THIS IS A LOCK FOR THE SPARE GAS TANK IT ALSO IS A HELMET HOLDER/LOCK IT COMES WITH TWO KEYS. IT IS FOR A CT110 BUT I'M SURE IT WILL WORK ON THE 90'S TO. this mounts with 2 of a 6 X 10mm pan head screw and 2 6mm lock washers also on the bottom of this page. 19H @ 6MM X 10MM PAN HEAD SCREW (SOLD_EACH) (CT70K0/HK0_CHAIN_GUARD) 337800 @ _ *OEM_HONDA 6MM_LOCK_WASHER 1/20M (B91Z) B91Z