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Old 12 September 2014, 16:26   #11
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Just as it is, turn it one notch counterclockwise by the photo.
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Old 12 September 2014, 17:00   #12
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Thanks!
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Old 18 September 2014, 15:30   #13
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Yamaha oil warning light

Hi
Tacho wired up and fitted and all seems to be working - thanks for all your advice -much appreciated.

Final question (honest!) - the amber warning on the oil level has always been on - you can see it in the first picture. I've never worried too much as I keep the tank filled up but if it is easily fixed it seems sensible to sort. I'm assuming I need to remove the oil level sensor from the tank.

Any advice on how easy this is and what is likely to be causing the problem?

Thanks again!
Neil
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Old 19 September 2014, 13:40   #14
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If your old one didn't do this it may be a fault with the tacho. You can take the sender out but you will need a manual to know the resistance. Ask the previous owner if it did this on their engine.
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Old 19 September 2014, 15:47   #15
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Thanks - no the old one did it as well so I'm assuming it is a problem with the sensor in the tank. Happy to remove it and have a look if it is relatively easy.
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Old 20 September 2014, 01:58   #16
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morning

having just had similar oil issues on my yam I spent many hrs sorting various and buying new parts not required

for it to turn into a real simple fix, bad ground, see below,


According to the manual the yellow light is triggered by the oil sensor in the remote tank. The red light is triggered by the oil sensor in the engine tank

The sensor switch in the remote tank is normally closed when the float is up (oil in the tank) and provides a ground to the CDI/ECU/Oil module and the ground to the tachometer for the warning light. If and when the float drops the switch opens and removes a ground.

The switch is apparently working and telling the CDI that there is sufficient oil in the remote tank for auto transfer to occur. But, maybe the ground from the switch is not getting to the tachometer, in which case the yellow light will illuminate.

Check the connections in the trim/oil harness at the tachometer. Check the connections to the trim/oil harness in the engine pan.
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Old 20 September 2014, 02:01   #17
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simple test run a wire as below straight to the tacho,, betya it turns it off--------------------------------------------------------------------------------
the green wire with the black tracer is the wire that applies the ground to the gauge to turn off the yellow light.
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Old 20 September 2014, 03:09   #18
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Thanks much appreciated will give it a try.
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Old 20 September 2014, 08:50   #19
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Thanks for all the advice - now sorted. I loosened off the oil tank so I could trace where the wires went and discovered a black wire not attached to anything! I've now attached this to an earth and the indicator on the gauge now shows green.

Managed to not break anything else while doing this which is a result!

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