Ive read in recent days ..here , about problem of 6 volt charging system being marginal on our bikes
suggestions like ..keep charging the battery to avoid it expiring early etc ..
anyway ..
would this thing mounted on your top-box help
ebay item number 320765188391
http://www.ebay.co.uk/itm/2-4W-Solar-Power-Panel-Module-Charger-6-Volt-Battery-6V-/320765188391?pt=UK_Gadgets&hash=item4aaf185927
top box is UK speak for rear carrier mounted grp box.
seams a cheap enough solution to me ..
BTW ....please take me off moderated ..because I'm less inclined to reply to things, if i know that my messages will take 24 hours to appear .
all the best.markj
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
http://www.velodrome.com/HondaC70/HondaC70.html