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Thread: Can't start my bike, strange clicking noise...

  1. #11
    Senior Member Can't start my bike, strange clicking noise...
    Can't start my bike, strange clicking noise...
    DirtFlier's Avatar
    Bike: 2013 NC700x/w DCT
    Join Date
    Dec 2014
    Location
    Troy, Ohio
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    902
    [...the maximum voltage stated in the service manual (15.5V for the NC700)...]


    If it ever got to 15.5V, something is amiss with the Reg/Rec because voltage that high will probably "cook" the battery! I have a digital voltmeter mounted on my bike and when riding, it reads 14.3-14.4V, with no other electrical drains except my GPS which only takes a microscopic amount of current. If I'm using my electric vest, it will drop 0.2 to 0.5 volts depending on the heat setting.
    Last edited by DirtFlier; 14th January 2018 at 04:33.

  2. #12
    Senior Member ste7ios's Avatar
    Bike: NC700XD (2012)
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    Jan 2014
    Location
    Athens, Greece
    Posts
    407
    I know, it’s extreme but this the reference value that Honda give us in the service manual and it’s not a typo... I doubt that we will ever see that. Probably under extreme conditions like high heat...

    Anything more than 14.6 V is not suggested for an AGM battery. 14.4 V is the sweet spot to keep sulfation low, and have more accurate OCV readings, but it has the disadvantages of more grid corrosion and can cause gassing.

    I forgot one important thing about the charging system test: engine’s RPM. Must be around 5,000 where is the maximum output of the generator. Though 2,500 - 3,00 and up will be ok.

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