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Old 29 June 2014, 11:46   #1
ian parr's Avatar
Country: UK - Wales
Town: Near oswestry
Boat name: Billy may
Make: Tornado 5.3
Length: 5m +
Engine: 90 yamaha
MMSI: 235109146
Join Date: Nov 2013
Posts: 119
killcord not working

Hi,after all this talk about kill cords,,on my old sr4 it worked perfect,always checked and no probs,thank god,I've just changed boats and it has a yamaha 90 on it. Ran it all up today and all good except,,you guessed !!!! The bloody kill cord don't work. It's a yamaha 703 control,can someone let me know if its a simple fix before I open it up to have a look,it's just had new gear and throttle cables fitted so I'm hoping they have just dislodged a wire or two,,thanks for any suggestions

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Old 29 June 2014, 12:42   #2
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Nos4r2's Avatar
Country: UK - England
Town: The wilds of Wiltshire
Boat name: WhiteNoise/Dominator
Make: Ballistic 7.8/SR5.4
Length: 7m +
Engine: Opti 225/Yam 85
MMSI: 235090687/235055163
Join Date: Jul 2005
Posts: 12,554
Take it apart slowly, VERY VERY carefully and take a picture every time you do a single action-eg removing a screw or a gear or you won't get it back together.

An unplugged wire will stop the kill cord working.
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Old 29 June 2014, 13:08   #3
Country: USA
Town: Oakland CA
Length: 3m +
Join Date: Feb 2005
Posts: 6,623
First thing to do is to check if it it's the motor or the switch/wiring: Trace the wires back to wherever they terminate on the motor and put an ohmmeter across the two points. Trip the kill cord and see if it changes. If it does, no point in tearing apart your control box. If it doesn't then proceed as Nos described.

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Old 29 June 2014, 15:07   #4
Country: UK - Scotland
Town: wormit
Boat name: lots of them
Make: various
Length: no boat
Engine: all types
Join Date: Dec 2004
Posts: 301
If it stops with the key the problem is inside the 703. It probably the contacts inside the switch. Take the kill switch apart and clean the contacts but be careful when you unscrew the cap a small spring will fall out.
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