page 44
PARTS
Mercury
MERCURY
Pro 2300
PISTONS
Low Dome
vs.
Regular Dome
Mercury's inline
motors can use a
regular or a low
dome piston. If you
want to increase the
reliability of a
cylinder, with only a
slight loss of power,
use a low dome
piston. It is okay to
use a low dome
piston with regular
dome pistons.
Wiseco 3144
INSERT PART NUMBER IN BOX
AT TOP OF PAGE TO OBTAIN PRICING.
INSERT PART NUMBER IN BOX
AT TOP OF PAGE TO OBTAIN PRICING.
Mercosil blocks have the
word MERCOSIL stamped
on the side as shown in the
picture.
This type block is boreable.
Model
Cyl Piston
Bore
PRO
PRO-V
PRO-HP
Wiseco
Size
Size
9.9-15 HP 1984-97
2
STD
2.205
18-4135
3190PS
.020
2.225
18-4137
3190P2
3190P3
3190P4
15 HP 1988-94
2
STD.
2.562
3182PS
B238464-G202749
j
.020
2.582
3182P2
.030
2.592
N/A
15 HP Sea Pro / Marathon
2
.040
2.602
3182P4
1988-94
j
G044365-G202749
15 HP Sea Pro / Marathon
2
STD.
2.562
3183PS
1994-2000
.020
2.582
3183P2
Mercosil Block
k
.030
2.592
N/A
G202750-G437999
.040
2.602
3183P4
20 HP 1972-79
2
STD
2.565
4400P
4400V
4400H
3144PS
.015
2.580
4415P
4415V
4415H
-
.020
2.585
-
-
3144P2
.030
2.595
4430P
4430V
4430H
3144P3
.040
2.605
-
3144P4
20-25 HP 1988-94
2
STD.
2.562
3182PS
D117956-G202749
j
.020
2.582
3182P2
20 HP Jet 1988-94
2
.030
2.592
N/A
G044027-G202749
j
.040
2.602
3182P4
20-25 HP 1994-2000
2
STD.
2.562
3183PS
20 HP Jet 1994-2000
2
.020
2.582
3183P2
G202750-UP
.030
2.592
N/A
Mercosil Block
k
.040
2.602
3183P4
25 HP 1984-86
2
STD
2.835
-
586PS
30 HP 1984-86
.020
2.854
-
586P2
Mariner only
.040
2.874
-
586P4
.060
2.894
-
586P6
Check Bore Size
.080
3.913
-
586P8
30 HP Jet 98-2003
2
STD.
2.992
-
-
3179PS
30-40 HP 94-2004
.020
3.012
-
-
3179P2
.030
3.022
-
-
3179P3
.040
3.032
-
-
3179P4
35 HP 1984-89
2
STD
2.875
9000
9000V
9000H
3109PS
40 HP 1972-83
.015
2.890
9015
9015V
9015H
-
Crossflow
.020
2.895
-
3109P2
.030
2.905
9030
9030V
9030H
3109P3
.040
2.915
-
3109P4
j
Requires Re-sleeving to use Wiseco Piston
k
Mercosil is a boreable material
MERCURY PISTONS
[%INCLUDE 'partsystem-proparts-ob-foot.tmpl'%]