Oil light on

[lazylightnin717]

Update:

Replaced the switch and the light went out. Everything looks to be ok at this point.

Thanks to Jason1 and his kindness for donating the sensor!!!

And thanks to the rest of the DMF for donating your time and energy to help me out 

[Jason1]

Just happy to finally help a fellow member out.  Glad to hear you're up and running again.

[lazylightnin717]

Light is back on again.

Went through the same things I did the first go-round and everything is the same.

I will replace the sensor with a new one.

What the hell is making them go bad?

I rode in the rain... washed the bike pretty well from a big trip to WV... bike got rained on yesterday at work.

The light was off on the way home yesterday and came/stayed on this morning. I yanked the plug on the sensor and there was some water in there. I took an air hose to it and dried it very well, plugged it back in and the light stayed on. Will a little bit of water in the connection destroy the sensor that easily?

Humbug 

[Howie]

Moisture creates a weak ground, causing the light to glow.  Getting all the moisture out is more difficult than you think.  Did you repack with dielectric grease?  Just in case, an oil pressure check with a mechanical gauge might be in order.

[lazylightnin717]

I did not use any grease upon replacement last time.

[cobrajet]

On my 06 S2R I had repeated problems with the light coming on because of moisture in the plug-in. It can take days to get it dried out, I finally resorted to riding with it unplugged, checking every few days to see if it was out. Then I packed it with dielectric grease, that was probably 30,000 miles ago, no issues since and I do ride in the rain too often. bill

[Fiatian]

Hi Guys,

This is the post that attracted me here in the first place, so thought I'd better add to it.

My new acquired 800 S2R got caught out in the rain last week while I was at a work function, when I went to start 'er up she was pretty wet - fired up ok but the oil light wouldn't go out. Quickly switched off, checked the oil level, it was fine, so assuming the oil pump hadn't managed to disconnect itself while parked I guessed it must be the sensor malfunctioning. I've had previous experience with oil pressure switches failing on various cars, nonetheless rode home very gingerly.
Once home, after a thorough chamois down, I disconnected the wire to check the light went out & left her for a few days to dry out properly. Fired up, the light went out as normal so must have got water in the switch/connector & shorted it out. A small piece of duct tape around where the cable enters the connector should solve the problem & avoiding leaving my Monster out in the rain in future! 

Ciao, Ian

[Howie]

The anwer is to pack the connector with dielectric grease.