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One of the most important factors in the installation of the steering assembly is the length of the steering lines. Too loose and someone will trip over them. Too tight and either they won't have enough play to work properly or they might not reach the engine. Proper measurement will ensure that the correct length of cable or hose is bought for your system. Refer to measurements A, B, and C in the diagram below:
How to Measure for Original Installations
Fig. A Center line of steering wheel to gunwale
Fig. B Dash to transom
Fig. C Gunwale to transom center line
For installations mounted to transom or splashwell:
A + B + C - 6" = Cable length needed.
Example: A=18" B=96" C=24" Total 138" - 6" = 132" or 11' of cable.
(Round off to the next largest size if necessary.)
For installations through engine tilt tube:
A + B + C + 6" = Cable length needed.
Example: A=18" B=96" C=24" Total 138 + 6" = 144" or 12' of cable.
The Steering System for Control On the Water
Mechanical steering systems use a helm unit driving a flexible cable. This gives precise control to any outboard, I/O, or rudder in single- or dual-station boats. For high-performance applications, two-cable systems are available. Hydraulic steering systems use just two main components — a helm pump and a cylinder. These systems can easily handle outboard, I/O, and inboard engines in boats up to 40'.
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