THIS CARB KIT WILL WORK ON 78 THRU 81 CARBS. IT IS MADE IN JAPAN. 15A @ SOME_MODELS_FROM 1978_TO_1981 HAD_PRESSED_IN IDLE_JETS_= READ_THISTHE IDLE JET IS PRESSED IN FROM THE FACTORY AND CAN'T BE REPLACED. (I USUALLY PULL IT OUT AND CLEAN IT, THEN I TAP IT BACK IN....) ON 1978 TO 1983 MODELS WITH PRESS IN IDLE JETS: 1. PULL THE OLD JET OUT WITH TWISTING MOTION USING PLYERS 2. CLEAN IT WELL. 3. IF PLUGGED AND CAN'T BLOW THRU IDLE JET ?? (I USE A STRAND OF STAINLESS STEEL FROM AN OLD THROTTLE CABLE, JUST DON'T MAKE THE HOLE BIGGER IF YOU CAN HELP IT.) @ 18MM ROUND FUEL FILTER SCREEN ATC70_ATC110 C70_CT110 OTHERS (SOLD_EACH) (275M)FITS: ATC70 1978 TO 1985 ATC110 1979 TO 1983 C70 PASSPORT 1980 AND 1981 ONLY CT110 1980 AND 1981 ONLY 275M