stop wire on an old (1977) briggs and stratton

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BEJ42

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stop wire on an old (1977) briggs and stratton
« on: June 11, 2011, 16:37 »
I have just fitted a new magentron ignition to an old engine. The instructions say that I should connect the stop wire from the spade terminal on the back of the armature to where the old stop wire was connected.

Did this engine ever have a stop wire as it has a bent piece of metal onn top of ther engine which touchs the spark plug.

Any tips?


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Gwiz

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Re: stop wire on an old (1977) briggs and stratton
« Reply #1 on: June 11, 2011, 16:41 »
you should be able to put the wire to a switch, and then from the switch to earth on the engine.

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BEJ42

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Re: stop wire on an old (1977) briggs and stratton
« Reply #2 on: June 11, 2011, 19:54 »
This engine is on an old Nortell rotovator that has no controls on the handle. You just start it, set the throttle on the engine and go. Therefore the only way of stopping the engine is to use the bent bit of metal on the top of the cylinder to touch the sparking plug.

I am coming to the conclusion that the stop wire is not required.

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grendel

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Re: stop wire on an old (1977) briggs and stratton
« Reply #3 on: June 12, 2011, 13:18 »
on my norlett there is a stop switch on the casing, a wire runs from the points to this, at a flick of te switch it shorts the points and kills the spark, mine doesnt have the controls on the handle either, but has the Aspera engine.
Grendel
we do the impossible daily, miracles take a little longer.

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BEJ42

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Re: stop wire on an old (1977) briggs and stratton
« Reply #4 on: June 15, 2011, 19:43 »
Clearly very old engines/rotavators didn't bother with sophisticated controls so the stop wire is redundant and the ngine runs well.

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andygregs156

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Re: stop wire on an old (1977) briggs and stratton
« Reply #5 on: June 20, 2011, 20:25 »
This engine is on an old Nortell rotovator that has no controls on the handle. You just start it, set the throttle on the engine and go. Therefore the only way of stopping the engine is to use the bent bit of metal on the top of the cylinder to touch the sparking plug.

I am coming to the conclusion that the stop wire is not required.
Sounds like the engine came from a fixed speed machine such as a cement mixer or gen set. I would have thought you would be better fitting a carb and hand throttle from a scrap machine.

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grendel

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Re: stop wire on an old (1977) briggs and stratton
« Reply #6 on: June 20, 2011, 20:44 »
these norletts have a governer which adjusts the throttle as load is added and slows the engine the throttle is opened to maintain the revs.
Grendel



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