Engine cut out

Anything to do with the 1200 GranPasso series

Engine cut out

Postby ogr1 » 20 Jul 2020 17:24

Hi ..
I have posted this on the 'Granpasso eu' site, but no response as yet.
I know it is not a new subject, but...
Sunday.
I was out for a ride and the bike shut down, mid corner and a slight uphill? No warning.
Engine just stopped, all dash lights on, pulled clutch in and coasted until bike was upright again,
pressed starter and it fired back into life?
Very disconcerting and dangerous. :?
I believe that the previous owner had modified the bike
I.e. Lambda probe bypassed, decat exhaust and new mapping.
So much potential for this bike, but it runs like a wounded
dog.
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Re: Engine cut out

Postby corsaro chris » 22 Jul 2020 11:26

Not good!

Did you warm the engine up above 40 degrees before starting? I've stalled mine twice by not doing this, once on the IoM in front of two fellow Morini owners - who've never let me forget this basic ritual...

I'm on my second GP, which has now done (only) 18000 plus miles; as you say, a great bike worth persevering with!

Good riding,
"I'll use the Morini"
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Re: Engine cut out

Postby ogr1 » 22 Jul 2020 21:54

Hi..
Yes, engine very hot as normal, been out a few miles before that happened.
Seat off when i got home, checked it battery terminals had been loosened and anything else that
could have dislodged itself, saw nothing that jumped out at me?
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Re: Engine cut out

Postby MickeyMoto » 23 Jul 2020 05:53

Modern bikes have a fall over relay. If you drop the bike it switches off the engine. Is there one on modern Morinis and if so maybe worth checking?
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Re: Engine cut out

Postby ogr1 » 23 Jul 2020 17:09

Mmmm, if that's not a wind up?
Then it is very interesting, would this relay not reset itself after the ignition key is turned on and off?
I know i was winding around a nice right hander at the time, but i'm no Rossi with me knee down... :) :lol: :lol:
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Re: Engine cut out

Postby MickeyMoto » 23 Jul 2020 21:57

I know Triumphs have them.
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Re: Engine cut out

Postby Steve Brown » 23 Aug 2020 20:16

Micky is right-most modern bikes have this. It may even be compuslory? The sensor/switch can sometimes stick/fail so it is a possibility. Of course the work you say the PO had done might also be part of it. That's the risk with any used bike-you never quite know what they were thinking or if they knew what they were doing. Sorry, that sounds a bit gloomy.
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Re: Engine cut out

Postby ShaunR » 27 Aug 2020 13:32

Hi Steve,
I think it is my old GP that you have. Paul from Two Wheel Nation rang me today to ask if the bike was decatted. The bike was decatted and remapped and apart from being a little lumpy until warmed, always ran pretty much perfectly. I also have a scrambler and a Corsaro zz. The Scrambler is also decatted and remapped and runs wonderfully, just as they all should. I have commitment to the brand, the engines and chassis are second to none but they do have fuelling issues. I had a previous GP that regularly did exactly as you describe. The ZZ has a somewhat violent gap in its fuelling at about 3.5k that feels like It wants to just throw you off. With both I have learnt to ride around the problems but you shouldn’t really have to. This is especially true when you realise just how well they can run. The Scrambler, and until your issue, the GP, both decatted and remapped have been everything they should be. I am counting the days until the ZZ can have the same treatment because despite its faults I just love that bike. I’d love to be able to help, something has changed, because as I say it was great. I can’t imagine it is anything major. Probably not significant but I have got into the habit of using super unleaded. Not sure it makes any difference. Keep in touch and let me know how you go on.
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Re: Engine cut out

Postby MickeyMoto » 27 Aug 2020 14:33

My 2006 Corsaro and my 2018 Scrambler have never had issues with fuelling and both were / are standard.

Both needed / need warming up, but I have always done that by gentle riding not idling until warm. I wait for the temperature to rise and then fall back to operating temperature. Always done that with all my internal combustion engines.

The fall over relay is not a wind up. I know Triumphs have them. I would think they would be compulsory now to switch off the fuel if the bike is on its side.
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Re: Engine cut out

Postby ShaunR » 27 Aug 2020 15:04

Probably should have said: can have fuelling issues
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Re: Engine cut out

Postby ogr1 » 13 Sep 2020 19:03

Well, after a little more research.
I decided to remove the Lambda sensor
and give it an overnight bath in petrol.
re-fitted this morning and went for a
four hour blat. There is a definate
improvement with tick over and less
engine cut outs, but it's not perfect.
Maybe a new sensor required, but it has only
done 7000 miles.
I believe the anti tilt sensor is located
either behind or under the clocks.
This would be subject to lots of buffeting
and knocks and bumps as it is above the
front wheel. Not really doing a
sensitive sensor a lot of good there.
It's probably placed there as it would be
in-line with the tank height.
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