The "air cut-off valve" slightly throttles the air supply when the carburetor is throttled. This over-enriches the gas/air mixture and prevents it from splashing back into the carburettor.
APPLICATIONS OF THIS PRODUCT: According to the data provided by the manufacturer, this article is compatible with the following brands, models and years: Honda CB 1100 R 100 CV, 74 kw 4cil. SC05 B2 Bastidores: SC05-2000008-SC05-2000969 1981 Honda CB 1100 R 100 CV, 74 kw 4cil. SC08 C2 Bastidores: SC08-2000013-SC08-2001987 1982 Honda CB 1100 R 100 CV, 74 kw 4cil. SC08 D2 Bastidores: SC08-2100716-SC08-2102025 1983 Honda CB 250 ND Euro 17 CV, 13 kw 2cil. CB250N C Bastidores: CB250N-3300001-CB250N-3399999 1982 Honda CB 250 ND Euro 17 CV, 13 kw 2cil. CB250N D Bastidores: CB250N-3300001-CB250N-3399999 1983 Honda CB 250 ND Euro 27 CV, 20 kw 2cil. CB250N C Bastidores: CB250N-2300056-CB250N-2399999 1982 Honda CB 250 ND Euro 27 CV, 20 kw 2cil. CB250N D Bastidores: CB250N-2400001-CB250N-2499999 1983 Honda CB 400 N Euro 27 CV, 20 kw 2cil. CB400N D Bastidores: CB400N-3400001-CB400N-3499999 1983-1985 Honda CB 400 N Euro 43 CV, 32 kw 2cil. CB400N D Bastidores: CB400N-2400001-CB400N-2499999 1983-1985 Honda CB 650 C Custom 50 CV, 37 kw 4cil. RC05 A Bastidores: RC05-3000002-RC05-3002110 1980 Honda CB 650 C Custom 50 CV, 37 kw 4cil. RC05 B Bastidores: RC05-3100002-RC05-3199999 1981 Honda CB 650 C Custom 63 CV, 46 kw 4cil. RC05 A Bastidores: RC05-2007931-RC05-2020488 1980 Honda CB 650 C Custom 63 CV, 46 kw 4cil. RC05 B Bastidores: RC05-2200002-RC05-2299999 1981 Honda CB 750 C Custom 77 CV, 57 kw 4cil. RC06 B Bastidores: RC06-2000013-RC06-2099999 1981-1983 Honda CB 750 F Bol d´Or 79 CV, 58 kw 4cil. RC04 A Bastidores: RC04-2116243-RC04-2125120 1980 Honda CB 750 F Bol d´Or 79 CV, 58 kw 4cil. RC04 B Bastidores: RC04-2200018-RC04-2213525 1981 Honda CB 750 F Bol d´Or 79 CV, 58 kw 4cil. RC04 C Bastidores: RC04-2300008-RC04-2399999 1982 Honda CB 750 F2 Bol d´Or 79 CV, 58 kw 4cil. RC04 C Bastidores: RC04-4000012-RC04-4099999 1982 Honda CB 750 K 77 CV, 57 kw 4cil. RC01 A Bastidores: RC01-2115751-RC01-2118618 1980 Honda CB 750 K 77 CV, 57 kw 4cil. RC01 B Bastidores: RC01-2300006-RC01-2399999 1981-1982 Honda CB 900 F Bol d´Or 95 CV, 70 kw 4cil. SC01 A Bastidores: SC01-2100002-SC01-2112185 1980 Honda CB 900 F Bol d´Or 95 CV, 70 kw 4cil. SC01 B Bastidores: SC01-2200038-SC01-2209987 1981 Honda CB 900 F Bol d´Or 95 CV, 70 kw 4cil. SC01 Z Bastidores: SC01-2000050-SC01-2015357 1979 Honda CB 900 F Bol d´Or 95 CV, 70 kw 4cil. SC09 C Bastidores: SC09-2000019-SC09-2099999 1982 Honda CB 900 F Bol d´Or 95 CV, 70 kw 4cil. SC09 D Bastidores: SC09-2100001-SC09-2199999 1983 Honda CB 900 F2 Bol d´Or 95 CV, 70 kw 4cil. SC01 B Bastidores: SC01-4000012-SC01-4010949 1981 Honda CB 900 F2 Bol d´Or 95 CV, 70 kw 4cil. SC09 C Bastidores: SC09-4000025-SC09-4099999 1982 Honda CB 900 F2 Bol d´Or 95 CV, 70 kw 4cil. SC09 D Bastidores: SC09-4100001-SC09-4199999 1983 Honda CL 250 S Scrambler 17 CV, 13 kw 1cil. MD04 C Bastidores: MD04-3000001-MD04-3099999 1982-1983 Honda CL 250 S Scrambler 20 CV, 15 kw 1cil. MD04 C Bastidores: MD04-2000007-MD04-2099999 1982-1983 Honda CM 400 T 27 CV, 20 kw 2cil. NC01 B Bastidores: NC01-3100002-NC01-3106001 1981 Honda CM 400 T 43 CV, 32 kw 2cil. NC01 B Bastidores: NC01-2200466-NC01-2203476 1981 Honda CM 400 T Custom 27 CV, 20 kw 2cil. NC01 C Bastidores: NC01-3200004-NC01-3203044 1982-1983 Honda CM 400 T Custom 43 CV, 32 kw 2cil. NC01 C Bastidores: NC01-2300004-NC01-2301420 1982-1983 Honda CX 500 C 27 CV, 20 kw 2cil. PC01 A Bastidores: PC01-3000003-PC01-3099999 1980 Honda CX 500 C 27 CV, 20 kw 2cil. PC01 B Bastidores: PC01-3100001-PC01-3199999 1981 Honda CX 500 C 50 CV, 37 kw 2cil. PC01 A Bastidores: PC01-2116843-PC01-2199999 1980 Honda CX 500 C 50 CV, 37 kw 2cil. PC01 B Bastidores: PC01-2200001-PC01-2299999 1981 Honda CX 500 C Custom 27 CV, 20 kw 2cil. PC01 C Bastidores: PC01-3200001-PC01-3299999 1982-1984 Honda CX 500 C Custom 50 CV, 37 kw 2cil. PC01 C Bastidores: PC01-2300001-PC01-2399999 1982-1984 Honda CX 500 E Euro Sports 27 CV, 20 kw 2cil. PC06 C Bastidores: PC06-3000004-PC06-3099999 1982-1986 Honda CX 500 E Euro Sports 50 CV, 37 kw 2cil. PC06 C Bastidores: PC06-2000610-PC06-2099999 1982-1986 Honda GL 1100 D Goldwing carenado 83 CV, 61 kw 4cil. SC02 A Bastidores: SC02-4021107-SC02-4021630 1980 Honda GL 1100 D Goldwing carenado 83 CV, 61 kw 4cil. SC02 B Bastidores: SC02-4100001-SC02-4199999 1981 Honda GL 1100 D Goldwing carenado 83 CV, 61 kw 4cil. SC02 C Bastidores: SC02-4200001-SC02-4299999 1982-1983 Honda GL 1100 Goldwing 83 CV, 61 kw 4cil. SC02 A Bastidores: SC02-2000050-SC02-2021831 1980 Honda GL 1100 Goldwing 83 CV, 61 kw 4cil. SC02 B Bastidores: SC02-2100001-SC02-2199999 1981 Honda GL 1100 Goldwing 83 CV, 61 kw 4cil. SC02 C Bastidores: SC02-2200001-SC02-2299999 1982-1983 Honda GL 500 D Silverwing 27 CV, 20 kw 2cil. PC02 C Bastidores: PC02-3000001-PC02-3099999 1982-1983 Honda GL 500 D Silverwing 50 CV, 37 kw 2cil. PC02 C Bastidores: PC02-4000003-PC02-4099999 1982-1983 Honda XL 250 S 17 CV, 13 kw 1cil. L250S B Bastidores: L250S-5300086-L250S-5307305 1981-1982 Honda XL 250 S 20 CV, 15 kw 1cil. L250S Bastidores: L250S-5005871-L250S-5025188 1978-1979 Honda XL 250 S 20 CV, 15 kw 1cil. L250S A Bastidores: L250S-6000001-L250S-6000992 1980 Honda XL 500 S 27 CV, 20 kw 1cil. PD01 A Bastidores: PD01-3100003-PD01-3102202 1980 Honda XL 500 S 27 CV, 20 kw 1cil. PD01 B Bastidores: PD01-3200004-PD01-3205349 1981-1982 Honda XL 500 S 27 CV, 20 kw 1cil. PD01 Z Bastidores: PD01-3000006-PD01-3003911 1979 Honda XL 500 S 34 CV, 25 kw 1cil. PD01 A Bastidores: PD01-5100001-PD01-5199999 1980 Honda XL 500 S 34 CV, 25 kw 1cil. PD01 Z Bastidores: PD01-5000001-PD01-5099999 1979 Honda XL 500 S 36,5 CV, 27 kw 1cil. PD01 B Bastidores: PD01-5200004-PD01-5299999 1981-1982 Honda XR 250 R 1cil. ME01 D Bastidores: ME01-5400001-ME01-5400700 1983 Honda XR 250 R 1cil. ME010 B Bastidores: JH2 ME010-BM200063-JH2 ME010-BM203261 1981 Honda XR 250 R 1cil. ME010 C Bastidores: JH2 ME010-CM302523-JH2 ME010-CM305312 1982 Honda XR 500 36,5 CV, 27 kw 1cil. PE01 A Bastidores: PE01-5100001-- 1980 Honda XR 500 36,5 CV, 27 kw 1cil. PE01 Z Bastidores: PE01-5000026-PE01-5009408 1979 Honda XR 500 R Pro Link 36,5 CV, 27 kw 1cil. PE01 C Bastidores: PE01-5300001-- 1982 Honda XR 500 R Pro Link 36,5 CV, 27 kw 1cil. PE010 B Bastidores: JH2 PE010-BM200151-JH2 PE010-BM205785 1981 Honda XR 500 R Pro Link 36,5 CV, 27 kw 1cil. PE03 D Bastidores: PE03-5000004-- 1983