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Old 01 March 2006, 20:23   #11
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thanx biggles ill just have a play the weekend i do prefer yamahas though
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Old 02 March 2006, 05:56   #12
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This thread may be helpful.

Outboard problems

Post no.27 tells you how it works.

Therefore, any break in this part of the circuit will kill your sparks. Identify the cables and start checking for bad connections, broken cores to the wiring and chafed cables etc. (Bend the cables and if the core is broken you will find a tighter curve at the break.) If you are sure that all cables and connections are good, then you need to look for failed components. DO ensure you have fully eliminated the kill switch and ignition off circuits before you start giving yourself a big job.
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Old 02 March 2006, 16:06   #13
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Sound like the stator to me, if all three cylinders are down, you can check the Resistance of the stator if you can get hold of a service manual. You can check the kill circuit just by disconnecting it and trying to start the engine.
The trigger will not usually make all three cylinders stop firing, or of course it could be the switch box, but my guess id the stator.

Not hard to change if you have a flywheel puller!!
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Old 02 March 2006, 18:52   #14
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Turbo,

Surely if the stator is knackered then it won't stop the engine. Just recharging.

I'm quite happy to be put right tho as I'm no mechanic. Just had my own little problems and want to help others.
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Old 05 March 2006, 19:40   #15
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thanks guys for all the help but for the future if some one asks it could be the mercury trim switch that cuts the engine off if you trim to high thats wat it was

but thanks for the help
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Old 06 March 2006, 06:57   #16
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Quote:
Originally Posted by stu1288
it could be the mercury trim switch

The mercury filled tilt safety switch on the top port side of the engine is prone to failure. Usually when the IOM ferry is bearing down on you.

Just snip the black/yellow lead running from it and away you go.

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Old 06 March 2006, 14:47   #17
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Quote:
Originally Posted by Biggles
Turbo,

Surely if the stator is knackered then it won't stop the engine. Just recharging.

I'm quite happy to be put right tho as I'm no mechanic. Just had my own little problems and want to help others.
The stator provides electricity for both charging and the ignition system.
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Old 06 March 2006, 17:24   #18
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Quote:
Originally Posted by tue
The stator provides electricity for both charging and the ignition system.

Yeap he's right!!
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Old 06 March 2006, 17:26   #19
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Originally Posted by stu1288
thanks guys for all the help but for the future if some one asks it could be the mercury trim switch that cuts the engine off if you trim to high thats wat it was

but thanks for the help
I dont understand, are you talking about a Trim limiting mercury switch? Or a mercury switch that cuts the ignition if the engine goes over?
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Old 06 March 2006, 17:31   #20
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Merc

Turbo
Think youll find hes on about the mercury switch cuts engine when engine is tilted up passed a certain angle. Designed for those people that like to run their engines on ultra shallow drive (prop not in water). Merc done away with them as they were unreliable

Paul
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