ma is milliamps
have you stuck it in the bike and tried it?
you probably dont need to charge it. the chemical reactions between the acid you put in and the lead of the plates makes the battery work. you may need to charge it in a few years when it is worn to kinda re-activate this reaction
'07 Vectra SRi
'11 Honda Hornet
'99 Aprilia RS50
'80 Honda H100A
'82 Puch Maxi S + '70 Puch Maxi N