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Old 07 March 2015, 23:34   #1
Country: USA
Town: Mountain View, CA
Boat name: Six Park
Make: Mercury
Length: 4m +
Engine: Suzuki 30ATL
Join Date: Dec 2014
Posts: 192
Control cable length

My motor's manual has this formula for control cable length

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But they assume that the control cable is routed at the same level as the motor.

Since I have to route the cable down the side of the console, run it on the bottom of the starboard tube, and then up to the motor, how much should I add to the calculation?

Similarly, what about steering cables?

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Old 08 March 2015, 03:44   #2
SimonStDavids's Avatar
Country: UK - Wales
Town: St Davids
Boat name: Mellifera
Make: Avon
Length: 4m +
Engine: Outboard
Join Date: May 2010
Posts: 166
This might be stating the obvious but you could use a bit of rope to trace the route and then measure the resultant.

I did something similar when I moved the console on a previous boat and rounded it up to the nearest foot.

It might be worth turning the engine hard to starboard though as although it won't change the length of the steering cable required many engine control cables enter at the front of an outboard so hard over might need a longer cable than straight ahead, if that makes sense

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Old 11 March 2015, 07:36   #3
Phil M's Avatar
Country: UK - England
Town: Whitehaven
Boat name: Pegasus
Make: Zodiac Pro 530
Length: 5m +
Engine: 115hp Merc 4st
Join Date: Oct 2012
Posts: 276
Also, measure the distance into the control box and as far into the engine as the cable goes. My set up added nearly 2 foot over the control box exit to engine exit points.

Phil M
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Old 11 March 2015, 09:21   #4
Country: UK - England
Town: Hamble
Length: 9m +
Join Date: Dec 2002
Posts: 2,256
ropes too floppy, use something like a garden hose
It is better to remain silent and be thought a fool, than to speak and remove all doubt!
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