IT HOLDS THE CDI UNIT, FUSE HOLDER, REGULATOR AND MUCH MORE AND BEST OF ALL ?? YES THE SIDE COVER FITS ON 100% CORRECTLY THIS IS A OEM HONDA BATTERY BOX AND IS DESIGNED TO HOLD A 12V YTX4L-BS TYPE BATTERY LIKE A GLOVE !! WORKS JUST GREAT ON ALL CT90'S CT110'S PASSPORTS AND I WOULD SURE THINK ALL C70'S CM91'S MOST ANY MODEL THAT HAS THE STEP THRU FRAME... these battery #s fit perfect in this battery box (YTX4L-BS) 44015, 2077610, 4L-BS, 740-1865, CT4L-BS, CTX4L-BS, ES4LBS, GT4L-BS, GTX4L-BS, M62X4B, PTX4L-BS, YTX4L-BS (4L-BS) 4L-BS S1098 @ *BOTTOM BATTERY CUSHION 10/10M (306X) 306X