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SeaStar Hydraulic Steering System Cylinder Selection Guide for Outboard Engines
SeaStar Hydraulic Steering System Cylinder Selection Guide for Outboard Engines

SeaStar Hydraulic Steering System Cylinder Selection Guide for Outboard Engines

Below is a comprehensive SeaStar hydraulic steering system cylinder selection guide for outboard engines. We have included single-engine, dual engine+ cylinder selection information. Additionally, we have provided convenient links to hardware kit and tie bar application guides where appropriate.

SeaStar Hydraulic Steering System Single Engine Application Guide

HC5345-3

Johnson/Evinrude ♦ 1991 - Date ♦ 40-300 HP Johnson/Evinrude ♦ 1997 - 2006 ♦ 75-300 HP Ficht Johnson/Evinrude ♦ 2002 - Date ♦ 200 - 225 HP 4-Stroke Johnson/Evinrude ♦ 2007 - Date ♦ 3.3L V6 200 - 250 HP Mercury ♦ 1989 - Date ♦ 75 - 300 HP Mercury ♦ 2003 - Date ♦ 150 - 300 HP XS Mercury ♦ 2004 - Date ♦ 150 - 200 HP Verado Mercury ♦ 2017 - Date ♦ 175 - 200 - 225 HP 3.4L V6 Mercury ♦ 2018 - Date ♦ 250 - 300 HP 4.6L V8 Suzuki ♦ 1986 - 2000 ♦ DT - 100 HP Suzuki ♦ 1986 - 2002 ♦ 115 - 140 HP Suzuki ♦ 1986 - 2013 ♦ 150 - 225 HP 2 & 4-Stroke Suzuki ♦ 2004 - Date ♦ DF200 - 300 HP 3.6 - 4.0L V6 Suzuki ♦ 2017 - Date ♦ DF325 - 350 HP 4.4L V6 Yamaha ♦ 1986 - Date ♦ 100 - 300 HP 2-Stroke Yamaha ♦ 1990 - 2003 ♦ 40 - 90 HP 2-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 1997 - Date ♦ 80 - 250 HP 4-Stroke Yamaha ♦ 2000 - Date ♦ 150 - 300 HPDI Yamaha ♦ 2007 - Date ♦ 200 - 300 HP 4.2L V6 4-Stroke Yamaha ♦ 2007 - Date ♦ F300 - F350 HP 5.3 V8 Yamaha ♦ 2012 - Date ♦ 150 - 200 HP 2.8L 4 Cylinder Yamaha ♦ 2014 - Date ♦ F115B

HC5348-3

Mercury ♦ 1998 - Date ♦ 30 - 60 HP ♦ Requires spacer kit #HO5090 Yamaha ♦ 2003 - Date ♦ 25 - 70 HP 4-Stroke ♦ Requires spacer kit #HO5090 Johnson/Evinrude ♦ 1998 - Date ♦ 40 - 140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Johnson/Evinrude ♦ 2000 - 2003 ♦ 115 HP Ficht ♦ Requires spacer kit #HO5090 Suzuki ♦ 1998 - Date ♦ 40 - 140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Suzuki ♦ 2013 - Date ♦ 150 - 200 HP 4-Cylinder Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP

Cylinder Selection

SeaStar Hydraulic Steering System Twin Engine Application Guide

HC5345-3

Johnson/Evinrude ♦ 1991 - Date ♦ 40 - 300 HP Johnson/Evinrude ♦ 1996 - Date ♦ 75 - 250 HP Ficht Johnson/Evinrude ♦ 2002 - Date ♦ 200 - 225 HP 4-stroke Johnson/Evinrude ♦ 2007 - Date ♦ 3.3L/3.4L 200 - 250 HP Mercury ♦ 1989 - Date ♦ 75 - 300 HP Mercury ♦ 1996 - Date ♦ 75 - 200 HP 2 & 4-stroke Mercury ♦ 1998 - Date ♦ 30 - 60 HP Mercury ♦ 2004 - Date ♦ 150 - 200 HP Verado Suzuki ♦ 1986 - 2002 ♦ 115 - 140 HP Suzuki ♦ 1986 - 2015 ♦ 150 - 300 HP 2 & 4-stroke Suzuki ♦ 1986 - Date ♦ 100 HP Suzuki ♦ 2013 - Date ♦ DF150 - 300 HP Yamaha ♦ 1986 - Date ♦ 100 - 250 HP 2-stroke Yamaha ♦ 1990 - 2007 ♦ 40 - 90 HP 2-stroke Yamaha ♦ 2000 - Date ♦ 150 - 300 HPDI Yamaha ♦ 2007 - Date ♦ 200 - 300 HP 4.2L V6 4-stroke Yamaha ♦ 2014 - Date ♦ F115B

HC5348-3

Johnson/Evinrude ♦ 2005 - Date ♦ E250 DPX Vindicator Yamaha ♦ 2003 - Date ♦ 25 - 70 HP 4-stroke

HC5358-3

Johnson/Evinrude ♦ 1998 - Date ♦ 40 - 140 HP 4-stroke Johnson/Evinrude ♦ 2000 - Date ♦ 115 HP Ficht Mercury ♦ 2002 - 2003 ♦ 225 HP 4-stroke Suzuki ♦ 1998 - Date ♦ 40 - 140 HP 4-stroke Suzuki ♦ 2003 - Date ♦ 90 HP 4-stroke Yamaha ♦ 2001 - 2003 ♦ 80 - 250 HP 4-stroke Yamaha ♦ 2003 - Date ♦ F150 - F250 3.3L Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP Mercury ♦ 2016 - Date ♦ 150 HP 3.0L 4-stroke

HC6845

Mercury ♦ 2003 - Date ♦ 150 - 200 XS Mercury ♦ 2003 - Date ♦ 250 - 300 HP XS Suzuki ♦ 2017 -Date ♦ DF325 - 350 HP 4.4L V6 Yamaha ♦ 2007 - Date ♦ F300 - F350 HP 5.3 V8

Cylinder Selection

Tournament Series Cylinder Selection

HC6845

Part #HC6845 is the proper cylinder for single, twin single cylinder, twin dual cylinder, triple dual cylinder, quad engine dual cylinder, and quintuplet+ setups.

Cylinder Selection

BayStar Outboard Steering Application Guide

HC4645H

Johnson/Evinrude ♦ 1991 - Date ♦ 40-150 HP Johnson/Evinrude ♦ 1997 - Date ♦ 75-150 HP Ficht Mercury ♦ 1984 - Date ♦ 75-150 HP Suzuki ♦ 1986 - Date ♦ 150 HP Suzuki ♦ 1987 - 2002 ♦ 115-140 HP ♦ Requires spacer kit #HO5090 Suzuki ♦ 1990 - 2000 ♦ 90-100 HP Suzuki ♦ 1998 - Date ♦ 40-70 HP 4-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 1986 - Date ♦ 70-90 HP ♦ 2-stroke Requires spacer kit #HO5090 Yamaha ♦ 1997 - Date ♦ 80-150 HP 4-stroke Yamaha ♦ 1998 - Date ♦ 40-50 HP Yamaha ♦ 1998 - Date ♦ 60 HP

HC4648H

Mercury ♦ 1998 - Date ♦ 40-60 HP ♦ Requires spacer kit #HO5090 Yamaha ♦ 2000 - Date ♦ 25-70 HP 4-stroke ♦ Requires spacer kit #HO5090

HC4658H

Johnson/Evinrude ♦ 1997 - Date ♦ 115 HP Ficht Johnson/Evinrude ♦ 1998 - Date ♦ 40-140 HP 4-stroke ♦ Requires spacer kit #HO5090 Suzuki ♦ 2001 - Date ♦ 90-140 HP 4-Stroke ♦ Requires spacer kit #HO5090 Yamaha ♦ 2011 - Date ♦ F115A including SHO 90 & 115 HP Click for more SeaStar hydraulic steering system resources Make sure you always have the right Yamaha outboard controls.

36 comments

Do u have a hydraulic system for my 1990 200 hp Johnson

Rick,

I HAVE A EVINRUDE 150 HP ON A 1994 STRATOS 270 BASS BOAT. THE DUAL STEERING IS SEIZED UP AND WONDERED IF IT CAN BE CONVERTED TO HYDRAULIC?

RONALD NASH,

I need one for 2009 Mercury Optimax 225

Mark C. Williams,

I need one for my 2008 Mercury 25 hp 4 stroke.

Paul Salter,

I need one for my 2005 yamaha f250 4 stroke txr

William baldwin,

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