Outboard Propeller 9.875 X 11.25 Right Hand Rotation 3-Blade 10-Spline OEM Replacement Fits Yamaha 20 To 30HP Outboards F25 F30 T20 T25 T30 Motors Ref 664-45947-01-EL

9.875x11.25 Right-Hand 3-Blade OEM Prop for 20-30HP
✔️ Diameter 9.875 in, Pitch 11.25 in, 10-spline, Right-Hand Rotation

This high-strength aluminum alloy propeller is an OEM replacement for 20-30HP outboard engines, designed to fit 10-spline shafts. It provides solid performance on small to mid-size fishing boats, aluminum or fiberglass craft, inflatables, and recreational family boats.

✅ Diameter 9.875 in, Pitch 11.25 in, 3 blades, 10-spline
✅ Rotation: Right-hand
✅ Material: high-strength aluminum alloy for lightweight yet strong performance
✅ OEM replacement with identical compatibility; no adjustments needed
✅ Recommended WOT RPM: 5000-6000 RPM
✅ Reference parts: 664-45947-01-EL / 664-45947-01-36 / 664-45947-01-00
✅ Applicable vessel types: small to medium fishing boats, aluminum or fiberglass boats, inflatables, small workboats, family boats

💡 What is a typical propeller size for 20-30HP engines and how does the choice affect performance?

Choosing the right prop helps balance thrust, speed, and fuel efficiency in day-to-day boating.

- Improves mid-range acceleration and top-end efficiency
- Maintains engine within the recommended WOT RPM range for everyday use
- The 3-blade design provides solid bite with smoother operation