SKU:
Osculati-52.581.01
$ 81,97
1-2 weeks delivery time
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Osculati 52.581.01 is a Polastorm Hub Kit F12 designed for Yamaha outboard engines from 25 to 60 HP. It features a 13-tooth broaching and fits gearcases with a 3 1/2" (89 mm) diameter, ensuring precise spline engagement and reduced vibration under load. The kit includes all components required for safe and effective propeller installation and is suitable for both aluminum and stainless steel Polastorm propellers using F12 hub systems. Designed for mid-range Yamaha engines, this OEM-equivalent kit ensures smooth power transfer and long-lasting driveline protection.
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Osculati 52.581.01 – Polastorm Hub Kit F12 for Yamaha 25–60 HP, 13 Teeth Broaching, 3" 1/2 (89 mm)
The Osculati 52.581.01 Polastorm Hub Kit F12 is specifically developed for Yamaha outboards in the 25–60 HP range. It features a 13-spline broaching and fits lower units with a 3 1/2" (89 mm) gearcase diameter. The kit includes all required components to ensure secure propeller installation and absorb drivetrain shock. Suitable for both aluminum and stainless steel Polastorm propellers using the F12 system, this kit offers vibration dampening and long-term spline protection under real-world marine conditions.
Kit Composition:
- Tear stopper
- Thrust stop
- Front washer
- Spacer
- Locking nut
Key Features:
- Designed for Yamaha outboards 25–60 HP
- 13-spline broaching (F12 type)
- Fits gearcase diameter: 3 1/2" (89 mm)
- Ensures proper alignment and shock absorption
- OEM-equivalent solution for Polastorm propellers
- Compatible with both aluminum and stainless steel blades
Technical Specifications:
Item Code Osculati 52.581.01 Model F12 Gearcase Diameter 3 1/2" (89 mm) Number of Splines 13 Compatible Engine Brand Yamaha Recommended Engine Power 25–60 HP Included Components Tear stopper, thrust stop, front washer, spacer, nut Documents
Osculati Catalogue 2025 - page 1045 Size: 107,2 Kb -
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