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SeaStar Outboard (Front Mount)

new-cylinder

The NEW SeaStar Outboard Steering Cylinder

SeaStar Solutions, the leader in hydraulic and mechanical marine steering, has introduced a
new outboard hydraulic cylinder featuring upgrades to the barrel, sealing system and fittings.
These upgrades are designed to keep pace with the introduction of heavier higher horsepower
engines found on today’s new boats.

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FEATURES
• Independent engine tilt for twin/triple engine installations
• Easy steering
• Suitable for use with all SeaStar Helms & SeaStar Power Assist
• Varying lock to lock turn ratio, dependant on helm selection
• State of the art proprietary sealing system offers excellent resistance to repeated compression
set and is designed to better withstand the harsh environment
• Stainless steel adjustable O-Ring (ORB) fitting for easier installation

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MULTIPLE ENGINE CONFIGURATION
For Single, Twin and Triple Engine Applications

Twin Engine / Single Cylinder (Uses HO6001 tie bar) Twin Engine / Dual Cylinder (Uses HO6002 tie bar)
new-outboard-cylinder-single new-outboard-cylinder-dual-web

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SEASTAR SYSTEM UPGRADE OPTIONS

power-assist-new-cylinder
SeaStar Power Assist

Today’s high horsepower engines are much heavier and are producing more propeller torque than ever before. Naturally this additional weight and torque has an effect on the boat’s steering when these loads are transferred to the wheel. Unacceptable levels of steering load can increase driver fatigue and discomfort. The SeaStar Power Assist virtually eliminates all steering loads and provides modern boaters the same level of steering comfort and control found in cars. Even in the most extreme applications, the boat will be more comfortable to steer. The SeaStar Power Assist allows the boat to be driven safely and easily by the whole family.

helm-new-cylinder
New SeaStar Steering Helms

SeaStar Solutions has updated our very popular SeaStar and BayStar hydraulic steering helm pumps. The new helms will be a direct replacement for the existing products with additional product features.
The addition of adjustable stainless steel o-ring seal fittings will simplify the installation process and will allow for simple reorientation of the fittings after installation.

bulkhead-hose-kits-new-cylinder
Stainless Steel Bulkhead Hose Kits Options

SeaStar Stainless Steel Bulkhead Hoses assures a neat and clean steering installation. These hose assemblies have integral 316 stainless steel bulkhead plate(s) and 316 stainless steel fittings which allow for tidy hose routing while preventing hose kinking or chafing.

bulkhead-hose-kits-new-cylinder
Drive Bracket Kits Options

The Tournament Drive Bracket kit is for use with our Adjustable Tie Bars on standard SeaStar steering cylinders. This new series of hardware kits will allow the consumer to take full advantage of all the features and benefits of our heavy-duty adjustable tie bar products for twin engine applications up to 600 HP.

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How To Select A Front Mount Outboard Steering System
Outboard Installation Recommendations
Order Guide
Application Guide – Single Engine Applications
Application Guide – Twin Engine Applications

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HOW TO SELECT A FRONT MOUNT OUTBOARD STEERING SYSTEM

1)  From the installation recommendations on page 3-3 select the system configuration based on:
a) the number of engines,
b) the total power of engine(s) to be installed andc) driving use.
2)From the application guides, confirm that the Front Mount cylinder will fit your specific make, model and year of engine. Select the adapter kit for single engines or the tie bar kit for dual engines.

3)From Section 6 select the appropriate helms and accessory hardware for each steering station.

4)From Section 9 select the fitting and hose kits required for the installation.

5)Confirm that there is sufficient space available in the splashwell and dash areas for the steering components.

6)Determine if Power Assist is desired, see SeaStar Power Assist Steering to even further enhance your hydraulic steering system.

CAUTION: Not recommended for use in installations where;
a) Chopper, cleaver or surface piercing propellers are used,
b) The engine is highly elevated on the transom,
c)Engine trim tabs have been removed,
d)The boat speed exceeds 75 mph (120 km/h), or
e)The power exceeds the maximum Coast Guard or M.O.T. recommendations for the boat.

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OUTBOARD INSTALLATION RECOMMENDATIONS

Outboard recommendations made in this section are based on our experience with typical installations, applications and usage. Ensure you select the system which provides the best comfort versus performance. It is the boat manufacturer and the installer’s responsibility to ensure the components selected are sufficiently validated on the boat for safe and acceptable operation. DO NOT use SeaStar Solutions Steering in applications they are not intended for.

 

(See page 3-11 through page 3-12)

ENGINE SEASTAR FRONT MOUNT
(Normal Use –
 Refer to page 3-4 through 3-7 of the Hydraulic selection guide)
SEASTAR TOURNAMENT SERIES
(Aggressive Use – See Note 1 – Refer to page 3-8 through 3-12 of the Hydraulic selection guide)
Single Engine SINGLE CYLINDER
350HP Max
75 MPH Max
HC53xx Cylinder (See Note 2)
SINGLE CYLINDER
350HP Max
HC63xx Cylinder (See Notes 2 & 3) or HC6845S
Dual Engine
Non-Counter
Rotating
SINGLE CYLINDER
450 HP Max
55 MPH Max
HC53xx-3 Cylinder
Ho60xx Tie Bar
SINGLE CYLINDER
Tournament Cylinders
(See page 3-11 through page 3-12)
DUAL CYLINDER
Tournament Cylinder
HC53xx-3 Cylinder
Ho60xx Tie Bar
DUAL CYLINDER
Tournament Cylinders
(See page 3-11 through page 3-12)
Dual Engine
Counter
Rotating
SINGLE CYLINDER
600HP Max, 55 MPH Max
HC53xx Cylinder, HO60xx Tiebar
SINGLE CYLINDER
Tournament Cylinders
(See page 3-11 through page 3-12)
DUAL CYLINDER
600HP Max, 55 MPH Max
HC53xx Cylinders, HO60xx Tiebar
DUAL CYLINDER
Tournament Cylinders
(See page 3-11 through page 3-12)
Triple Engine
One With
Counter
Rotating
DUAL CYLINDER
600 HP Max
55 MPH Max
HC53xx-3 Cylinder
Ho60xx Tie Bar
*MAX center engine drop <.75″
DUAL CYLINDER
Tournament Cylinders
See page 3-11 through page 3-12)
TRIPLE CYLINDER
900HP Max, 55 MPH Max
HC53xx-3 Cylinders, HO60xx Tie Bar
*MAX center engine drop <.75″
Consult SeaStar Solutions Technical Service

NOTES
1. SeaStar Solutions® has specific steering equipment for boats that are driven aggressively, used in severe conditions or with more than 300 HP per engine.
2. ALL ENGINES over 300 HP and all boats that are driven aggressively must use a high strength tiller bolt, kit part #HA5822. All front mount cylinders built after June 15, 2007 will have this high strength bolt included in the box. High strength tiller bolts can be identified by the marking ‘SEASTAR  ARP’ on the head of the bolt (refer to NOTICE on page 3-6).
3. HC63xx PRO Cylinders are designed for all those critical high speed, single outboard engine boats, such as Bass, Flats combo Race/Ski and other performance orientated boats capable of speeds in excess of 65 mph. For optimal performance, the use of SeaStar PRO helms and PRO Hoses are recommended

 

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ORDER GUIDE (Normal Use)

ENGINE/CYLINDER CONFIGURATION DESCRIPTION QTY. REQ. MODEL PART #
SINGLE ENGINE (Single Cylinder)
Applications up to 350HP Max.
Number of Turns = 5

NOTICE:
HC5345-3 is not compatible with all engines. Refer to Application Guides on page 3-5 to page 3-10 to ensure you have the correct cylinder for your application
Cylinder 1 Front Mount HC5345-3**
Helm 1 SeaStar* HH5271-3
Hose Kit 1 Outboard Hose HO51XX***
Oil 3 SeaStar Oil HA5430
For Extra Steering Station Add:
Helm 1 SeaStar* HH5271-3
Fitting Kit 1 Add a Station HF6007
Hose Kit 1 Outboard Hose HO51XX
Oil 1 SeaStar Oil HA5430
DUAL ENGINE (Single Cylinder)
Non-Counter Rotating Applications up to 450HP Max.
Counter Rotating Applications up to 600HP Max.
Number of Turns = 5
Cylinder 1 Front Mount HC5345-3**
Tie-Bar Kit 1 HO60XX**
Helm 1 SeaStar* HH5271-3
Hose Kit 1 Outboard Hose HO51XX**
Oil 3 SeaStar Oil HA5430
For Extra Steering Station Add:
Helm 1 SeaStar* HH5271-3
Fitting Kit 1 Add a Station HF6007
Hose Kit 1 Outboard Hose HO51XX**
Oil 1 SeaStar Oil HA5430
DUAL ENGINE (Dual Cylinders)
Non-Counter Rotating Applications up to 600HP Max.
All Counter Rotating Applications up to 600HP Max
Number of Turns = 6.5
Cylinder 2 Front Mount HC5345-3**
Tie-Bar Kit 1 HO60XX**
Helm 1 SeaStar* HH5272-3
Hose Kit 3 Outboard Hose HO51XX**
Fitting Kit 1 Tee Fittings HF5530
Oil 3 SeaStar Oil HA5430
For Extra Steering Station Add:
Helm 1 SeaStar* HH5272-3
Fitting Kit 1 Add a Station HF6007
Hose Kit 1 Outboard Hose HO51XX**
Oil 1 SeaStar Oil HA5430
OPTIONAL EQUIPMENT Back Plate Kit (for Standard Helms) HA5478
20 Degree Wedge (for Standard Helms) HA5419
Autopilot Fitting Kit (for all -3 Helms) HF5501
Power Assist steering PA1200-2

NOTES:
* All helm designs can be used
** Refer to application guides
*** Refer to measuring hose distance

NOTICE:
Front Mount Cylinder part# HC5345-3 is included in the SeaStar Outboard Steering Kits HK6400A-3/HK63xxA-3. If your engine requires the use of a cylinder other than the HC5345-3 (see application guides on pages 3-5 through 3-6) you will need to purchase the individual components (helm, cylinder, hoses, etc.) separately.

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APPLICATION GUIDE – Single Engine (Normal Use)
Prior to selecting a cylinder from this application guide, please refer to our order guide to ensure that you are selecting the correct cylinder for your engine/boat.

ENGINE MANUF. YEAR MODEL CYLINDER NOTES
Honda 1996 TO DATE 75-90HP HC5345-3
1998 TO 2009 115-130HP HC5347-3
1998 TO DATE 30-50 HP HC5345-3 See Note 1
2001 TO DATE BF150 HC5345-3 See Note 3
2001 TO DATE BF200-500 HC5445-3
2003 TO DATE BF135 HP HC5345-3
2010 TO DATE 115 HP HC5345-3
2015 TO DATE BF100 HP HC5345-3
Johnson / Evinrude 1991 TO DATE 40-300HP HC5345-3 Inc. ETech
1997 TO 2006 75 – 300 HP Ficht HC5345-3
1998 TO DATE 40-140 HP 4-Stroke HC5358-3 See Note 1
2000-2003 115 HP Ficht HC5358-3 See Note 1
2002 TO DATE 200-225 HP 4-Stroke HC5345-3
2007 TO DATE 3.3L V6 200-250 HP HC5345-3 Inc. H.O. Models
Mercury 1989 TO DATE 75-300 HP HC5345-3
1998 TO DATE 30-60HP HC5348-3 See Note 1
2003 TO DATE 150-300HP XS HC6345-3
2004 TO DATE 150-200HP VERADO HC5345-3
2017 TO DATE 175-200-225 HP 3.4L V6 HC5345-3
2018 TO DATE 250-300 HP 4.6L V8 HC5345-3 See Note 2
Oxe 2017 TO DATE 200 HP Diesel I4 2.4L HC5345-3
Selva 2000-2013 90-115 HP HC5358-3
2014 TO DATE 115 HPE HC5345-3
2000 TO DATE 150 HP HC5345-3
2007 TO DATE 200-300 HP 4.2L V6 HC5345-3
Tohatsu 1990 TO DATE 40-140 HP HC5345-3
2014 TO DATE BFT60-BFT150 HC5345-3
2014 TO DATE BFT200-BFT250 HC5445-3
Suzuki 1986 TO 2000 DT-100HP HC5345-3
1998 TO DATE 40-140 HP 4-Stroke HC5348-3 See Note 1
1986 TO 2002 115-140HP HC5345-3 NOT 1996
1986 TO 2013 150-225 HP 2 & 4-Stroke HC5345-3
2004 TO DATE DF200-300 HP 3.6-4.0L V6 HC5345-3
2013 TO DATE 150-200 HP 4 Cylinder HC5358-3
2017 TO DATE DF325-359 HP 4.4L V6 HC5345-3
Yamaha 1990-2007 40-90 HP 2-STROKE HC5345-3 See Note 1
1986-DATE 100-300 HP 2-STROKE HC5345-3
2000-DATE 150-300 HPDI HC5345-3
2003-DATE 25-70 HP 4-Stroke HC5348-3 See Note 1
2007-DATE 200-300 HP 4.2L V6 4-Stroke HC5345-3
2007-DATE F300-F350 HP 5.3V8 HC5345-3 See Note 3
2011 TO DATE F115A inc. SHO 90 & 115 HP HC5358-3
2012 TO DATE 150-200 HP 2.8L 4 Cyl. HC5345-3
2014-DATE F115B HC5345-3

NOTES:
1. Requires spacer kit HO5090.
2. PRO XS MUST use HC6345-3
3. Optional cylinder part # HC5358-3. Slight interference may occur when using the HC5358-3, with the engine in the full tilt position.

NOTICES:
High Strength Tiller bolt, part# HA5822. ALL cylinders shipped after June 15th, 2007 will have this bolt included in the cylinder package.

Front Mount Cylinder part# HC5345-3 is included in the SeaStar Outboard Steering Kits HK6400A-3/HK63xxA-3. If your engine requires the use of a cylinder other than the HC5345-3 (see application guides) you will need to purchase the individual components (helm, cylinder, hoses, etc.) separately.

CAUTION:
SeaStar Solutions® recommends the use of SeaStar PRO (1500 psi) Kevlar steering hoses with SeaStar PRO Helms.

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APPLICATION GUIDE – Twin Engine (Normal Use)
Prior to selecting a cylinder from this application guide, please refer to our order guide to ensure that you are selecting the correct cylinder for your engine/boat.

ENGINE MANUF. YEAR MODEL CYLINDER TIE BAR KITS NOTES
Twin Engine Single Cyl. Twin Engine Dual Cyl.
Honda 1996 TO DATE 75-90HP HC5345-3 HO6001 HO6002 See Note 3
1998 TO 2009 115-130HP HC5347-3 HO5063 HO5064 See Note 5
1998 TO DATE 30-50HP HC5345-3 HO6001 HO6002 See Note 2
2001 TO DATE 150HP 4-STROKE HC5345-3 HO6001 HO6002 See Note 8
2001 TO DATE BF200-250 HC5445-3 HO6001 HO6002
2003 TO DATE BF135 HP HC5345-3 HO6003 HO6002
2011 TO DATE 115 HP HC5345-3 HO6003 HO6002
2015 TO DATE BF100 HC5345-3 HO6003 HO6002 See Note 7
Johnson / Evinrude 1991 TO DATE 40-300HP HC5345-3 HO6003 HO6002 Inc. ETech Engines
1996 TO DATE 75-250HP Ficht HC5345-3 HO6003 HO6002
1998 TO DATE 40-140 HP 4-STROKE HC5358-3 HO6003 HO6002 See Note 2
2000 TO DATE 115HP Ficht HC5358-3 HO6003 HO6002 See Note 2
2002 TO DATE 200-225 HP 4-STROKE HC5345-3 HO6003 HO6002
2005 TO DATE E250 DPX VINDICATOR HC5348-3 HO6003 HO6002
2007 TO DATE 3.3L/3.4L 200-250 HP HC5345-3 HO6003 HO6002 Inc. H.O. Models.
Mercury 1989 TO DATE 75-300 HP HC5345-3 HO6001 HO6002 See Note 3
1996 TO DATE 75-200 HP 2 & 4-STROKE HC5345-3 HO6001 HO6002 See Note 8
1998 TO DATE 30-60 HP HC5345-3 HO6001 HO6002 See Note 2
2002 TO 2003 225 HP 4-STROKE HC5358-3 HO6001 HO6002 See Note 1
2004 TO DATE 150-200 HP VERADO HC5345-3 HO6001 HO6002
2003 TO DATE 150-200 XS MUST Use Tournament Cylinders.Contact tech. support for details.
2003 TO DATE 250-300 HP XS MUST Use Tournament Cylinders.See Selection Guide, page 3-11.
2016 TO DATE 150 HP 3.0L 4-Stroke HC5435-3 N/A HA5520 See Note 9
2017 TO DATE 175-225 HP 4-Stroke 3.4L V6 HC5435-3 HO6001 HO6002
2018 TO DATE 250-300 Pro XS 4-Stroke 4.6L HC6345-3 HA5521 HA5520 See Note 9
Oxe 2017 TO DATE 200 HP Diesel I4 2.4L MUST Use Tournament Cylinders.See Selection Guide, page 3-11.
Suzuki 1986 TO DATE 100 HP HC5345-3 HO6003 HO6002
1986 TO 2002 115-140HP HC5345-3 HO6001 HO6002 NOT 1996
1986 TO 2015 150-300 HP 2 & 4-Stroke HC5345-3 HO6003 HO6002
1998 TO DATE 40-140 HP 4-Stroke HC5358-3 HO6003 HO6002 See Note 2
2003 TO DATE 90 HP 4-Stroke HC5358-3 HO6003 HO6002 See Note 2
2013 TO DATE DF150 – DF175 HP HC5345-3 HO6001 HO6002
2017 TO DATE DF325-350 HP 4.4L V6 MUST Use Tournament Cylinders.See Selection Guide, page 3-11.
Yamaha 1990 TO 2007 40-90 HP 2-Stroke HC5345-3 HO6003 HO6002
1986 TO DATE 100-250 HP 2-Stroke HC5345-3 HO6001 HO6002
2000-DATE 150-300 HPDI HC5345-3 HO6001 HO6002
2001 TO 2003 80-250 HP 4-Stroke HC5358-3 HO6001 HO6002 See Note 1
2003 TO DATE F150-F250 3.3L HC5358-3 HO6001 HO6002
2003 TO DATE 25-70 HP 4-Stroke HC5348-3 HO6003 HO6002 See Note 2
2007 TO DATE 200-300 HP 4.2L V6 4-Stroke HC5345-3 HO6001 HO6002
2007 TO DATE F300-F350 HP 5.3V8 MUST Use Tournament Cylinders.See Selection Guide, page 3-11.
2011 TO DATE F115A inc. SHO 90 & 115 HP HC5358-3 HO6003 HO6002
2014 TO DATE F115B HC5345-3 HO6001 HO6002

NOTES:
1. HC5345-3 is optional for SINGLE ENGINE ONLY applications. DO NOT use HC5345-3 for Twin engine applications as operational interference may occur.
2. Requires kit HO5090.
3. Minimum engine center = 27″.
4. May require extensive cowling modifications.
5. HO5030 and HO5064 comes without tie-bar.
6. One cylinder per engine. Must use Mercury supplied tiller bolt for installation.
7. Customer Supplied SS washer must be installed under rod end
8. Slight interference may occur with HO6001 tie bar, contact SeaStar Solutions technical support.
9. Refer to table in our Selection Guide, page 3-5 for tie bar part number.

NOTICE:

HO6001, HO6002 and HO6003 are for engine centers up to 36″. For wider engine centers please contact SeaStar Solutions Technical Support.

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