Ultraflex Nautech 3 Hydraulic Steering For Outboard Max 300hp

Ultraflex Nautech 3 is hydraulic steering for boats and dinghies, suitable for outboard motors over 150HP and up to 300Hp of power, uses a balanced central mount cylinder (requires an equal number of turns from half stroke to full stroke 4.7 turns left , 4.7 turns right).

The NAUTECH 3 kit includes:

- Ultraflex front mount pump for UP28F hydraulic steering
-Compact structure
- Axial piston system
- Equipped with a non-return valve that prevents reversibility
- Integrated overpressure protection valve
- 3/4 ”tapered shaft in stainless steel
- Non-return valve and shaft seal easily accessible in case of replacement
-Rotor built in cast iron for a longer life
-Complete with 90 ° adjustable fittings for 3/8 "(9.5 mm) pipe

Pump model: UP28F
Ultraflex code: 42459R
Mounting: Front
Capacity / Revolution: 28 cc - 1.7 cu.in
Number of pistons: 5
Overpressure Valves Calibration: 70 Bar - 1000 PSI
Max diameter of the steering wheel: 710 mm - 28 "
Weight: 5 Kg

Cylinder model: UC128-OBF Balanced: equal number of revolutions from half-stroke to full-stroke
Adjustable fittings for ease of installation, high-strength stainless steel connection bolt (ULTRABOLT)
The UC128 cylinder, built with high quality materials, including the stainless steel rod, the gaskets and
high strength connecting arms, it has been designed for a long life. It is easy to
install and is compatible with almost all 2 and 4 stroke outboard engines on the market.
Recommended for engines up to 300HP.

UC128-OBF / 3 cylinder is compatible with the following engines:

MERCURY MARINER
75-90-115-125 Optimax 2T Year 2004-present

HONDA
BF115D Year 1998-2009
BF130A Year 1998-2005


ATTENTION
The above diagram is to be considered only indicative and however requires careful verification by the installer.



To complete the system, the following products must be purchased separately, which are NOT INCLUDED in the kit:

A ULTRAFLEX KIT OB piping kit with pre-assembled fittings based on the required length, see on our website or click on the accessories tab of this page.

A steering wheel to be selected from those on our site,

See the images to see the dimensions of the components.

Package includes: 1pc Ultraflex UC128-OBF / 3 cylinder with hose connector, 1pc Ultraflex UP28F pump, 2 liters of oil for hydraulic steering systems, Assembly instructions.