screwed with my electrical system a lot, my headlight is still kind of a
joke and my blinkers flash on the first day of a fresh charging. The
electrical systems on these bikes seem to be the weakest link in these
machines that are so genius in their simplicity. I also have a 305
superhawk that sucks too much juice without replacing it.
On Fri, May 20, 2011 at 10:17 AM, Herman <h3ch4@sbcglobal.net> wrote:
>
>
> The C70 charging system seems to charge the NIMH pack just fine. At high
> revs, the voltage at the battery terminals reads about 8.9V. At idle, the
> voltage is somewhere around 7.5V. For comparison, I think the fully charged
> voltage of a 6V lead acid is around 7.1V.
>
> HC
>
>
> --- In Honda-C70@yahoogroups.com, myron andrews <mvandrews13@...> wrote:
> >
> >
> > Herman : Does the bike charge the battery or do you plug it in like many
> of us do with a battery tender any way? I consider the electric starter to
> be dead weight for the last 6 years or so . The starter worked 3 times in
> 2010 on mine. Baby Huey
> >
> >
> >
> > To: Honda-C70@yahoogroups.com
> > From: h3ch4@...
>
> > Date: Fri, 20 May 2011 03:28:35 +0000
> > Subject: [Honda-C70] A Better Battery
> >
> >
> >
> >
> >
> >
> > I've found that a 7.2 volt NIMH battery pack, like the ones used in RC
> cars will replace the lead acid battery just fine.
> >
> > I've been running on one for two months now, and nothing has burned out
> yet, even after 10-mile WOT excursions through the countryside.
> >
> > In addition, the headlight is brighter, turn signals actually become
> visible in daylight, and the horn no longer sounds like a dying animal!
> >
> > The whole pack is a lot lighter than the lead acid, and no more risk of
> acid spills or of burning out bulbs when the battery dies.
> >
> > To test what happens when the NIMH pack eventually dies, I ran the C70
> with a completely discharged NIMH pack and all the bulbs survived, though
> they were nearly too dim to see. This is unlike the consequences of a dead
> lead-acid battery, which would blow out all the bulbs.
> >
> > The only thing that doesn't work is the electric starter motor. But that
> barely worked with a lead-acid battery anyway. :P
> >
> > In conclusion, if you're in need of a new battery and possess simple
> wiring skills (needed to wire the NIMH pack into the electrical system), you
> should consider heading to the local hobby shop, rather than the auto shop,
> to pick up a 7.2V NIMH battery pack to replace the OEM lead-acid battery
> used in the C70.
> >
> > HC
> >
> >
> >
> >
> >
> > [Non-text portions of this message have been removed]
> >
>
>
>
[Non-text portions of this message have been removed]
------------------------------------
C70 Passport Not Running Right?
1970-73 C70 Honda Service Manual: http://tinyurl.com/6ebwtw
1970-73 C70 Troubleshooting Guide:
http://tinyurl.com/6ebwtw (scroll to sec.7.1 page 101.jpg)
1980-83 C70 Honda Service Manual: http://tinyurl.com/hu42c
1980-81 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec.18-1 page 170.jpg)
1982-83 C70 Troubleshooting Guide:
http://tinyurl.com/hu42c (scroll to sec. 20-28 page 205.jpg)
1980-81 C70 Maintenance Schedule: http://tinyurl.com/z4zn6
1982-83 C70 Maintenance Schedule: http://tinyurl.com/hw35c
More resources for C70 Passports and Cubs:
http://www.shlaes.com/Vehicles/Scooter.htm
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