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 Oil warning oddity

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motor-timothy
Biondino
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PostSubject: Oil warning oddity   Sat Oct 27, 2018 4:51 pm

I have the following very odd issue. Occasionally the oil warning with the big SERVICE notification shows up when I turn on the key, but it only happens on one very specific condition.

I noticed this first during the summer as I was riding through Austria, which has more height variability than my own country which is basically a flat pancake. However even here in the Netherlands I have noticed that when I park my bike on a (slight) slope, with the front of the bike ending up lower than the rear (I'm aware its advisable to have the front of the bike upwards when parking on a slope, but I'm talking very slight slopes/depressions where there is no risk of the bike running off the side-stand) when I turn on the key the oil-warning and SERVICE warning triggers. It will keep giving the warning if I turn off/on the key without moving the bike.
However if I turn off the key, move the bike a meter or so to a more even level, and then turn on the key again, the warning is gone and will not trigger again. Until I park somewhere with the front wheel in a depression or something. Then it triggers the next time I turn on the keys.

So is there like any logical explanation why it should do this? Is the sensor located somewhere at the back of the bike leaving it out of the oil or something when at an inclination?
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Richard_HdS
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PostSubject: Re: Oil warning oddity   Sun Oct 28, 2018 1:15 am

Oil pressure sensor poor reliability is well known. My guess but not sure at all No
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tris1948
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PostSubject: Re: Oil warning oddity   Sun Oct 28, 2018 1:11 pm

Different bike I know, but my Breva 1100 would give a random TRIANGLE of DEATH until I replaced the the connection to the pressure switch with the one MG should have fitted

I'm not sure if the 8V has the same connection but might be worth checking its tight
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Oz1200Guzzi
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PostSubject: Re: Oil warning oddity   Sun Oct 28, 2018 2:33 pm

I replaced my connector with the following:

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Pretty sure it's a 3mm screw holding it together. Hasn't caused any issue for a long (finger's crossed) time now. This is also a known issue - 'talian 'lectrics...
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motor-timothy
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PostSubject: Re: Oil warning oddity   Sun Oct 28, 2018 5:47 pm

tris1948 wrote:
Different bike I know, but my Breva 1100 would give a random TRIANGLE of DEATH until I replaced the the connection to the pressure switch with the one MG should have fitted

I'm not sure if the 8V has the same connection but might be worth checking its tight

Thanks will check the connector, but what I find weird is that in my case its not random at all, which you would expect with a faulty connector or even a faulty sensor. I can replicate the oil warning by parking the bike nose-down.
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Oz1200Guzzi
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PostSubject: Re: Oil warning oddity   Sun Oct 28, 2018 6:17 pm

Probably means the connector is moving under its own weight and not connecting properly. Once you spy the connector and see how loose it is on the sensor, you will probably see what I am talking about.

I spent money on a new sensor only to have it "play up" within weeks. Turned out to be the connector (mine was like a sliding Tee) and the cable would just flop around on it. Putting in the quick connect and replacing the connector on the end of the cable allows for a solid connection and now all is good.

The original connector, just unscrews from the body of the sensor. If you go down this road, make sure the replacement screw is not too long - or you will short out the action of the sensor altogether - making it a time bomb...
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Richard_HdS
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PostSubject: Re: Oil warning oddity   Mon Oct 29, 2018 6:47 am

There is MG specialist who provides a rugged oil pressure sensor kit.

Have a look to the link here after. Sorry in french but you can easily translate it on the web.

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tris1948
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PostSubject: Re: Oil warning oddity   Tue Oct 30, 2018 12:07 am

motor-timothy wrote:
tris1948 wrote:
Different bike I know, but my Breva 1100 would give a random TRIANGLE of DEATH until I replaced the the connection to the pressure switch with the one MG should have fitted

I'm not sure if the 8V has the same connection but might be worth checking its tight

Thanks will check the connector, but what I find weird is that in my case its not random at all, which you would expect with a faulty connector or even a faulty sensor. I can replicate the oil warning by parking the bike nose-down.

But that should put you in a happy place hopefully

Can't you park the bike so the light comes on and then poke the connector with a long screwdriver and see if it goes off - or am i over simplifying things
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