Bravo One - Replacement Upper Unit 1.36 Gear Ratio
Overview & Technical Specs
| Product Overview | |
|---|---|
| Fits | Mercruiser |
| MPN | 90-121-01C-(BRAVO1) |
| OEM Part # | 1589-8868H87 |
| Product Series | Bravo One |
| Unit Type | Bravo One Upper Unit |
| Warranty | 3 Year Fault Free Warranty |
| Weight | 75.0 lb |
| Item Condition | New |
| Technical Specifications | |
| Combustion | Gas |
| Gear Ratio | 1.36 |
| Rotation | Bi-Directional |
| Shaft Length | Standard |
| Tooth Count | 29/27 |
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Description
The SE121 Bravo One replacement upper unit features a 1.36 gear ratio with a 29/27 tooth count. Rated for up to 425 HP, this unit includes the newer style case with the oil recirculation system positioned toward the front. Your lower unit must have the matching oil passage (serial number OF730000 and above). This is not a replacement for Bravo X, XR, or XZ drives.
OE #1589-8868H87 Install Kit and Anode Kit are not included — see related items below.



