Sierra Marine Parts Catalog: Mercury Mariner
ALL PISTONS
ARE SUPPLIED COMPLETE WITH PISTON RINGS, WRIST PIN AND CIRCLIPS.
Mariner (Japanese Models)
Sierra Piston Kit Contents (See Application Charts for Specific Applications)
Model / HP
Cyl.
Bore size
Piston
OEM Part #
Piston Ring
OEM Part #
9.9 / 15
2
std
761-7982M, 761-7982T
39-15320M
48
2
std
761-8484M
--
--
MARINER PISTON AND RINGS APPLICATION -- JAPANESE MODELS
Ser #
Standard
.25mm
.50mm
Standard
.25mm
.50mm
Qty.
Model
Code
Ser #
Piston
Piston
Piston
Rings
Rings
Rings
Req'd
9.9
682
ALL
--
--
--
--
2
15C
684
ALL
--
--
--
--
2
30A
689
ALL
--
--
--
--
--
2
Mercury / Mariner
Sierra Piston Kit Contents (See Application Charts for Specific Applications)
Model / HP
Cyl.
Bore size
Piston
OEM Part #
Piston Ring
OEM Part #
Circlips
OEM Part #
2 Ring Pistons - High Dome
2-6
2.875 / Std.
--
774-9137A12
39-817096A6
40-52035
35-140
35-140
2-6
2.890 / .015
774-9137A13
39-817096A16
40-52035
35-140
2-6
2.905 / .030
774-9137A14
39-817096A26
40-52035
2 Ring Pistons - Low Dome
35-140
2-6
2.875 / Std.
--
774-9137A9
39-817096A6
40-52035
2-6
2.890 / .015
774-9137A10
39-817096A16
40-52035
35-140
35-140
2-6
2.905 / .030
774-9137A11
39-817096A26
40-52035
3 Ring Pistons - High Dome
35-140
2-6
2.875 / Std.
➀--
776-8896A3
39-78816A12
40-52035
35-140
2-6
2.890 / .015
776-8897A2
39-78811A12
40-52035
2-6
2.905 / .030
776-8898A2
39-88392A12
40-52035
35-140
Model / HP
Cyl.
Bore size
Piston
OEM Part #
Piston Ring
OEM Part #
Circlips
OEM Part #
3 Ring Pistons - Low Dome
35-140
2-6
2.875 / Std.
--
776-8600A9
39-78816A12
40-52035
35-140
2-6
2.890 / .015
776-9095A1
39-78811A12
40-52035
35-140
2-6
2.905 / .030
--
776-9096A1
39-88392A12
40-52035
2 Ring Pistons - Crossflow
40-50
4
2.565 / Std.
780-9229A7
39-18653A12
40-52035
40-50
4
2.580 / .015
780-9229A10
39-18653A1
40-52035
40-50
4
2.595 / .030
780-9229A11
39-18653A2
40-52035
50-60
3
2.875 / Std.
--
783-9613A1
39-19721A6
40-52035
50-60
3
2.890 / .015
783-9613A2
--
39-19721A1
40-52035
50-60
3
2.905 / .030
783-9613A3
--
39-19721A2
40-52035
70-115
3-4
3.375 / Std.
777-815965T4
39-96170A12
40-52035
70-115
3-4
3.390 / .015
777-815965A5
--
39-96170A3
40-52035
70-115
3-4
3.405 / .030
777-815965A6
--
39-96170A4
40-52035
75-125
3-4
3.375 / Std.
2704-826191T4
39-822321A12
40-52035
75-125
3-4
3.390 / .015
2704-821896A3
--
39-822321A1
40-52035
75-125
3-4
3.405 / .030
2704-821896A4
--
39-822321A2
40-52035
3 RING INLINE PISTON AND RINGS APPLICATION - REFERENCE ONLY ➂
Beginning
Ending
Std. Cyl.
Std.
.015 O.S.
.030 O.S.
Std.
.015 O.S.
.030 O.S.
H.P.
Cyl.
Serial No.
Serial No.
Dia. (Bore)
Piston
Piston
Piston
Rings
Rings
Rings
3.5
1
6202173
& Up
2
--
--
--
--
--
3.6
1
5404657
& Up
2
--
--
--
--
--
3.9
1
1655013
2498135
2
--
--
--
--
--
4 (1CYL)
1
2498136
A809600
2
--
--
--
--
--
4.5
1
4107220
& Up
2
--
--
--
--
--
7.5
2
2529895
& Up
2
--
--
--
--
--
9.8
2
1470349
& Up
2
--
--
--
--
--
20
2
1922910
5942040
2.562
--
--
--
--
--
25
2
1467499
149931
2.562
--
--
--
--
--
30 Jet (40 Hp)
4
0C159200
& Up
2.562
APPLICATION CONTINUED ON NEXT PAGE
➀ 3 ring high dome NLA, 2 ring piston are now substituted ➁ 3 ring low dome NLA, 2 ring piston are now substituted
347
➂ Chart is for referencing only, pistons received will be 2 ring version