| OMC PISTONS 5 HP - 48 HP |
| *All pistons are sold with wrist pins,
rings, and clips (unless noted). **All piston kits include one piston
only. |
Wiseco pistons are a
forged piston. |
| A PRO PISTON is made of the highest
quality alloys. Pro Pistons are made from high silicon aluminum alloy and meets or exceeds
oem specifications. The Pro pistons are our most economical piston
line. |
| The Pro-V PISTON is made of the same
alloys as the pro piston adding a grey moly coating. Moly reduces friction during the
critical break-in period and helps dissipate heat as well. |
| Model |
Cyl |
Piston Size |
Bore Size |
Wiseco (Photo) |
Pro-V Cast (Photo) |
Pro Parts (Photo) |
Click On Button to view part, price or order |
| 5 / 6 / 8 HP 1986-95 |
2 |
STD |
2.188 |
- |
- |
18-4069 (Pro) |
|
| .030 |
2.218 |
- |
- |
18-4070 (Pro) |
|
| 9.9-15 1993-UP |
2 |
STD |
2.375 |
3181PS (Wiseco) |
|
|
|
| 010 |
2.385 |
3181P1 (Wiseco) |
|
|
|
| 020 |
2.395 |
3181P2 (Wiseco) |
|
|
|
| 030 |
2.405 |
3181P3 (Wiseco) |
|
|
|
| 040 |
2.415 |
3181P4 (Wiseco) |
|
|
|
| 9.9-15 1974-80 9.9-15
1981-93 *Must use wrist pin bearing WP14, 81-93 use WP36 |
2 |
STD |
2.188 |
3136PS (Wiseco) |
- |
- |
|
| - |
- |
5400 (Pro) |
|
| 010 |
2.198 |
3136P1 (Wiseco) |
- |
- |
|
| 020 |
2.208 |
3136P2 (Wiseco) |
- |
- |
|
| - |
- |
5420 (Pro) |
|
| 030 |
2.218 |
3136P3 (Wiseco) |
- |
- |
|
| - |
- |
5430 (Pro) |
|
| 040 |
2.228 |
3136P4 (Wiseco) |
- |
- |
|
| 18JET 1995-99, 20HP 1981-83,
20HP 1986-95, 20HP 1997, |
2 |
STD |
3.000 |
3127PS (Wiseco) |
- |
- |
|
| - |
- |
5500 (Pro) |
|
| 020 |
3.020 |
3127P2 (Wiseco) |
- |
- |
|
| - |
- |
5520 (Pro) |
|
| 030 |
3.030 |
3127P3 (Wiseco) |
- |
- |
|
| - |
- |
5530 (Pro) |
|
| 040 |
3.040 |
3127P4 (Wiseco) |
- |
- |
|
| 25HP 1977-80 |
2 |
STD |
3.000 |
3128PS (Wiseco) |
- |
- |
|
| 020 |
3.020 |
3128P2 (Wiseco) |
- |
- |
|
| 030 |
3.030 |
3128P3 (Wiseco) |
- |
- |
|
| 040 |
3.040 |
3128P4 (Wiseco) |
- |
- |
|
| 25HP 1981-99,
28HP 86-89, |
2 |
STD |
3.000 |
3127PS (Wiseco) |
- |
- |
|
| - |
- |
5500 (Pro) |
|
| 020 |
3.020 |
3127P2 (Wiseco) |
- |
- |
|
| - |
- |
5520 (Pro) |
|
| 030 |
3.030 |
3127P3 (Wiseco) |
- |
- |
|
| - |
- |
5530 (Pro) |
|
| 040 |
3.040 |
3127P4 (Wiseco) |
- |
- |
|
| 28Jet 1995-99 25-35HP
1996- UP |
2 |
STD |
3.187 |
3111PS (Wiseco) |
- |
- |
|
| - |
1100V (Pro-V) |
- |
|
| - |
- |
1100 (Pro) |
|
| 020 |
3.207 |
3111P2 (Wiseco) |
- |
- |
|
| - |
1120V (Pro-V) |
- |
|
| - |
- |
1120 (Pro) |
|
| 030 |
3.217 |
3111P3 (Wiseco) |
- |
- |
|
| - |
1130V (Pro-V) |
- |
|
| - |
- |
1130 (Pro) |
|
| 040 |
3.227 |
3111P4 (Wiseco) |
- |
- |
|
| 30HP 1984-99, Cross
Flow
1981-84, 3/4 Wrist Pin |
2 |
STD |
3.000 |
3127PS (Wiseco) |
- |
- |
|
| - |
- |
5500 (Pro) |
|
| 020 |
3.020 |
3127P2 (Wiseco) |
- |
- |
|
| - |
- |
5520 (Pro) |
|
| 030 |
3.030 |
3127P3 (Wiseco) |
- |
- |
|
| - |
- |
5530 (Pro) |
|
| 040 |
3.040 |
3127P4 (Wiseco) |
- |
- |
|
| 35HP 1976-80, use 5/8 Wrist
Pin #2797 |
2 |
STD |
3.000 |
3128PS (Wiseco) |
- |
- |
|
| 020 |
3.020 |
3128P2 (Wiseco) |
- |
- |
|
| 030 |
3.030 |
3128P3 (Wiseco) |
|
- |
|
| 040 |
3.040 |
3128P4 (Wiseco) |
- |
- |
|
| 35HP 86-87, 35Jet
90-98,
40HP 84-98,
45com 85-91,
48HP 87-96, |
2 |
STD |
3.187 |
3111PS (Wiseco) |
- |
- |
|
| - |
1100V (Pro-V) |
- |
|
| - |
- |
1100 (Pro) |
|
| 020 |
3.207 |
3111P2 (Wiseco) |
- |
- |
|
| - |
1120V (Pro-V) |
- |
|
| - |
- |
1120 (Pro) |
|
| 030 |
3.217 |
3111P3 (Wiseco) |
- |
- |
|
| - |
1130V (Pro-V) |
- |
|
| - |
- |
1130 (Pro) |
|
| 040 |
3.227 |
3111P4 (Wiseco) |
- |
- |
|