The forty-four Trx350d Fourtrax 1987 (h) Italy Sul Switch/cable/handle Lever component parts are all listed in this schematic.
Some items from this specific schematic: Bolt,wire Adjust, Holder,throt.case, Arm,rvs.assist, Brkt,brake Lever.
Of all the components used in this assembly the Switch Assy.,ligh is the most expensive.