SEI Yamaha V6 2 Stroke 1.81:1 25" Shaft Counter Lower Unit
SEI Yamaha V6 2 Stroke 1.81:1 25" Shaft Counter Lower Unit
SEI Yamaha V6 2 Stroke 1.81:1 25" Shaft Counter Rotation Replacement Lower Unit
Note for purchasing: You must verify your Gear Ratio. Call for application assistance if needed, and have your engine serial number ready when calling. This unit replaces most Yamaha 2 Stroke V6 3.1 & 3.2L (225HP / 250HP) engines with 1.81:1 gear ratio and 25" drive shaft. This model is for counter rotation only.
- SE428, 1.81:1, 25" Driveshaft
- Counter Left Hand Rotation
- 76° V6 2 Stroke 3.1L & 3.2LYamaha Outboards
- Includes Sterndrive Engineering's No Fault Warranty for 3 Years
Measuring Guide:
- Use 20" models when from the top of the driveshaft to the mounting surfaces measures 22.5"
- Use 25" models when from the top of the driveshaft to the mounting surfaces measures 27.5"
Item is subject to a 20% restocking fee (Boat Covers, Bimini Tops, Outdrives, Drop Ship Items and Special Order Parts)!
**Year, Serial Number, and Horsepower are required to order. Please contact us with this information after you place your order otherwise processing will be delayed.
California Residents: 
WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov
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Quick Specifications
- Brand
- Sterndrive Engineering
- Part Number
- S-E-90-428-A25
- Product Type
- Yamaha Outboard Parts
- Availability
- In Stock
- Support
- Fitment help available
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