- Handle Up to 90 HP Engines: This marine hydraulic steering kit delivers steady, efficient steering performance for outboards up to 90 HP, providing a 5 turns lock-to-lock for precise and responsive handling on every trip
- Durable & Reliable Helm Pump: Built to handle 6.9 MPa/1000 psi, this hydraulic steering kit features a check valve, fill port, stainless steel ORB fittings, and a replaceable shaft seal. The aluminum alloy housing ensures long-lasting corrosion resistance
- Compact Hydraulic Cylinder: The boat hydraulic steering system includes a space-saving cylinder that fits a variety of boat types. Its reinforced sealing structure ensures smooth steering performance and durability even in rough marine conditions
- Wide Boat Compatibility: This outboard hydraulic steering pump kit works with center consoles, speedboats, cruisers, and offshore fishing boats, making it a versatile choice for a wide range of outboard setups
- Easy DIY Installation: Pre-assembled hydraulic steering pump kit comes with clearly labeled ports and complete accessories, making installation quick and straightforward. No special tools or modifications required
- Item Model Number
- YSH-90HP
- Lock-to-Lock Turns (Pump)
- 5 ± 0.5 turns
- Steering Wheel Mount Thread
- 5/8″-18 UNF
- Max Working Pressure
- 6.9 MPa/1,000 psi ± 10%
- Cylinder Capacity
- 67 ± 10% mL
- Bore Diameter
- 25 ± 0.5 mm
- Rod Diameter
- 14 ± 0.5 mm
- Stroke
- 200 ± 2 mm
- Applicable Engine Horsepower
- Up to 90 HP
- Color
- Black
- Material
- Aluminum Alloy + 304 Stainless Steel
A: Yes. It is specifically designed for outboards up to 90 HP, delivering smooth, reliable steering performance.
Q: Is there a risk of hydraulic oil leakage?
A: No. The quality seals ensure leak-free operation and support hydraulic oils rated ISO VG 15–32.
Q: Can I install it myself easily?
A: Yes. It comes with a complete kit and simple step-by-step instructions.
Q: How do I know if this hydraulic steering kit fits my outboard model?
A: We provide detailed compatibility images on the product page. Simply compare your outboard model with the chart shown to confirm the correct match before purchasing.
Q: How to solve the abnormal reactions of the system in practical operation?
A: Please refer to the bleed method in the user manual, completely bleeding the air out before restarting.








































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