![]() ![]() exempt, are not legal for motor vehicles operated on public highways in the state of California or in other states and countries where similar anti-pollution laws may apply. The other kit, without the backing plate, works on Buells and Sportsters with an aftermarket performance air filter assembly.Ĭarburetor kits not designated as C.A.R.B. One kit, just for Sportsters includes a special airbox backing plate as shown to work with the stock oval cover and a Screamin’ Eagle high flow replacement filter. Sportster / Buell Kits Mikuni offers two different HSR42 Kits for Sportsters and Buells. (Manifold clamps, seals are not included in the kit). Our high flow filter supports 100 horsepower with no loss from filter restriction. Total Kits allow fitment of a HSR42 or 45mm carburetor to any Big Twin Evolution or Twin Cam model. Go for high flow! The complete Total Kit includes a special manifold, rubber flange and high flow air filter. Intended for use by experienced builders. An extended main jet and larger needle valve assembly assure maximum fuel flow to very powerful engines. The new HSR48 delivers the highest airflow with accurate fuel metering for more power and precise throttle control. Legal Kits available for EVO Big Twin applications.Ī real racing carburetor for monster motors. Our special adapter retains your stock airbox or use the Screamin’ Eagle performance air filter kit. Keep your stock look with our uniquely designed Easy Kit which uses your stock manifold and cables. Each HSR carburetor in the kit comes pre-jetted and ready to run! HSR Kits 42/45/48 Smoothbore Kits Every Mikuni Carburetor Kit is an easy bolt-on application. Maximum horsepower is increased from 57.8 to 72.2 hp, and maximum torque from 71.4 to 80.7 ft/lbs. Available in 42, 45, and 48mm throttle bores for use with stock, mild, and highly modified engines.īolt On a 25% Power and Torque Increase! Mikuni’s Easy Kit dramatically improves the performance of Harley-Davidson’s Twin Cam engine and delivers unmatched throttle response and acceleration! Used with a Screamin’ Eagle Air Filter and an aftermarket exhaust system like the optional Screamin’ Eagle Mufflers, the HSR42 Easy Kit adds 25% more horsepower to the output of Harley’s Twin Cam motor. Mikuni’s smoothbore, flatslide throttle with roller bearings, and accelerator pump technology delivers peak performance from idle to Wide Open Throttle. Keep a Harley’s stock factory look and fit with better throttle response, improved acceleration, increased power and torque. Mikuni’s Twin Cam, Big Twin and Sportster / Buell Easy Kits even use Harley’s existing manifold, choke cable and air filter. HSR Series Carbs 42/45/48 Smoothbore Carburetors Going fast has never been so easy! The number one performance carburetor for Harley-Davidsons and American Big Twins now slips onto any late model Harley-Davidson using the original throttle cables. ![]()
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May 2023
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