Chapter 06 Chapter 06 - Zodiac

CarburetorsMIKUNI HSR45 SMOOTHBORE CARBURETOR KITMikuni re-designed the popular HSR42 Performance carburetor andupgraded it with a 45 mm venturi to accommodate for large cubic andHigh Performance Big-Twin engines. The HSR45 carburetor has thesame proven quality features as the HSR42 with only a larger venturifor a bigger airflow, which is needed for highly modified engines. It isabsolutely the best carburetor available today if you don't want tohave any restrictions in your incoming airflow for a maximum air-fuelmixture. Kit comes with carburetor, jet kit, K&N air filter, and Chromedair cleaner cover. Works with stock style throttle cables as used on1996 to present models.Available for 1984 thru 1999 Evolution Big-Twins with or without manifold and 1999 to present Twin-Cam modelscomplete with manifold. For Custom applications the carburetor is alsoavailable separately.Note: 1993 to present models need ZPN 232234 crankcase breatherkit. 1984 thru 1989 models also need 1990 thru 1995 stock Big-Twinstyle throttle and idle cables.Total Kits for Evolution Big-Twin models 1984-1999237963 Kit without manifold237964 Kit with manifoldTotal Kit for Twin-Cam models 1999 to present720543 Kit with manifoldCarburetor for Custom applications234863 45 mm Carburetor onlyReplacement parts236047 Manifold for Evolution models236049 Manifold for Twin Cam models237959 Rubber carburetor-to-manifold mounting flange for earlystyle manifold with round opening236048 Rubber carburetor to manifold mounting flange237960 Air filter element232600 Chrome air cleaner cover232601 Chrome air cleaner cover with cutouts237961 Choke cable assembly232216 Pilot jet # 20232217 Pilot jet # 22.5232248 Pilot jet # 25237955 Pilot jet # 70237956 Main jet # 135232256 Main jet # 147.5232257 Main jet # 152.5232258 Main jet # 157.5232259 Main jet # 170232214 Main jet # 180232215 Main jet # 185237954 Needle J88DDY196232227 Needle J88CF0296234861 Rebuild kit, includes needle valve assembly, top covergasket, spigot body seal, float bowl seal, rubber boot foraccelerator rod, and O-rings741712 Fuel screw washer741713 Fuel screw O-ringEarly style throttle cables (pull)114557 Black cable, stock length thru 1995114561 Black cable, + 4" thru 1995114559 Black cable, + 6" thru 1995722894 Braided steel, clear coated, stock length, thru 1995233976 Braided cable, + 6" thru 1995232264 Black cable, stock length 1996 to present232262 Black cable, +9" 1996 to present232006 Black cable, Buell 1997 to present722893 Braided steel, clear coated, stock length, 1996 topresent232186 Braided cable, + 6" 1996 to presentEarly style idle cables (push)114558 Black cable, stock length thru 1995114562 Black cable, + 4" thru 1995114560 Black cable, + 6" thru 1995722896 Braided steel, clear coated, stock length, thru 1995233978 Braided cable, + 6" thru 1995232265 Black cable, stock length 1996 to present232263 Black cable (push), +9" 1996 to present232007 Black vinyl, Buell 1997 to present722895 Braided steel, clear coated, stock length, 1996 topresent232203 Braided cable, + 6" 1996 to presentThrottle and idle cables for use with Mikuni HSR42, and HSR45carburetors Early style HSR42 and HSR45 carburetors have the cablewheel on the left side of the carburetor and use cables as in the tablebelow. Late style HSR42 and HSR45 carburetors have the cable wheelon the right side of the carburetor and use 1990 or later OEM stylecables as used on Big-Twin models. Most cables are available in blackvinyl or braided steel.06Carburetors & Air Cleaners06-005