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Powerhead Rebuild Kit - Mercury / Mariner 70 - 90 HP 3 Cylinder Looper 87 - 93 .010 Over | WSM 100 - 25 - 11
Powerhead Rebuild Kit - Mercury / Mariner 70 - 90 HP 3 Cylinder Looper 87 - 93 .010 Over | WSM 100 - 25 - 11
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$1,451.50 AUD
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$1,451.50 AUD
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Service kit for selected Mariner, Mercury 70 / 75 / 80 models (1987–1993) — WSM 100-25K.
Product Details
| Brand | WSM |
|---|---|
| Part Number | 100-25K |
| Product Type | Marine Outboard Parts > General Parts |
| Application | Mercury |
Available Sizes
Choose standard or over-size bore: Standard Bore, Over-Size Bore, Over-Size Bore, Over-Size Bore, Over-Size Bore, Over-Size Bore. Select the WSM SKU that matches your engine bore.
| Option | Bore | WSM SKU |
|---|---|---|
| Standard | — | 100-25K |
| +0.00 mm | — | 100-25-045K |
| +0.00 mm | — | 100-25-04K |
| +0.00 mm | — | 100-25-05K |
| +0.00 mm | — | 100-25-06K |
| +0.00 mm | — | 100-25-07K |
Fitment
Fits selected Mariner / Mercury models — see table below.
Mariner
| Model | Engine | Years |
|---|---|---|
| ALL Mariner ALL Mercury 3 Cyl 3.375 Bore Looper | 70 | 1987–1990 |
Mercury
| Model | Engine | Years |
|---|---|---|
| 3 Cyl 3.375 Bore Looper | 70 | 1987–1990 |
| 3 Cyl 3.375 Bore Looper | 75 | 1990–1993 |
| 3 Cyl 3.375 Bore Looper | 80 | 1987–1990 |
| 3 Cyl 3.375 Bore Looper | 90 | 1987–1993 |
Fitment confirmation: Please confirm suitability using the OEM references, fitment guide and product images before ordering.






