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Offline Peterson Pires

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Coil resistance!
« on: May 04, 2021, 03:47:38 PM »
Hello guys, could someone help me?
I would like to know if the values ​​below resistance are within the acceptable limit for the ignition coils.

Primary resistance:
Coil 1: 6.9 ohm
Coil 2: 6.9 ohm
Coil 3: 6.6 ohm

Secondary resistance:
Coil 1: 9.68k ohm
Coil 2: 9.66k ohm
Coil 3: 9.72k ohm

Tiger 800XCx - 2015

Thanks in advance.

Online T800XC

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Re: Coil resistance!
« Reply #1 on: May 04, 2021, 03:56:12 PM »
Only one value listed for ignition coil resistance in the service manual - 1.5Ω~1.6Ω.

How & where are you measuring yours?
  
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Offline Peterson Pires

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Re: Coil resistance!
« Reply #2 on: May 04, 2021, 04:12:37 PM »
To test the coil secondary resistance, remove the rubber end piece and connect the meter as shown.
https://photos-cdn.tiger800.co.uk/Screen-Shot-2021-05-04-at-11.59.02.png

Offline awjdthumper

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Re: Coil resistance!
« Reply #3 on: May 04, 2021, 04:25:36 PM »
The Haynes manual gives 11k Ohms for the secondary winding they tested and the ones in this thread are certainly in the right ball park. I would check the meter is reading correctly because, as said, the primary should be giving ~1.5 Ohms. The fact that all three coils give similar readings would normally indicate everything is ok since a fault would be expected to show up in only one coil?
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Offline Peterson Pires

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Re: Coil resistance!
« Reply #4 on: May 04, 2021, 06:15:01 PM »
Thank you very much guys, i will do a double check with another multimeter.

 


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