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Repair guides and support for motorcycles manufactured by Yamaha Motor Company.

Oil light came on , but it's full

My oil light came on , on my 96 Yamaha virago 750. I changed the oil and filter, but it still is on. My pump is still working and I don't have any leaks. Iit doesn't have an oil sensor, it has a switch, which doesn't help me, cause I know nothing about that. Don't how to check that, not sure if you even can. Not sure what else to do.

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@donbrucker per workshop manual your bike should have a Oil Level Sensor Gauge which is of course separate from the oil pressure switch. Here is how to check the oil level switch Oil level switch - removal, check and installation

Removal

1 Drain the engine oil.

2 The oil level switch is mounted in the bottom of the crankcase.

Note how its wiring harness is routed, then unplug the electrical connector.

3 Remove the cover, then-unscrew the switch.

Check

4 Connect an ohmmeter between the terminals of the switch harness. With the switch in its normal installed position, the ohmmeter should indicate infinite resistance.

5 Turn the switch upside down. The ohmmeter should now read zero ohms.

6 If the ohmmeter doesn't give the correct indication in Step 4 or 5 replace the switch.

***It might help us to help you to figure this out by seeing what exactly you have going on there. Post a couple of images of the sensor the close by wiring etc. with your question. that way we can see what you see. https://www.ifixit.com/Guide/Adding+imag...

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Hi, thanks for responding.im hoping this pic is of the sensor on the bottom of oil pan. I'm gonna trying what you just mentioned now

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@donbrucker yes it is for that sensor. Keeping my fingers crossed that it is the cause for this issue. Keep us informed

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I removed the switch. I don't really understand how to test the sensor. The turning it upside down part. It doesn't look bad, but I don't have experience with this so I could be wrong.

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@donbrucker you will need to measure the ohms between the connectors One probe to one contact the other probe to the other contact. Set your multimeter to ohms and see what you get with the tests.

Connect an ohmmeter between the terminals of the switch harness. With the switch in its normal installed position, the ohmmeter should indicate infinite resistance.

5 Turn the switch upside down. The ohmmeter should now read zero ohms.

6 If the ohmmeter doesn't give the correct indication in Step 4 or 5 replace the switch.

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