Our son owns a fully stock 1988 Honda Hawk GT 650, that needs a full rear shock and a new full front break master cylinder. The factory rear shock on the bike has failed and needs to be replaced. The master cylinder is leaking from the view port and is the original part(s). We are mechanically inept and our local Honda dealer was unable or unwilling to help find the parts which are no longer OEM available. They will happily install anything we bring to them. We have located A place in Canada that makes universal parts for older bikes, but we have to know specifics that we donĀ“t to get the right items, i.e. Shocks range from 290mm to 406mm and master cylinders 13mm to 16mm. Help please!