THESE ARE 7MM LONG BY 5MM DIAMETER SOLD EACH PICK JET SIZE FROM DROP DOWN BOX ____________________________________ THESE JETS WORK WITH STOCK CARBS FROM (PASSPORTS - 1980 = #90) (PASSPORTS - 1981 = #88) (PASSPORTS - 1982 AND 83 = #75) (ALL 1969 THRU 1982 CT70'S) (ALL XR70 CRF70) (ALL TRX90'S) stock main #80 w/ele-start #82 (ALL ATC70'S) (ALL TRX70'S) THEY HAVE A #62 STOCK MAIN JET (ALL 78 THRU 79 CT90'S) (ALL CT110's) stock main #72 idle #38 (all atc110's) (CT90K0 THIS IS K0 ONLY!!) (ALL_CM91) (Z50A_HARDTAILS K0_TO_K2) [AND OUR CARB'S PART #'s 300011 300012 300051(79L/#66)AND ATC/CT/22MM] AND 19MMCT70 19MMCT90 19MMKEI*HIN -------------------------------------------------------- THE STOCK SIZE MAIN JET FOR THE Z50 HARDTAILS IS 50 JET, MAIN (#50) THE STOCK MAIN JET FOR THE 1970 CT70K0 AUTO IS (#62) THE STOCK MAIN JET FOR THE CT70HKO IS #60 THE STOCK MAIN JET FOR THE CT70HK1 IS #58 THE STOCK MAIN JET FOR THE CT70K1 TO 1977 IS # 58 THE STOCK MAIN JET FOR THE CT90K0 AND CM91'S WERE #72 STOCK SIZE MAIN JET FOR THE 1978 AND 1979 CT90 WAS #60 THE STOCK MAIN JET FOR A 1978/79 CT70 JET, MAIN (#55) 99101-116-0550 THE STOCK MAIN JET FOR XR70/CRF70 IS #62 THE STOCK MAIN JET FOR THE 1978 & 79 CT90 was #65 KEI-JETSIZE: #58_J4128#60_J4129#62_J4130#64_J4131#65_J4148#66_J4132#68_J4133#70_J4134#78_J4138#72_J4150#74_J4135#75_J4136#76_J4137#80_J4139#82_J4140#85_J4141#88_J4142#90_J4143#92_J4149#95_J4144#96_J4145#98_J4146#100_J4147 @ *MAIN JET #52 7/21M (292S)MAIN JET SIZE #52 292S @ *MAIN JET # 55 99101-116-0550 7/21M (292Q)MAIN JET #55 292Q @ MAIN JET STD. 58 CT70K1/77_AUTO'S Most_ATC70's REPLACES 99114-076-0580 1/21M (B21AJ) THIS IS THE STANDARD MAIN JET FOR THE CARB ON A CT70K1 THRU 1977 THIS WILL ALSO WORK ON THE Z50A HARDTAILS K0 THRU K2 B21AJ 58JET @ *HONDA MAIN JET #62 99114-076-0620 99101-GFG-0620 1/20A (R2126) R2126 @ *#68 SMALL KEHIN JET OEM 99102-GHB-0680 99101-116-0680 1/22M (273S) 273S