| Troubleshooting | Sealers, Tools & Hardware | |
| 75HP-90HP Piston | ||||||
| Pistons | Rings | Gaskets&Seals | Carb Kits | Bearings | ||
| Cooling System | Electrical System | Lower Gear Case | ||||
****** ******TOP GUIDED OR NOT TOP GUIDED?****** |
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It's easy to tell by looking at the forging number on the rod. Then check the chart below. |
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| MODEL | TOP GUIDED | BOTTOM GUIDED |
| 3 & 4 Cyl | 646-81884 | 638-85321 |
| V-6 | 644-818141 | 636-8118 |
| PISTONS BY HORSEPOWER |
Attention: Piston pages can take up to two minutes to load @28.8 |
AVOID DAMAGING YOUR FLYWHEEL AND CRANKSHAFT |
FLYWHEEL PULLER |
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| Mercury Pistons 75HP-90HP | |||||||
| Wiseco forged pistons are superior in strength due to the inherent nature of both the aluminum alloy and the forging extrusion manufacturing process. | |||||||
| The Pro Parts piston is a cast piston, cast from high silicone aluminum according to original equipment specifications. Most mechanics use a cast piston when available. | |||||||
| The Pro-V piston is a cast piston, cast from high silicone aluminum according to original equipment specifications. Most mechanics use a cast piston when available. | |||||||
| The Pro- HP has high quality moly coating on the skirt and comes with a ceramic coated dome. Available wherever PRO - V cast pistons are applicable by special order. Call 941-351-4975 for details. | |||||||
*All pistons are sold with wrist pins, rings, and clips (unless noted). **All pistons & kits include one piston only. |
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| Model | Cyl | Piston Size | Bore Size | Wiseco | Pro Parts | Pro -V | Click to View Price, Image or:
|
| 60 HP
1984-90 65HP 1973-76 70HP 1977-83 75HP 1984- 1986 Crossflow
|
3 3 3 4
|
STD | 2.875 | 3109PS (Wiseco) | - | - | |
| - | 9000 (Pro) | - | |||||
| - | - | 9000V (Pro - V) | |||||
| .015 | 2.890 | - | 9015 (Pro) | - | |||
| - | - | 9015V (Pro - V) | |||||
| .020 | 2.895 | 3109P2 (Wiseco) | - | - | |||
| .030 | 2.905 | 3109P3 (Wiseco) | - | - | |||
| 9030 (Pro) | - | ||||||
| 9030V (Pro - V) | |||||||
| .040 | 2.915 | 3109P4 (Wiseco) | - | - | |||
| 75HP 90-91 Loop Charge | 3 | STD | 3.375 | 3120PS (Wiseco) | - | - | |
| - | 2611 (Pro) | - | |||||
| - | - | 2611V (Pro - V) | |||||
| .010 | 3.385 | 3120P1 (Wiseco) | - | - | |||
| .015 | 3.390 | - | 2613 (Pro) | - | |||
| - | - | 2613V (Pro - V) | |||||
| .020 | 3.395 | 3120P2 (Wiseco) | - | - | |||
| .030 | 3.405 | 3120P3 (Wiseco) | - | - | |||
| - | 2615 (Pro) | - | |||||
| - | - | 2615V (Pro - V) | |||||
| .040 | 3.415 | 3120P4 (Wiseco) | - | - | |||
| 75HP 92-93 Top Guided Rod, Loop Charge | 3 | STD | 3.375 | 3142PS (Wiseco) | - | - | |
| - | 4200 (Pro) | - | |||||
| - | - | 4200V (Pro - V) | |||||
| .010 | 3.385 | 3142P1 (Wiseco) | - | - | |||
| .015 | 3.390 | - | 4215 (Pro) | - | |||
| - | 4215V (Pro - V) | ||||||
| .020 | 3.395 | 3142P2 (Wiseco) | - | - | |||
| .030 | 3.405 | 3142P3 (Wiseco) | - | - | |||
| - | 4230 (Pro) | - | |||||
| - | - | 4230V (Pro - V) | |||||
| 75HP 1994-2000 Loop Charge | 3 | STD | 3.500 | 3162PS (Wiseco) | - | - | |
| - | 6200 (Pro) | - | |||||
| - | - | 6200V (Pro - V) | |||||
| .015 | 3.515 | - | 6215 (Pro) | - | |||
| - | - | 6215V (Pro - V) | |||||
| .020 | 3.520 | 3162P2 (Wiseco) | - | - | |||
| .030 | 3.530 | 3162P3 (Wiseco) | - | - | |||
| - | 6230 (Pro) | - | |||||
| - | - | 6230V (Pro - V) | |||||
| .044 | 3.544 | 3162P4 (Wiseco) | - | - | |||
| 80HP
1978-83 crossflow
|
4
|
STD | 2.875 | 3109PS (Wiseco) | - | - | |
| - | 9000 (Pro) | - | |||||
| - | - | 9000V (Pro - V) | |||||
| .015 | 2.890 | - | 9015 (Pro) | - | |||
| - | - | 9015V (Pro - V) | |||||
| .020 | 2.895 | 3109P2 (Wiseco) | - | - | |||
| .030 | 2.905 | 3109P3 (Wiseco) | - | - | |||
| 9030 (Pro) | - | ||||||
| 9030V (Pro - V) | |||||||
| .040 | 2.915 | 3109P4 (Wiseco) | - | - | |||
| 80HP
1987-89 90HP 87-91 loop charge loop charge bottom guided Conn Rod |
3
3
|
STD | 3.375 | 3120PS (Wiseco) | - | - | |
| - | 2611 (Pro) | - | |||||
| - | - | 2611V (Pro - V) | |||||
| .010 | 3.385 | 3120P1 (Wiseco) | - | - | |||
| .015 | 3.390 | - | 2613 (Pro) | - | |||
| - | - | 2613V (Pro - V) | |||||
| .020 | 3.395 | 3120P2 (Wiseco) | - | - | |||
| .030 | 3.405 | 3120P3 (Wiseco) | - | - | |||
| - | 2615 (Pro) | - | |||||
| - | - | 2615V (Pro - V) | |||||
| .040 | 3.415 | 3120P4 (Wiseco) | - | - | |||
| 85HP
1973-77 90HP 1978-87 Crossflow Crossflow, High Dome
|
4 6
|
STD | 2.875 | 3109PS (Wiseco) | - | - | |
| - | 9000 (Pro) | - | |||||
| - | - | 9000V (Pro - V) | |||||
| .015 | 2.890 | - | 9015 (Pro) | - | |||
| - | - | 9015V (Pro - V) | |||||
| .020 | 2.895 | 3109P2 (Wiseco) | - | - | |||
| .030 | 2.905 | 3109P3 (Wiseco) | - | - | |||
| 9030 (Pro) | - | ||||||
| 9030V (Pro - V) | |||||||
| .040 | 2.915 | 3109P4 (Wiseco) | - | - | |||
| 90HP 1992-93 Loop Charge (top Guided Rod) | 3 | STD | 3.375 | 3142PS (Wiseco) | - | - | |
| - | 4200 (Pro) | - | |||||
| - | - | 4200V (Pro - V) | |||||
| .010 | 3.385 | 3142P1 (Wiseco) | - | - | |||
| .015 | 3.390 | - | 4215 (Pro) | - | |||
| - | 4215V (Pro - V) | ||||||
| .020 | 3.395 | 3142P2 (Wiseco) | - | - | |||
| .030 | 3.405 | 3142P3 (Wiseco) | - | - | |||
| - | 4230 (Pro) | - | |||||
| - | - | 4230V (Pro - V) | |||||
| ........................................... | |||||||