SKU:
Osculati-52.581.02
$ 98,36
1-2 weeks delivery time
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Osculati 52.581.02 is a Polastorm Hub Kit F22 designed for Yamaha outboards from 50 to 100 HP. It features a 15-spline broaching and is made to fit gearcases with a 4 1/4" (108 mm) diameter. This kit provides secure engagement, efficient shock absorption, and vibration damping between the propeller and driveshaft. Suitable for both aluminum and stainless steel Polastorm propellers using the F22 hub system, it ensures long-term driveline protection and easy replacement without special tools. A perfect fit for medium-class Yamaha outboards in recreational or light-duty commercial applications.
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Osculati 52.581.02 – Polastorm Hub Kit F22 for Yamaha 50–100 HP, 15 Teeth Broaching, 4" 1/4 (108 mm)
The Osculati 52.581.02 Polastorm Hub Kit F22 is built for Yamaha outboards ranging from 50 to 100 HP. Designed with a 15-tooth broaching and a 4 1/4" (108 mm) gearcase diameter, this hub kit ensures accurate spline alignment and efficient torque transfer. It comes with all necessary hardware for safe and stable propeller installation and is compatible with both aluminum and stainless steel Polastorm propellers using F22-style inserts. Ideal for medium-power boats where durability, vibration damping, and corrosion resistance are critical.
Kit Composition:
- Tear stopper
- Thrust stop
- Front washer
- Spacer
- Locking nut
Key Features:
- For Yamaha outboards from 50 to 100 HP
- 15-spline broaching (F22 type)
- Fits gearcase diameter: 4 1/4" (108 mm)
- Compatible with aluminum and stainless steel Polastorm propellers
- Absorbs shock and minimizes spline wear
- OEM-level fit and reliability for mid-range outboards
Technical Specifications:
Item Code Osculati 52.581.02 Model F22 Gearcase Diameter 4 1/4" (108 mm) Number of Splines 15 Compatible Engine Brand Yamaha Recommended Engine Power 50–100 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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