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Old 25 November 2005, 04:15   #1
Nasher's Avatar
Country: Other
Town: Principalite d'Chaos
Boat name: The Nashers Revenge!
Make: Ocean & Bombard
Length: 6m +
Engine: Suzi DT200EFI, DT9.9
MMSI: "Mmmmm SI" she said!
Join Date: Jan 2004
Posts: 4,142
Still frustrated

I’m still trying to sort out my 200EFI Suzi intermittent starting problem.

I’m worried about reminding everyone, in case there is a ‘most public breakdown award’ at the Solent xmas dinner.

To recap – its starts and runs fine from cold but very occasionally won’t start from hot, I can’t get a spark at the plugs, but then suddenly all is well.

I’ve now identified the neutral switch as the most likely culprit.

It’s a micro switch that works off a cam on the gear selector arm mechanism under the hood, and unlike any other outboard I’ve owned its just cuts the ignition rather than disabling the starter motor. So the engine turns over as usual on the starter, but won’t fire.

First thoughts were obviously to junk it, and remember to put it in neutral. But now I’ve realised I can’t do that.

With engine in neutral and not running, the switch is ‘Off’ (presume ignition is not grounded). The engine can be started.

With engine in gear and not running, the switch is ‘On’ (presume ignition is grounded). The engine can’t be started.

Once the engine is running the state of the switch has a different function.

With engine in neutral and running, the switch is ‘Off’ however the engine appears to be limited to @2000RPM. This is what happened when I ran without the switch. Should have thought about it really. – Doh! Obviously stops you revving the nuts off it in neutral.

With the engine in gear and running, the switch is ‘on’ and has allows engine to rev out.

So if I junk it and hard wire it ‘on’ the engine won’t start.
And if I hard wire it ‘off’ the engine will start but only rev to 2000RPM

So looks like I need to pay Suzuki a load of cash for a new switch.
Just like my wife, now it’s a bit old and ‘tired’ I can’t live with it, and can’t live without it!

Anyway, off to Dublin for the weekend, so will sort it out when I get back.
If spared!


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Nasher is offline   Reply With Quote
Old 25 November 2005, 07:08   #2
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,298
A weekend in Dublin will cost more than a neutral switch and give you a headache rather than cure it!
Downhilldai is offline   Reply With Quote

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