- Brand: Yamaha
- Size: 40 50 HP
- Color: Gray
- Style: Long - 3 cylinder - 2 stroke - 14/13 splines
- Condition: Used
- Notes: 1 YEAR WARRANTY!
- SKU: 31944 LRU
- Manufacturer Part Number: 6H4-45300-12-EK 6H4-45300-11-EK 6H4-45300-02-EK
- Country of Manufacture: Japan
- Motor & Engine Type: Yamaha
- Part Type: Motors, Engines & Components
- Other Part Number: 6H4-45300-10-EK 6H4-45300-01-EK 6H4-45300-00-EK
- Surface Finish: Painted, Gray
- Warranty: 30 days
- Inventory Number: 31944 LRU
- Website Category: Lower Units
- Website Sub Category: Complete Lower Units
- UPC: N/A
6H4-45300-12-EK Yamaha 20" Lower Unit 3 cyl 2 stroke
6H4-45300-12-EK Yamaha 20" 3 cyl 2 stroke lower unit for 1984–1993 outboards, 40 50 HP. Inspected, serviced, and tested for proper function. Gears are replaced only if bad — good OEM gears are retained. Please note: Please note that this does not come with the trim tab, propeller, or propeller hardware. There was a harline crack on the skeg, so we have installed a new skeggard for extra protection!
SPECS
| Driveshaft length: 19-1/4″ | |
| Driveshaft splines: 14 | Prop shaft splines: 13 |
Driveshaft length measured from the top of the water pump.
WHAT WE DID
| ❖ Fully resealed ❖ Pressure checked to 12 PSI ❖ New water pump impeller installed | ❖ Driveshaft and prop shaft checked straight ❖ Professionally cleaned ❖ Opened and inspected |
FITMENT
6H4-45300-12-EK Yamaha 20"
| Years | 1984–1993 |
| Shaft | 20" |
| Horsepower | 40 50 HP |
Verify by model and serial number before purchase to confirm this is the correct unit for your application.
Backed by Southcentral Outboards. Warranty validated by core return — we provide the shipping label. Failures during normal use within the warranty period will be repaired or replaced.
DISCLAIMER
Listing info accurate to the best of our knowledge but not guaranteed. Fitment is the buyer’s responsibility — verify by model and serial before purchase.
SOUTHCENTRAL OUTBOARDS · ALTAMONT, IL
