OMC Stringer 800
- Larger lower gear housing for V6/V8
- Mechanical shift (1978–1985)
- Ball gears instead of a U-joint
- Engine and drive are trimmed together
OMC Stringer 800
- 1978–1985
Drive specs
| Model years | 1978–1985 |
|---|---|
| Type | Drives |
| Gear ratios | 1.85:1 (lower) |
|---|---|
| Propeller system | Single propeller |
Lower unit variants
| Variant | Gear ratio | Year | Identification | Source |
|---|---|---|---|---|
| Servo/hydro shift lower unit | 1.85:1 | 1978–1981 | Lower gear set 26/14 for inline six, V6 and V8. | sterndrive.info: OMC drive gear ratios and history (external link) |
| Mechanically shifted lower unit | 1.85:1 | 1982–1985 | — | sterndrive.info: OMC drive gear ratios and history (external link) |
Service points
- Drive oil: change it and check that it isn't milky (water)
- Sacrificial anodes
- Propeller and propeller shaft seals
Troubleshooting
How to identify the drive
Check the model and serial numbers, not just the engine's output. Tell the Stringer (beam mounting and ball-type gears) apart from the Cobra (transom mounting, U-joint and trim cylinders). 400/800 denote small and large gear housings respectively.
Compare all drives →Official identification charts
- Mariner's Warehouse: How to identify an OMC Cobra lower unit
Spare parts
| Part | Part number | Note | Source |
|---|---|---|---|
| Gear housing seal kit (800, V6 case) | 982946 | Original OMC number replaced by the SEI kit | Sterndrive Engineering (SEI): Seal Kit, Stringer V6 Case (800) (external link) |
| Propeller nut kit without thrust washer (1978–1990) | 175266 | Original OMC number replaced by the SEI kit | Sterndrive Engineering (SEI): Prop Nut Kit, W/O Thrust Washer, 78-90/800 Series (external link) |
Exploded views & parts catalogs
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Related models
Service guides
Sources
- sterndrive.info: OMC drive gear ratios and history (external link)
- GLM Marine: OMC catalog with exploded views (Stringer, Cobra) (external link)
- sterndrive.info: OMC exploded views (external link)
- Wikipedia: Outboard Marine Corporation (en) (external link)
- Sterndrive Engineering (SEI): Seal Kit, Stringer V6 Case (800) (external link)
- Sterndrive Engineering (SEI): Prop Nut Kit, W/O Thrust Washer, 78-90/800 Series (external link)
- GLM Marine: 30 Years of the OMC Sterndrive (external link)
- sterndrive.info: OMC 800 and Cobra (external link)