YAMAHA Lower Unit / Gearcase Seal Kit 677-W0001-C0
Click & Collect Available
Order online and collect within 2 hours during business hours.
Part Number Cross-Reference & Supersessions
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Yamaha OEM Part Numbers:
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677-W0001-C0/677-W0001-C0-00(Primary Part Number) -
677-W0001-20/677-W0001-21/677-W0001-22(Lower Unit Revision Numbers)
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Aftermarket Cross-Over Numbers:
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Sierra Marine:
18-2680 -
Recmar:
REC677-W0001-C0 -
Outboard Spares:
OSSK677
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Engine Fitment & Application Chart
| Feature | Details |
| Part Type | Lower Unit / Gearcase Seal Kit |
| Engine Type | Yamaha 2-Stroke, 2-Cylinder (677 Model Code) |
| Horsepower | 8 HP |
| Model Years | 1978 – 1997 |
Compatible Outboard Models
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Yamaha 8 HP Models (2-Stroke 2-Cylinder):
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8B/8C/8MH/8MSH -
Standard 8 HP 2-Stroke Twin models (1978–1997)
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Mariner Outboards (Yamaha Built):
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Mariner 8 HP 2-Stroke 2-Cylinder (677 / W-series code models)
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Kit Contents Include
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Propeller Shaft Oil Seals
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Driveshaft Base Oil Seals & O-Rings
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Shift Shaft Oil Seal & Bushing O-Rings
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Water Pump Base Plate Gasket & Wear Plate Gasket
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Lower Unit Drain & Fill Plug Washers / Gaskets
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Bearing Carrier / Housing O-Rings