THIS KIT WILL ALL JUST BOLT RIGHT ON,, EXCEPT YOU MAY/WILL NEED TO SHORTEN THE CABLE AS IT IS LONGER THAN MOST APPLICATIONS REQUIRE.. WE HAVE INCLUDED A SOLDER ON "END" SO YOU CAN DO THIS EASY. (JUST KEEP THE SAME AMOUNT OF INNER CABLE FREE PLAY) YOU WILL GET ONE OF ALL THE PARTS LISTED BELOW ON THIS PAGE INCLUDED WITH THIS KIT @ CRF50 XR50 Z50R AND OTHERS 20MM PERFORMANCE CARB KIT 1/22C 300012/TBQ22KIT/END/AFT209H/3-21 @ 20MM_CARB GREAT_FOR BIG_BORE 50'S_AND_70'S TL125'S W/ BIG MANIFOLDS MANY_OTHER_APP'S (300012)THIS HAS THE 48MM BOLT PATTERN 35MM REAR OD FOR AIR PIPE/FILTER COMES WITH MAIN JET #73 & IDLE JET #34 INSTALLED TAKES A 35MM AIR FILTER THIS CARB USES OUR "SMALL KEIHIN MAIN JETS" THESE HAVE HONDA CT90K2 TO 1977 TYPE IDLE JETS.(ON ORDER) THIS CARB NEEDS OUR 300001.5 MANIFOLD TO WORK ON THE CT70'S YOU CAN THEN USE THE STOCK AIR FILTER OR CLAMP AN AFTERMARKET FILTER ON THE BACK. THIS WILL ALSO BOLT UP TO OUR BIG MANIFOLD (300002) AND THEN WITH A CLAMP ON FILTER FIT ON MOST 50'S AND 70'S IF YOUR PUTTING THIS ON A CT70K0/HK0 K1 K2 OR K3 MODEL,, OUR CABLE 0013 WORKS WITH OUT MODS. (THANKS ENZO) sometimes the inner cable length on the stock cable may be a little bit too long for the aftermarket carbs and not allowing for a complete throttle slide lifting, so you may want to get a solder on cable end so you can shorten it if needed... our number is (END)sold seperatly Dear dratv, the carb fit perfectly on my CL90. i did re-use the main jet as it was identical (except orifice size) but the idle jets were different lenghts so went with the one it came with. thanks - gumpwood59 300012 @ LEFT_TURNOUT 22MM MANIFOLD_KIT GREAT_FOR_SWAPS 300002 (TBQ22KIT) (S1128) 45MM CENTER TO CENTER AT HEAD 48MM CENTER TO CENTER AT CARB TURNS OUT TO THE LEFT SO CARB CLEARS FINS ON CYLINDER S1128 @ 45° CURVED RUBBER INLET AIR FILTER 35MM TAPERED (300021) (S1263)THIS WILL STRETCH OVER A 39MM Z50 PISTON..... * THIS FILTER IS TO BE RUN DRY!!!! AS IT HAS A THICKER FELT FILTER ELEMENT !!! OILING WILL RESTRICT THE AIR FLOW TOOOOO MUCH. CURVED SNORKEL FOR DIFFERENT APPLICATIONS 35MM OPENING. fits OUR 18MM (300011), 20MM (300012), AND ALL STOCK CT70 AND CT90 CARBS THRU 1977. ALSO FITS ALL ATC70 CARBS !!!!!!!!!!!!!!!!!! CURVED SNORKEL FOR DIFFERENT APPLICATIONS 35MM OPENING. fits OUR 18MM (300011), 20MM (300012), AND ALL STOCK CT70 AND CT90 CARBS THRU 1977 300021 (S1263) @ SIDE PULL UNIVERSAL THROTTLE ASSY 7/8" BARS 7/18P (AFT209H) I have found that this is the best universal twist throttle to be used on the two-part handlebars, that have the brake lever perch Welded to the bar. The throttle cable is fairly long so you may have to shorten it. To do so you may need one of the Solder on small brass barrels listed below on this page. AFT209H @ SOLDER_ON_INNER THROTTLE_CABLE 1/20W (END) (359E)FOR SHORTINING INNER CABLE LENGTHS OR SHORTING THE OUTER CABLE TOO END (359E)