SeaStar BayStar Outboard Hydraulic Steering Application/Fitment Guide
Single Engines up to 150 HP
HONDA
| YEAR | MODEL | CYLINDER | NOTES |
| 1992 - DATE | 30-50 HP | HC4645H | NOTE 2* |
| 1996 - DATE | 75-90 HP | HC4645H | |
| 2015 - DATE | BF100 HP | HC4645H | |
| 1998 - DATE | 115-130 HP | HC4647H | |
| 2003 - DATE | 135-150 HP | HC4645H | |
| 2010 - DATE | 115 HP | HC4645H |
JOHNSON/EVINRUDE
NOTICE: Johnson 115 HP 2-stroke engines, required the pivot plate to be flipped. See note #4.
| YEAR | MODEL | CYLINDER | NOTES |
| 1991 - DATE | 40-150 HP | HC4645H | NOTE 2* |
| 1997 - DATE | 115 HP FICHT | HC4658H | NOTE 4* |
| 1997 - DATE | 75-150 HP FICHT | HC4645H | NOTE 5* |
| 1998 - DATE | 40-140 HP 4-STROKE | HC4658H | NOTE 1,2,4* |
MERCURY
| YEAR | MODEL | CYLINDER | NOTES |
| 1984 - DATE | 75-150 HP | HC4645H | NOTE 5* |
| 1998 - DATE | 40-60 HP | HC4658H | NOTE 1,2* |
SELVA
| YEAR | MODEL | CYLINDER | NOTES |
| 2000 - DATE | 25-70 HP | HC4648H | NOTE 1,2* |
| 2000 - DATE | 90-150 HP | HC4645H | NOTE 5* |
| 2011 - 2013 | 115 HP | HC4658H |
SUZUKI
| YEAR | MODEL | CYLINDER | NOTES |
| 1986 - DATE | 150 HP | HC4645H | NOTE 5* |
| 1987 - 2002 | 115-140 HP | HC4645H | NOTE 1* |
| 1990 - 2000 | 90-100 HP | HC4645H | |
| 1998 - DATE | 40-70 HP 4-STROKE | HC4645H | NOTE 1,2* |
| 2001 - DATE | 90-140 HP 4-STROKE | HC4658H | NOTE 1,4* |
TOHATSU
| YEAR | MODEL | CYLINDER | NOTES |
| 1990 - DATE | 40-140 HP | HC4645H | NOTE 2* |
| 12014 - DATE | BFT60-BFT150 | HC4658H |
YAMAHA
| YEAR | MODEL | CYLINDER | NOTES |
| 1998 - DATE | 40-50 HP | HC4645H | NOTE 2* |
| 1998 - 2002 | 60 HP | HC4645H | NOTE 3* |
| 1986 - 2000 | 70-90 HP 2-STROKE | HC4645H | NOTE 1* |
| 1997 - DATE | 80-150 HP 4-STROKE | HC4645H | NOTE 5* |
| 2000 - DATE | 25-70 HP 4-STROKE | HC4648H | NOTE 1,2* |
| 2011 - DATE | F115 A INC. SHO 90 & 115 HP | HC4658H | |
| 2014 - DATE | F115B | HC4645H |
*NOTES:
1. Requires Spacer Kit (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-48511-004D must be installed.
4. Cylinder (HC4645H) may be used in these applications. The pivot plate will need be flipped before installation. Instructions provided with Owner's Manual.
5. High performance 150 HP engines or Command Trust engines MUST use SeaStar.
NOTICE: HC4645H compact cylinder is included with the BayStar Steering Kits. If your engine requires the use of a cylinder other than HC4645H or HC4658H, then please refer to these figures for the right or additional replacement pivot plate. Available Special Order Only.
