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Baystar Compact Front Mount Hydraulic Steering Cylinder Outboard – Part No. HC4645H Up to 150HP

Cylinder Capacities – SeaStar Solutions Part No. HC4645H

Cylinder Model: Front Mount

Bore: 1.25″ / 31.7mm

Shaft Dia.: .625″ / 15.9mm

Stroke: 8″ / 203mm

Volume: 118.6cc / 7.2 cu in

Torque: N/A

INTRODUCTION

Baystar hydraulic steering is brought to you by the manufacturers of SeaStar®, the most trusted name in pleasure boat steering. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP as rated by the engine manufacturer. Combine this with the superior SeaStar Solutions design team, rigid ISO quality control and teamed with the finest materials and precision manufacturing BayStar continues the tradition bringing comfort and safety to boating.

BayStar is NOT recommended in applications with high steering effort (i.e. such as those using high-performance engines or boats capable of attaining high speeds), customers should consider upgrading the system to SeaStar/SeaStar Pro steering . This will reduce the steering effort due to the fact that SeaStar steering provides more output power resulting in lower steering effort.

Features – Baystar Hydraulic Steering HC4645H

  • Patented No FeedBack steering lock valves.
  • 5.2 turns lock-to-lock.
  • Up to 150 horsepower (total).
  • Available either as separate components or as a complete system ready to install.
  • Fixed cylinder.
  • Requires 3″ (76mm) cut-out hole in dash (Helm)
  • Requires 21″ (534mm) splash well width.

CAUTION
DO NOT use BayStar on smaller HP outboard engines that use wing nut type transom mount clamping screws.

Notice
Tilt Helm HH4315 is available separately. Currently not available in kit form.

 

APPLICATION GUIDE – Baystar Steering Cylinder

(Cylinders HC4645H/47H/48H/58H)

MANUFACTURER YEAR MODEL CYLINDER NOTES
FORCE 1985 to DATE 90-150 HP HC4645H  
HONDA 1992–DATE 30–90 HP HC4645H  
1998 – 2009 115–130 HP HC4647H  
2001–DATE 150 HP HC4645H  
2003–DATE BF135 HP HC4645H  
2010–DATE 115–150 HP HC4645H  
JOHNSON / EVINRUDE 1977 – 1990 65-150 HP HC4648H  
1991 to DATE 40–150 HP HC4645H  
1997–DATE 115 HP FICHT HC4658H See Notes 4, 5
1997–DATE 75–150 HP FICHT HC4645H  
1998–DATE 40–140 HP 4-Stroke HC4658H See Notes 1, 4
MERCURY/MARINER 1984 to DATE 75-150 HP HC4645H  
NISSAN 1990 to DATE 120-140 HP HC4645H  
SUZUKI 1986 to DATE 150 HP HC4645H  
1996 ONLY 115–140 HP N/A  
1987 – 2002 115–140 HP HC4645H See Note 1
1990 – 2000 90–100 HP HC4645H  
1998–DATE 40–70 4-Stroke HC4645H See Note 1
2001–DATE 115–140 HP 4-Stroke HC4658H See Notes 1, 4
TOHATSU 1990-DATE 40-140 HP HC4645H  
YAMAHA 1998 to DATE 40-50 HP HC4645H See Note 2
1998–DATE 60 HP HC4645H See Note 3
1986–DATE 70–90 HP HC4645H See Note 1
1997–DATE 80–150 HP 4-Stroke HC4645H  
2000–DATE 25–60 HP 4-Stroke HC4648H See Note 1
2010–DATE 70HP 4-Stroke HC4648H  
1997 – 2013 115A 4-STROKE HC4658H  
2014 to DATE 115B 4-STROKE HC4645H  
YANMAR 1990 to DATE 27-36 HP HC4645H  

Notes
1. Requires Spacer kit part # HO5090
2. Engine clamp brackets must be cut or ground, and the engine through bolted onto the transom, or interference will occur, restricting engine trim and tilt.
3. Steering hook Yamaha Part # 63D-48511-00-4D must be installed
4. Cylinder HC4645 may be used in these applications. The pivot plate will need to be flipped before installation.
Instructions provided with the Owner's Manual.
5. Johnson 115 HP 2-Stroke engines, require the pivot plate to be flipped. See Note #4.

SKU 291071
Barcode # 731957932013
Brand BayStar
Shipping Weight 5.0000kg
SKU: 291071

Baystar Cylinder Compact Hc4645H

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QTY: 999
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$828.99

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Baystar Compact Front Mount Hydraulic Steering Cylinder Outboard – Part No. HC4645H Up to 150HP

Cylinder Capacities – SeaStar Solutions Part No. HC4645H

Cylinder Model: Front Mount

Bore: 1.25″ / 31.7mm

Shaft Dia.: .625″ / 15.9mm

Stroke: 8″ / 203mm

Volume: 118.6cc / 7.2 cu in

Torque: N/A

INTRODUCTION

Baystar hydraulic steering is brought to you by the manufacturers of SeaStar®, the most trusted name in pleasure boat steering. BayStar allows you to install all of the safety, reliability and comfort of hydraulic steering onto your boats rated up to MAX. 150HP as rated by the engine manufacturer. Combine this with the superior SeaStar Solutions design team, rigid ISO quality control and teamed with the finest materials and precision manufacturing BayStar continues the tradition bringing comfort and safety to boating.

BayStar is NOT recommended in applications with high steering effort (i.e. such as those using high-performance engines or boats capable of attaining high speeds), customers should consider upgrading the system to SeaStar/SeaStar Pro steering . This will reduce the steering effort due to the fact that SeaStar steering provides more output power resulting in lower steering effort.

Features – Baystar Hydraulic Steering HC4645H

  • Patented No FeedBack steering lock valves.
  • 5.2 turns lock-to-lock.
  • Up to 150 horsepower (total).
  • Available either as separate components or as a complete system ready to install.
  • Fixed cylinder.
  • Requires 3″ (76mm) cut-out hole in dash (Helm)
  • Requires 21″ (534mm) splash well width.

CAUTION
DO NOT use BayStar on smaller HP outboard engines that use wing nut type transom mount clamping screws.

Notice
Tilt Helm HH4315 is available separately. Currently not available in kit form.

 

APPLICATION GUIDE – Baystar Steering Cylinder

(Cylinders HC4645H/47H/48H/58H)

MANUFACTURER YEAR MODEL CYLINDER NOTES
FORCE 1985 to DATE 90-150 HP HC4645H  
HONDA 1992–DATE 30–90 HP HC4645H  
1998 – 2009 115–130 HP HC4647H  
2001–DATE 150 HP HC4645H  
2003–DATE BF135 HP HC4645H  
2010–DATE 115–150 HP HC4645H  
JOHNSON / EVINRUDE 1977 – 1990 65-150 HP HC4648H  
1991 to DATE 40–150 HP HC4645H  
1997–DATE 115 HP FICHT HC4658H See Notes 4, 5
1997–DATE 75–150 HP FICHT HC4645H  
1998–DATE 40–140 HP 4-Stroke HC4658H See Notes 1, 4
MERCURY/MARINER 1984 to DATE 75-150 HP HC4645H  
NISSAN 1990 to DATE 120-140 HP HC4645H  
SUZUKI 1986 to DATE 150 HP HC4645H  
1996 ONLY 115–140 HP N/A  
1987 – 2002 115–140 HP HC4645H See Note 1
1990 – 2000 90–100 HP HC4645H  
1998–DATE 40–70 4-Stroke HC4645H See Note 1
2001–DATE 115–140 HP 4-Stroke HC4658H See Notes 1, 4
TOHATSU 1990-DATE 40-140 HP HC4645H  
YAMAHA 1998 to DATE 40-50 HP HC4645H See Note 2
1998–DATE 60 HP HC4645H See Note 3
1986–DATE 70–90 HP HC4645H See Note 1
1997–DATE 80–150 HP 4-Stroke HC4645H  
2000–DATE 25–60 HP 4-Stroke HC4648H See Note 1
2010–DATE 70HP 4-Stroke HC4648H  
1997 – 2013 115A 4-STROKE HC4658H  
2014 to DATE 115B 4-STROKE HC4645H  
YANMAR 1990 to DATE 27-36 HP HC4645H  

Notes
1. Requires Spacer kit part # HO5090
2. Engine clamp brackets must be cut or ground, and the engine through bolted onto the transom, or interference will occur, restricting engine trim and tilt.
3. Steering hook Yamaha Part # 63D-48511-00-4D must be installed
4. Cylinder HC4645 may be used in these applications. The pivot plate will need to be flipped before installation.
Instructions provided with the Owner's Manual.
5. Johnson 115 HP 2-Stroke engines, require the pivot plate to be flipped. See Note #4.

SKU 291071
Barcode # 731957932013
Brand BayStar
Shipping Weight 5.0000kg