 mm (0.040 in.)
2.25:1
Refer to Fuel & Oil
Refer to Fuel & Oil
260 ml (8.8 fl. oz.)
Cranking AMPS (CCA)
70‑100
17
b
c
d
ob01356
25
25
18.6
5000‑6000
2