Gilera runner battery doesnt charge.

Basically ive been fixin the bike for the last week and now its done the battery holds some of the charge then it just doesnt charge back up again is it the battery or what help me please.

 

Re: Gilera runner battery doesn't charge.

i got the same problem
its been puzzling me for weeks cratch:
the battery only charges abit the electric start only works if i ride over a mile and if i do use the electric start once the battery goes flat AGAIN :banghead: i need help with this aswell
or should i just buy a new battery cratch:

 

Re: Gilera runner battery doesn't charge.

cheers