CB400 VTEC not starting

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rc211v
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CB400 VTEC not starting

Post by rc211v » Thu Dec 24, 2009 2:04 am

Hi guys,

I have a CB400 SFY HyperVTEC. I bought a new CDI for it but still doesn't startup. However if I try using a CDI from a non-VTEC cb400, it starts and runs fine, sans the VTEC engaging.

What could be the problem here?
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meno
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Re: CB400 VTEC not starting

Post by meno » Thu Dec 24, 2009 2:37 pm

mo experience of vtec engines at all but am guessing thered be a camshaft sensor communicating with cdi/ecu, maybe its not speaking to it properly and starts ok on standard cdi as that feature doesnt exist?
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