Mikuni
Mikuni is a leading manufacturer of motorcycle carburetors, delivering high-performance fuel management solutions for a variety of bikes, from cruisers to sport and off-road models. Renowned for precision engineering, Mikuni carburetors improve throttle response, fuel efficiency and overall engine performance. Riders rely on Mikuni carburetors, such as VM Series round slide carburetors, TMX flat slide carburetors and HSR smoothbore kits to achieve optimized performance with dependable, precision-tuned results.
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Mikuni - KHS-035 - Carburetor Top Cover without Logo - Black
Mikuni
$34.99Mikuni - KHS-035 - Carburetor Top Cover without Logo - BlackFeaturesFor Mikuni HSR carburetorsGives a unique custom lookMade in JapanSpecsProduct NameCoverUnitsEachTypeCarburetorDesignwithout Mikuni...$34.99 -
Mikuni - KHS-045 - Carburetor Jet Kit - HSR 45
Mikuni
$124.99Mikuni - KHS-045 - Carburetor Jet Kit - HSR 45FeaturesMade in JapanSpecsRiding StyleStreetBase ColorGoldColor/FinishGoldMaterialBrassTypeCarburetorModelFor HSR...$124.99 -
Mikuni - KHS-048 - Carburetor Jet Kit - HSR 48
Mikuni
$124.99Mikuni - KHS-048 - Carburetor Jet Kit - HSR 48FeaturesMade in JapanSpecsModelFor HSR 48Riding StyleStreetColor/FinishClearUnitsKitColor/FinishGoldTypeCarburetorBase ColorGoldProduct NameJet...$124.99 -
Mikuni - KHS-034 - Main Jet Extension Kit
Mikuni
$34.99Mikuni - KHS-034 - Main Jet Extension KitFeaturesCompletely submerges main jet within extender, eliminating chance of air bubbles getting throughIncreases amount of fuel to float bowlMade in...$34.99 -
Mikuni - 859-32027 - Replacement Carburetor Float
Mikuni
$27.90Mikuni - 859-32027 - Replacement Carburetor FloatFeaturesGenuine Mikuni replacement float for the HSR42, HSR45 and HSR48 carburetorsSpecsColor/FinishSilverModelFor HSR 42/45ModelFor HSR...$27.90 -
Mikuni - J8-8CFY15-96 - Needle Jet - HSR 45/48
Mikuni
$17.59Mikuni - J8-8CFY15-96 - Needle Jet - HSR 45/48FeaturesMade in JapanSpecsJet Size96ModelFor HSR 45Base ColorSilverModelFor HSR 48TypeNeedleColor/FinishSilverProduct NameJetRiding StyleStreetUnitsEach$17.59 -
Out of stock
Mikuni - J8-8CFY15-98 - Needle Jet - HSR 45/48
Mikuni
$17.59Mikuni - J8-8CFY15-98 - Needle Jet - HSR 45/48FeaturesMade in JapanSpecsRiding StyleStreetJet Size98ModelFor HSR 45Base ColorSilverProduct NameJetTypeNeedleUnitsEachColor/FinishSilverModelFor HSR 48$17.59 -
Mikuni - 45-2 - Smoothbore Carburetor Total Kit - HSR45 - Evolution Big Twin
Mikuni
$955.95Mikuni - 45-2 - Smoothbore Carburetor Total Kit - HSR45 - Evolution Big TwinFeaturesIncludes a performance intake manifold, rubber flange, carburetor, high-flow K&N filter, air cleaner cover,...$955.95 -
Mikuni - 45-4 - Smoothbore Carburetor Total Kit - HSR45 - Twin Cam
Mikuni
$955.95Mikuni - 45-4 - Smoothbore Carburetor Total Kit - HSR45 - Twin CamFeaturesIncludes a performance intake manifold, rubber flange, carburetor, high-flow K&N filter, air cleaner cover, breather kit and...$955.95 -
Out of stock
Mikuni - 42-8 - Smoothbore Carburetor Total Kit - HSR42 - Evolution Big Twin
Mikuni
$972.95Mikuni - 42-8 - Smoothbore Carburetor Total Kit - HSR42 - Evolution Big TwinFeaturesIncludes a performance intake manifold, rubber flange, carburetor, high-flow K&N filter, air cleaner cover,...$972.95 -
Mikuni - 42-7 - Smoothbore Carburetor Easy Kit - HSR42 - Evolution Big Twin
Mikuni
$596.95Mikuni - 42-7 - Smoothbore Carburetor Easy Kit - HSR42 - Evolution Big TwinFeaturesAccepts the original Harley-Davidson intake manifold, choke cable, air cleaner and throttle cablesKits include the...$596.95 -
Mikuni - 42-19 - Smoothbore Carburetor Total Kit - HSR42 - Twin Cam
Mikuni
$972.95Mikuni - 42-19 - Smoothbore Carburetor Total Kit - HSR42 - Twin CamFeaturesIncludes a performance intake manifold, rubber flange, carburetor, high-flow K&N filter, air cleaner cover, breather kit and...$972.95 -
Out of stock
Mikuni - HS42/061-45TC - Intake Manifold - Twin Cam
Mikuni
$99.00Mikuni - HS42/061-45TC - Intake Manifold - Twin Cam Features High performance intake manifold designed to get total performance and compatibility For HSR 42/45/48 carburetors Made in the...$99.00 -
Mikuni - 45-5 - Smoothbore Carburetor Easy Kit - HSR45 - Big Twin/Twin Cam
Mikuni
$510.95Mikuni - 45-5 - Smoothbore Carburetor Easy Kit - HSR45 - Big Twin/Twin Cam Features Accepts the original Harley-Davidson intake manifold, choke cable and throttle cables Recommend the use of a...$510.95 -
Mikuni - HSR45MM Standard Smoothbore Carburetor
Mikuni
$450.00Mikuni - HSR45MM Standard Smoothbore Carburetor Mikuni's HSR42 and HSR45 Smoothbore Carburetors are designed for the high-performance engine builder who seeks a carb for specific custom applications...$450.00 -
Mikuni - HSR45MM Polished Smoothbore Carburetor
Mikuni
$599.00Mikuni - HSR45MM Polished Smoothbore Carburetor Mikuni's HSR42 and HSR45 Smoothbore Carburetors are designed for the high-performance engine builder who seeks a carb for specific custom applications...$599.00 -
Out of stock
Mikuni - HSR42MM Standard Smoothbore Carburetor
Mikuni
$390.00Mikuni - HSR42MM Standard Smoothbore Carburetor Mikuni's HSR42 and HSR45 Smoothbore Carburetors are designed for the high-performance engine builder who seeks a carb for specific custom applications...$390.00 -
Mikuni - HSR42MM Polished Smoothbore Carburetor
Mikuni
$530.00Mikuni - HSR42MM Polished Smoothbore Carburetor Mikuni's HSR42 and HSR45 Smoothbore Carburetors are designed for the high-performance engine builder who seeks a carb for specific custom applications...$530.00 -
Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '94-'03 XL 1200 Models
Mikuni
$510.95Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '94-'03 XL 1200 Models Direct from Japan, Mikuni's HSR42MM Easy Smoothbore Carburetor Kits are well-made for years of dependable service. The...$510.95 -
Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '94-'06 XL 1200 & '94-'02 Buell Models
Mikuni
$460.00Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '94-'06 XL 1200 & '94-'02 Buell Models Direct from Japan, Mikuni's HSR42MM Easy Smoothbore Carburetor Kits are well-made for years of...$460.00 -
Out of stock
Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '90-'06 Evolution Big Twin & Twin Cam Models
Mikuni
$461.95Mikuni - HSR42MM Easy Smoothbore Carburetor Kit fits '90-'06 Evolution Big Twin & Twin Cam Models Direct from Japan, Mikuni's HSR42MM Easy Smoothbore Carburetor Kits are well-made for years of...$461.95 -
Out of stock
Mikuni - Black Flange Adapters
Mikuni
$35.70Mikuni Black Flange Adapters Mikuni is one of the leading carburetor and carburetor component manufacturers in the industry, so you know these flange adapters are made from some of the best...$35.70 -
Mikuni - Genuine HS Carburetor Rebuild Kit
Mikuni
$61.95Mikuni Genuine HS Carburetor Rebuild Kit Were you a little rough on your carb? Mikuni has developed these genuine parts to replace any damaged components you have. Why waste the money and time buy a...$61.95
Mikuni Performance Fuel Systems – Motorcycle Carburetors, Jets & Throttle Components
Mikuni has been a pioneer in the motorcycle industry, providing high-quality carburetors designed for maximum engine efficiency and smooth throttle control. With a range of products including VM Series round slide carburetors, TMX flat slide performance carburetors and HSR smoothbore carburetors, Mikuni carburetors are engineered for superior fuel atomization and consistent power delivery. These components are widely used on Harley-Davidson motorcycles, V-Twin cruisers and custom builds, making Mikuni carburetors a go-to choice for riders aiming for enhanced performance.
Beyond the core carburetor lines, Mikuni offers an extensive selection of replacement parts and tuning kits, such as needle and seat assemblies, jet needles, power jet kits and choke conversion kits. These genuine parts ensure precise calibration and long-term reliability, whether you are upgrading a stock setup or fine-tuning a performance build. Mikuni carburetors support a wide range of motorcycle applications, from Evolution Big Twin models to modern Twin Cam and XL 1200 sport bikes, ensuring optimal performance under all conditions.
For riders seeking high-precision tuning, Mikuni carburetors come with accessories like carburetor mounting flanges, air box adapters and fuel pump kits, enabling customization and easy installation. By combining advanced engineering with user-friendly design, Mikuni carburetors provide smoother acceleration, better fuel efficiency and consistent power across RPM ranges. Whether for custom motorcycle builds, street riding or track performance, Mikuni carburetors remain a trusted choice for enthusiasts looking to maximize engine potential.