![Ultraflex UC81-OBF Hydraulic Cylinder Front Mount 115HP Ultraflex UC81-OBF Hydraulic Cylinder Front Mount 115HP](https://cdn11.bigcommerce.com/s-wgzijng1sc/images/stencil/300x300/products/2373/5336/JPW18846__08197.1705898900.jpg?c=1)
Ultraflex GoTech OBF Outboard Hydraulic Steering Kit 115HP
Ultraflex Oversize Product
Ultraflex Gotech OBF hydraulic steering kits are designed for single outboard engines up to 115hp, where the boat speed does not exceed 45mph (40 knots).
Kits fit most engines including Evinrude, Honda, Johnson, Mercury, Mariner, Suzuki, Tohatsu, Nissan, Selva and Yamaha.
Depending on the applications on the outboard engine, the UC81-OBF can be installed port or starboard.
The kit comes packaged with all the required parts to fit to your boat including a helm pump, outboard front mount cylinder, two litres of hydraulic oil and a hydraulic hose kit.
Gotech Hydraulic Steering Kit Contains:
- 1x UP18 Front Mount Helm Pump
- 1x UC81-OBF Front mount outboard cylinder See engine application guide below
- 2x OL150 Hydraulic Steering Oil 1L bottles
- 1x KIT OB-GT-60 - Hose kit (1/4" dia x 6m length)
For steering wheels (sold separately) see our Steering Wheels category here.
Features:
- For outboard single engine up to 115 hp
- 4.5 turns lock to lock, balanced
- Outboard Front Mount cylinder
- Zero Feedback
- Heavy duty hose included (rated to 55 bar or 800 psi)
- Simple Installation.
- Made in Italy.
UC81-OBF Cylinder Specifications:
- Volume: 81 cc - 4.9 cu.in
- Output force: 222kg (489 lbs)
- Internal diameter: 27.4mm (1.08")
- Stroke: 186 mm (7.3”)
- 3/8” (9.5mm) fittings for high pressure flex hose
- Bleed fittings: DN5 Quick connect
Engine Application Guide
Note: These recommendations should be used as a general reference only.
Engine | Power | Year |
---|---|---|
Evinrude® | E40-E50-E55-E60 2 stroke E75-E90 2 stroke E115 2 stroke V4 |
2004-today 2004-today 1995-today |
Honda® | BF40-50-60-75-90 4 stroke BF115D BF115A BF90 V-TEC 4 stroke |
1995-today 1998-2009 2009-today 2008-today |
Johnson® | BJ60-70 4 stroke BJ90-115 4 stroke J90-115 V4 2 stroke |
2001-2007 2001-2007 1995-2007 |
Mercury® Mariner® |
50 – 75 – 90 2 stroke 115 EFI 2 stroke 75 – 90 – 115 Optimax 2 stroke 40 – 50 – 60 EFI 4 stroke 75 – 80 – 90 EFI 4 stroke 100 – 115 EFI 4 stroke |
1990-2008 1990-2007 2004-today 2004-today 2000-today 2007-today |
Suzuki® | DF40-50-60-70-80-90 4 stroke DF100-115 4 stroke* DF100-115 4 stroke new model |
1998-today 1998-2008 2008-today |
Tohatsu® Nissan® |
40-50-60-70-90 2 stroke 75-115 2 stroke 40-50TLDI 4 stroke 70-90-115 TLDI 4 stroke |
2004-today 2004-today 2004-today 2004-today |
Selva® | 40XS-50 Madeira 2 stroke 40XS-50 Bull shark 2 stroke 40XS-60 Grey shark 2 stroke 40XS-70 Mako Shark 2 stroke 40XS-60 St.Tropez 2 stroke 80 Portofino/Tigershark 2 stroke 25 Kingfish 4 stroke 40 Aruana 4 stroke 40XS-40XSR-50-60 Dorado EFI 4 stroke 40XSR EFI Murena 4 stroke 80XS-100-100XSR EFI Marlin 4 stroke 115-115XSR EFI Tarpon 4 stroke 115 EFI Narwhal 4 stroke |
1995-today 2000-today |
Yamaha® | 60-70 2 stroke 75C-90 2 stroke 115C 2 stroke F40G-F70 4 stroke F30-F40-F60-F75-F80 EFI 4 stroke F70 4 stroke F90-F100-F115 EFI 4 stroke F80-F100 4 stroke F115 F40D-F50F-F60C EFI 4 stroke |
1984-2008 1998-2008 1990-2008 2010-today 1999-2007 2010-today 199-2007 2000-today 2004-today |
*NOTE: Suzuki® engines built from 1998 to 2008 installing UC81-OBF cylinder require optional KIT SU - 41954W.