SKU:
Osculati-52.581.03
$ 98,36
1-2 weeks delivery time
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Osculati 52.581.03 is a heavy-duty Polastorm Hub Kit F23 designed for Yamaha outboards from 150 to 300 HP. Featuring a 15-tooth broaching and fitting large gearcases with a 4 3/4" (120.7 mm) diameter, this hub kit ensures accurate spline engagement, shock absorption, and high torque transfer. Built for stainless steel and aluminum Polastorm propellers using F23-type inserts, it’s ideal for offshore, performance, and heavy-load applications. The kit includes all essential hardware to ensure secure and durable propeller installation on Yamaha high-power outboards.
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Osculati 52.581.03 – Polastorm Hub Kit F23 for Yamaha 150–300 HP, 15 Teeth Broaching, 4" 3/4 (120.7 mm)
The Osculati 52.581.03 Polastorm Hub Kit F23 is specifically engineered for Yamaha outboards ranging from 150 to 300 HP. It features a 15-spline broaching and fits gearcases with a 4 3/4" (120.7 mm) diameter. The hub kit absorbs drivetrain shock, reduces vibration, and protects spline interfaces under high torque loads. Designed for use with both stainless steel and aluminum Polastorm propellers, the F23 hub system provides long-lasting, reliable performance in demanding marine environments.
Kit Composition:
- Tear stopper
- Thrust stop
- Front washer
- Spacer
- Locking nut
Key Features:
- Designed for Yamaha outboards from 150 to 300 HP
- 15-spline broaching (F23 type)
- Fits large gearcases: 4 3/4" (120.7 mm)
- Compatible with aluminum and stainless steel Polastorm propellers
- Absorbs shock and minimizes driveline wear under heavy loads
- Ideal for offshore, sport fishing, and commercial applications
Technical Specifications:
Item Code Osculati 52.581.03 Model F23 Gearcase Diameter 4 3/4" (120.7 mm) Number of Splines 15 Compatible Engine Brand Yamaha Recommended Engine Power 150–300 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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