08 650 no spark - MudInMyBlood Forums
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post #1 of 3 Old 01-05-2020, 07:57 PM Thread Starter
Macperform's Avatar
Join Date: Jan 2020
Location: Gilberts, Il
Posts: 2
08 650 no spark

I am working on an 08 brute force 650. I have no spark on either cylinder. Using the factory service manual I have found a couple of things:

Primary coil windings read .4 instead of .09-.13 and secondary is 10k instead of 3.8-5.8k
Crankshaft sensor reads 113 instead of 423-517

I find it hard to believe that all three of these went bad at the same time and am leaning towards the sensor. The rollover sensor is good (.74)

I do not have the tester to do the peak coil voltage test as described in the manual

What are your thoughts?

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post #2 of 3 Old 01-06-2020, 08:55 AM
NMKawierider's Avatar
Join Date: Apr 2009
Location: NM
Posts: 7,306
Not uncommon for the pulse coil...or CPS to go out on these so I would replace it first. While there make sure the key hasn't sheared on the flywheel.

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post #3 of 3 Old 01-07-2020, 06:09 PM
Gettin Muddy
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Join Date: Jan 2009
Location: Marlinton, WV
Posts: 176
I had a similar issue once before and it was my CDI box had went bad.

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