Oil light on

[lazylightnin717]

Ive conducted a search and didn't find anything directly related to my situation.

I had my bike apart all winter and assembled it. It ran well but had a leak at the base gasket on the rear cylinder. Tore it all apart again and replaced the base/head gaskets. Fired the bike up again last night and the oil light won't go off. I checked everything again and found nothing that threw up a red flag.

Having had the rear cylinder off, what could I have done to cause this? Obviously I had the oil pressure sensor out to get the belt covers off but that is back in its spot. What else could be causing the problem?

Bike is an 02 MS4

[zooom]

Ive conducted a search and didn't find anything directly related to my situation.

I had my bike apart all winter and assembled it. It ran well but had a leak at the base gasket on the rear cylinder. Tore it all apart again and replaced the base/head gaskets. Fired the bike up again last night and the oil light won't go off. I checked everything again and found nothing that threw up a red flag.

Having had the rear cylinder off, what could I have done to cause this? Obviously I had the oil pressure sensor out to get the belt covers off but that is back in its spot. What else could be causing the problem?

Bike is an 02 MS4

checked the wire to the sensor to make sure there are no kinks or anything?

[Slide Panda]

Yeah, I'd be checking the connection. The light comes on in the absence of acceptable signal from the sensor. So too little pressure will trip it the same as the wire not being connected to the sensor at all.

You can hook up a pressure gauge to that port to verify your pressures. I had a leak by the clutch slave  - and it'd manifest as a flickering oil light, when the bike was hot and at idle.

If you light is always on, at full brightness even when the bike is cold (thickest oil) I'd be looking at the electrics. Be sure to check inside the sensor for a bent pin. If you got frustrated and a little rammy, it's not hard to bend the connection in the sensor

[Niclas]

It could also be the sensor that's not working. It happened to a friends monster 600. Just replaced the sensor, and everything worked perfect after that.

[Slide Panda]

The sensors aren't known to fail like that - spring leaks sure, but stop sending a signal, not so much. Not saying it isn't possible, but down on the list after more simple possibilities

[Niclas]

The sensors aren't known to fail like that - spring leaks sure, but stop sending a signal, not so much. Not saying it isn't possible, but down on the list after more simple possibilities

Make sense to check some other things first, without replacing parts.

[lazylightnin717]

I am going to disconnect the coils, remove the oil pressure switch an crank the engine to see if i get any oil. If that doesn't work, I will have to look at the sensor.

Sound like a sensible plan eh?

[Speeddog]

Engine has oil?

Oil pickup screen is tight?

With key on, after needle sweep and engine not running, unplugging the pressure sensor should turn the light off.

[lazylightnin717]

Engine has oil?

Oil pickup screen is tight?

With key on, after needle sweep and engine not running, unplugging the pressure sensor should turn the light off.

Oil in there and the screen is tight. The light goes out when I yank the plug

[lazylightnin717]

Coils unplugged and switch out pumped oil all over my garage floor

[ducpainter]

Coils unplugged and switch out pumped oil all over my garage floor

I'd clean up the oil and replace the sender.

[bigiain]

When that happened to me, it was 'cause I'd make the beast with two backsed up and left the oring that connects the oil gallery on the sidecover that leads to the pressure sender out.

big

[lazylightnin717]

Not sure what o-ring you are referring to. I don't recall having dealt with any o-rings other than the intake bells.

If I am going to replace the switch, I suppose I should look into getting it paired with the male plug?

Man I hate anything with wiring. I am so electronically dumb it ain't even funny.

WTB thread over here if anybody has any leads: http://www.ducatimonsterforum.org/index.php?topic=57665.0

[Speeddog]

Easiest way is to go OEM;

53940302A  Switch  ~$44

[bigiain]

Not sure what o-ring you are referring to. I don't recall having dealt with any o-rings other than the intake bells

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