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High Quality  Parts  from 
CAS4

CARBURETORS by
MIKUNI

 

Street Legal HSR42 Kits

WE ALSO HAVE 48 MM PERFORMANCE CARBS AND KITS - 
GIVE US A CALL

Mikuni  HSR42 and HS45 Smoothbore Carburetor Kits
Improve starting, rideability, power and torque. The adjustable accelerator pump and smoothbore design combine to give a big increase in air flow over the earlier 'HS40' for excellent throttle response in any riding situation. Other features include a two-piece throttle slide that rolls on stainless roller bearings, a lighter throttle return spring, a low-speed air screw, and an enlarged needle valve and float bowl. All kits are specifically designed for each application.

HSR42 Carburetor Easy Kits
High performance kits mount to stock intake manifold and include the carburetor, throttle cables if required and detailed installation and tuning manual. Kits have adapters and air cleaner cover that use the stock air box and filter.

For Twin Cam Models

Part #   OrderDescription   List Price   Your Price
MUHSR4218 Mikuni carburetor HSR42 Kit 1999 to present Twin Cam models.  Includes 42mm carb, air box adapter and  instructions.  Uses your stock manifold, air cleaner and throttle cables.                      (CS041152)(DS#42-18) $399.95 $352.95

For Evolution®Big Twins

Part #   OrderDescription   List Price   Your Price
CC23872 Mikuni carburetor HSR42 Kit For Big Twin models 1996 to present(except fuel injected). Includes breather kit and air filter $558.95 $499.95
CC23855 Mikuni carburetor HSR42 Kit For Big Twin  models with stock air box 1996 to present $428.95 $384.95
CC24128 Mikuni carburetor HSR42 Kit For Big Twin models with 'CV' carbs and stock air box 1990 thru 1995 $399.95 $355.95

For 1200 Sportster® and Buell® Models

Part #   OrderDescription   List Price   Your Price
CC23874 Mikuni carburetor HSR42 Kit For Sportster® models 1996 to present. Includes air filter, backing plate and cover $428.95 $384.95
CC23873 Mikuni carburetor HSR42 Kit For Sportster® models 1994 thru 1995. Includes air filter and cover $428.95 $384.95
CC23875 Mikuni carburetor HSR42 Kit For Sportster® and Buell® S2 models 1994 thru 1995 with Screaming™ Eagle® intake kit. Includes air filter (Buell® models use stock air box) $398.95 $354.95

 

Deluxe HSR42 and HSR45 Total Kits
With a high-performance intake manifold and free-flowing K&N filter assembly, Mikuni's ultimate performance package has more top-end power and crisper throttle response. Includes carburetor, throttle cables ( see part ), manifold, filter assembly, chrome air cleaner cover, hardware and detailed installation and tuning manual.

Part #   OrderDescription   List Price   Your Price
CC23400 Deluxe HSR-42 Mikuni carburetor  1999 to present Twin Cam,  Note: Uses your stock throttle cables.       $589.95 $519.95
CC23445 Deluxe HSR-45 Mikuni carburetor  1999 to present Twin Cam Note: Uses your stock throttle cables.           $639.95 $589.95
CC23401 Deluxe Mikuni carburetor HSR42 kit for Evolution® Big Twins1984 thru 1999 - NOT TWIN CAM $569.95 $499.95
CC23444 Deluxe Mikuni carburetor HSR45 kit (45mm carburetor) for Evolution® Big Twins 1984 thru 1999 - NOT TWIN CAM $639.95 $589.95
CC24120 Deluxe Mikuni carburetor HSR42 kit  for Shovelhead Big Twins 1970 thru 1984 and Sportster" models 1971thru 1985 (includes push-pull throttle), PRRIV-RE-SHV-MK $599.95 $567.95
CC23876 Bare Deluxe Mikuni carburetor HSR45 for flange manifold in custom applications $548.95 $489.95

 

Street Legal HSR42 Kits
High performance that's street legal? You bet. Available with California Air Resources Board (CARB) exemption, these versions are 50-state  legal for pollution controlled motor vehicles. Kits bolt to stock intake manifolds and include an 'HSR42' Mikuni carburetor with throttle cables, airbox adapter, a chrome air cleaner cover specially relieved to fit Original Equipment airboxes, and detailed installation with tuning manual.

Part #   OrderDescription   List Price   Your Price
CC23852 Mikuni carburetor HSR42 Kit For Evolution® Big Twin models with 'CV'(constant velocity) carbs 1990 thru 1994 (E.O.# D-389) $428.95 $384.95
CC23853 Mikuni carburetor HSR42 Kit For 1995 Evolution® Big Twin models (E.O.# D-389) $428.95 $384.95
CC23854 Mikuni carburetor HSR42 Kit For Evolution® Big Twin models 1996 to present (E.O. # D-389) $428.95 $384.95

 

Breather Kit
Required when installing smoothbore carburetors on Sportster® and Big Twin models with crank case breathers that vent through the heads. For Big Twin models from 1993 to present and all  5-speed Sportster® models from 1991 to present.

Part #   OrderDescription   List Price   Your Price
CC23862 Breather Kit For Mikuni 'HSR42' and 'HSR45' carb kits       $31.95 $29.95

Replacement Parts

Part #   OrderDescription   List Price   Your Price
CC23864 Rebuild kit for 'HSR42/45' carbs, (VT359322)(DSKHS016) $31.95 $29.95
CC23860 K&N air filter element $67.95 $58.95
CC23861 Chrome air cleaner cover $44.95 $39.95
CC23859 Choke cable $23.95 $21.95
CC23863 Idle adjusting screw  $12.95 $11.95
CC23857 Rubber adapter. For 2 3/4"-3" center-to-center stud spacing $16.95 $15.95
CC23858 Clamp for CCI #23-857 rubber flange $2.45 $1.95

 

 

Mikuni Polished Carb

MIKUNI POLISHED CARB
Custom bike builders looking for Mikuni performance and show-winning style will find everything they're looking for in these polished versions of the popular Mikuni carburetors. Mid-range jetted for easy bolt-on installation to a wide variety of bikes. Comes without cables or intake adapter to allow specific tailoring to the custom application.

Part #   OrderDescription   List Price   Your Price
CC23871 Polished Mikuni HSR45 carburetor only                           $459.95 $438.95
CC23866 Polished Mikuni HSR42 carburetor only $429.95 $408.95

 

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IMPORTANT:

We at CAS are not a representative of any motorcycle manufacturer and the
parts we sell are not necessarily recommended by any motorcycle manufacturer.

Although our replacement parts are not original factory equipment, our intention
is to provide quality replacement parts that meet or exceed standards set by the
manufacturer.

We are not an authorized Harley® dealer and in no way do we have, or intend to
imply any kind of business relationship with Harley-Davidson Motor Company® .

Our intention is to provide products that can be used on a Harley-Davidson® 
motorcycle.   

CAS sells officially licensed Harley-Davidson®
products. 
However, any products with the trademark, name, word or OEM part number
used in this catalog by CAS is intended to be as a reference only to
the usage of that particular product. None of the parts and accessories in this
catalog were manufactured by or with the permission of the Harley-Davidson®
Motor Co. The words, Electra Glide, Evolution, H-D, Harley, Harley-Davidson, Low
Glide, Road King, Roadster, Softail, Sportster, Sturgis, Super Glide, Low Rider, and
Wide Glide are registered trademarks of Harley-Davidson® Inc., Milwaukee
Wisconsin, U.S.A. The words, Duo Glide, Dyna Glide, Fat Boy, Hydra Glide and
Bad Boy are trademarks of Harley-Davidson®, Inc., Milwaukee, Wisconsin, U.S.A. 
The following model designations for Harley-Davidson® motorcycles are used in 
this catalog for reference only: EL, FL, FLH, FLHR, FLHS, FLHT, FLHTC, FLHTC-I, 
FLHTS, Ultra, FLHX, FLST, FLSTC, FLSTF, FLSTN, FLSTS, FLT, FLTC, FLTC Ultra, 
FXB, FXD, FXDB, FXDC, FXDG, FXDL, FXDS, FXDS-Conv., FXDWG, FXE, FXEF,  
FXLR, FXR, FXRC, FXRD, FXRDG, FXRP, FXRS, FXRSE, FXRS-Conv., FXRS-SP,  
FXRT, FXS, FXSB, FXST, FXSTC, FXSTS,FXSTSB, FXWG, GE, K, KH, WL, WLA, 
XL, XLCH, XLCR, XLH, XLH 883, XLH 1100, XLH 1200, XLR, XLS, XLT, XLX, 
AND XR1000. All other brand names or trademarks, or registered trademarks 
used in this catalog are the property of their respective holders.

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