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Author Topic: CB360 w/slow crank after rebiild  (Read 829 times)

Offline stu.belshe

  • Posts: 127
Re: CB360 w/slow crank after rebiild
« Reply #10 on: Aug 14, 2018, 16:06:49 »
Appreciate the help, I'll update after some testing.
'72 CB350
'74 CB360

View my builds and bikes on Instagram @ instagram.com/standardvmoto/

Offline advCo

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Re: CB360 w/slow crank after rebiild
« Reply #11 on: Aug 14, 2018, 16:12:07 »
Sounds pretty unlikely that you'd have two bad starters showing the exact same symptoms. I would definitely look at the wiring.

Offline stu.belshe

  • Posts: 127
Re: CB360 w/slow crank after rebiild
« Reply #12 on: Aug 14, 2018, 16:13:46 »
I agree, and given that almost the ONLY wiring on the bike that can go pseudo wrong, it has to be ground. if any of the other connections (of which there are few) I would get no response at all.
'72 CB350
'74 CB360

View my builds and bikes on Instagram @ instagram.com/standardvmoto/

Offline irk miller

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Re: CB360 w/slow crank after rebiild
« Reply #13 on: Aug 14, 2018, 17:54:12 »
How much does the voltage drop when you're cranking?

Offline stu.belshe

  • Posts: 127
Re: CB360 w/slow crank after rebiild
« Reply #14 on: Aug 14, 2018, 20:40:22 »
Thanks, Ill check that as well when I get a chance. Would that be an indicator of any other issue besides the battery?
'72 CB350
'74 CB360

View my builds and bikes on Instagram @ instagram.com/standardvmoto/

Offline MiniatureNinja

  • Posts: 513
Re: CB360 w/slow crank after rebiild
« Reply #15 on: Aug 14, 2018, 20:54:58 »
Starters spin ok off the bike? I had a starter with a shim in the wrong spot that wouldn't spin for shit.
'75 Honda CB360 - thread

Offline stu.belshe

  • Posts: 127
Re: CB360 w/slow crank after rebiild
« Reply #16 on: Aug 14, 2018, 21:02:19 »
It seemed to, seemed to have plenty of juice. It seems like its spinning ok, just slowly. Like its pulling something heavier than its supposed to.
'72 CB350
'74 CB360

View my builds and bikes on Instagram @ instagram.com/standardvmoto/

Offline irk miller

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Re: CB360 w/slow crank after rebiild
« Reply #17 on: Aug 14, 2018, 22:28:00 »
Thanks, Ill check that as well when I get a chance. Would that be an indicator of any other issue besides the battery?

Voltage drop will indicate an issue with either your battery or the circuit.  If your battery checks out at 12.6v and you know it has proper cca, but you get more than .5v voltage drop during starting, then you most likely have an issue in your wiring.

Offline MiniatureNinja

  • Posts: 513
Re: CB360 w/slow crank after rebiild
« Reply #18 on: Aug 14, 2018, 22:42:19 »
Voltage drop will indicate an issue with either your battery or the circuit.  If your battery checks out at 12.6v and you know it has proper cca, but you get more than .5v voltage drop during starting, then you most likely have an issue in your wiring.

also could be a bad battery - voltage or not - batteries sometimes lose their "umpfh" (amps) which would be evident if voltage drops too far
'75 Honda CB360 - thread

Offline irk miller

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Re: CB360 w/slow crank after rebiild
« Reply #19 on: Aug 14, 2018, 22:55:23 »
also could be a bad battery - voltage or not - batteries sometimes lose their "umpfh" (amps) which would be evident if voltage drops too far
That's why I said if the battery checks out.  He also said in the beginning of the thread that it's a new car battery.