Harley Carburetor Rebuild Kits
Harley-Davidson Carburetor Rebuild Kits at JJ Motorsports
Restore crisp throttle response on your Harley with premium carburetor rebuild kits from JJ Motorsports, featuring high-quality jets, needles, gaskets, and seals for Mikuni HSR 42/45, S&S Super B, and classic CV carbs on Sportster, Big Twin, and Evo models. These complete kits make carb refresh fast and reliable.
Shop Mikuni, Drag Specialties, and S&S Cycle rebuild kits for proven performance. Explore related categories such as Harley air and fuel for jets and air cleaners, or Harley for exhaust and cams to complete your tuning and ride with perfect carburetion.
Top Harley-Davidson Carburetor Rebuild Kits
- Mikuni HSR Series 42/45 Carburetor Rebuild Kit KHS-016 – Full kit for Mikuni HSR42/45 carbs; includes all seals, jets, and needle for total refresh.
- Drag Specialties Carburetor Rebuild Kit 42 Mikuni I03102-0704 – Complete rebuild for 42mm Mikuni HSR; high-quality parts for Evo and Twin Cam Harleys.
- S&S Cycle Super B Carburetor Rebuild Kit 11-2903 – Rebuild kit for S&S Super B carb; restores performance on classic Big Twins.
Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
MIKUNI HSR Series 48 Carburetor Rebuild Kit KHS-031
MIKUNI
$46.99Over time, carburetor seals and internal components degrade from fuel oxidation, heat cycling, and normal wear—leaving your HSR series carb running lean, hesitating, or flooding. This genuine Mikuni rebuild kit includes every gasket, O-ring, and wear...KHS031- SKU:
- KHS031
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- REPAIR KIT
- MODEL:
- FOR HSR 48
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- TYPE:
- CARBURETOR
$46.99 -
MIKUNI HSR Series 42/45 Carburetor Rebuild Kit KHS-016
MIKUNI
$61.95Over time, carburetor seals and internal components degrade from fuel exposure, heat cycles, and regular use—causing lean conditions, hesitation, and poor throttle response. This genuine Mikuni rebuild kit supplies all OEM gaskets, O-rings, and internal...KHS016- SKU:
- KHS016
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- RIDING STYLE:
- STREET
- MODEL:
- FOR HSR 42/45
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$61.95 -
ALL BALLS Carburetor Kit - Harley 883 26-1758
ALL BALLS
$124.87Components included in the kits are based off of U.S. models and discretion must be used when attempting to install the kit on a non-US model, Kits include float bowl, carburetor cap, and accelerator pump screws Extended fuel mixture screw with spring,...10031271- SKU:
- 10031271
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- RIDING STYLE:
- STREET
$124.87 -
ALL BALLS Carburetor Kit - Harley 1200 26-1759
ALL BALLS
$132.58Components included in the kits are based off of U.S. models and discretion must be used when attempting to install the kit on a non-US model, Kits include float bowl, carburetor cap, and accelerator pump screws Extended fuel mixture screw with spring,...10031272- SKU:
- 10031272
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$132.58 -
ALL BALLS Carburetor Kit - Harley - 82 Cubic Inches 26-1760
ALL BALLS
$132.58Components included in the kits are based off of U.S. models and discretion must be used when attempting to install the kit on a non-US model, Kits include float bowl, carburetor cap, and accelerator pump screws Extended fuel mixture screw with spring,...10031273- SKU:
- 10031273
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- TYPE:
- CARBURETOR
- RIDING STYLE:
- STREET
$132.58 -
ALL BALLS Carburetor Kit - Harley 26-1761
ALL BALLS
$123.62Components included in the kits are based off of U.S. models and discretion must be used when attempting to install the kit on a non-US model, Kits include float bowl, carburetor cap, and accelerator pump screws Extended fuel mixture screw with spring,...10031274- SKU:
- 10031274
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- TYPE:
- CARBURETOR
$123.62 -
ALL BALLS Carburetor Kit - Harley - 88 Cubic Inches 26-1762
ALL BALLS
$124.87If you're running a modified big-twin Harley and want precise fuel delivery across the entire RPM range, the ALL BALLS 26-1762 Carburetor Kit gives you the tuning flexibility to dial in the exact air-fuel mixture your engine demands. This comprehensive...10031275- SKU:
- 10031275
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- UNITS:
- KIT
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
$124.87 -
JAMES GASKET Diaphragm Acceleration Pump - '76-'06 Harley-Davidson 27361-76
JAMES GASKET
$18.95A properly functioning acceleration pump is critical for responsive throttle response and smooth power delivery in your carbureted Harley-Davidson. The JAMES GASKET diaphragm design delivers precise fuel metering during acceleration, eliminating...DS174445- SKU:
- DS174445
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- DIAPHRAGM
- RIDING STYLE:
- STREET
- TYPE:
- ACCELERATOR PUMP
- UNITS:
- EACH
$18.95 -
ALL BALLS Mikuni 42 Series Carburetor Gasket Kit 26-10052
ALL BALLS
$70.46Carburetor repairs don't need to derail your riding season. This ALL BALLS gasket kit delivers every seal and component required to restore both carburetors on your ATV to factory specifications, eliminating downtime and getting you back on the trail...10031948- SKU:
- 10031948
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- GASKET
- UNITS:
- KIT
- BASE COLOR:
- BLACK
- MODEL:
- FOR HSR 42/45
- COLOR/FINISH:
- BLACK
- RIDING STYLE:
- STREET
$70.46 -
ALL BALLS Mikuni 48 Series Carburetor Jet Kit 26-10056
ALL BALLS
$95.21Achieving the perfect air-fuel mixture is critical for consistent power delivery and throttle response, especially when running modified engines or operating at different altitudes. The ALL BALLS Mikuni 48 Series Carburetor Jet Kit (26-10056) provides a...10031947- SKU:
- 10031947
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- COLOR/FINISH:
- BRASS
- PRODUCT NAME:
- JET KIT
- TYPE:
- MIKUNI
- MODEL:
- FOR HSR 48
- UNITS:
- KIT
- BASE COLOR:
- BRASS
- BASE FINISH:
- RAW
- RIDING STYLE:
- STREET
$95.21 -
ALL BALLS Mikuni 45 Series Carburetor Jet Kit 26-10055
ALL BALLS
$107.15Fine-tuning a Mikuni HSR carburetor is critical for extracting peak performance from forced induction and high-displacement engines—and running the wrong jet combination costs you horsepower and drivability. This ALL BALLS jet kit eliminates guesswork by...10031946- SKU:
- 10031946
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- COLOR/FINISH:
- BRASS
- BASE COLOR:
- BRASS
- BASE FINISH:
- RAW
- MODEL:
- FOR HSR 45
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- JET KIT
- TYPE:
- MIKUNI
- UNITS:
- KIT
$107.15 -
ALL BALLS Mikuni 42 Series Carburetor Jet Kit 26-10054
ALL BALLS
$107.15Fine-tuning your Mikuni HSR carburetor requires precision jet selection across various riding conditions and engine modifications. This comprehensive jet kit eliminates the guesswork by providing a complete range of main, pilot, and accelerator pump...10031945- SKU:
- 10031945
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- BASE COLOR:
- BRASS
- BASE FINISH:
- RAW
- MODEL:
- FOR HSR 42
- RIDING STYLE:
- STREET
- UNITS:
- KIT
- COLOR/FINISH:
- BRASS
- TYPE:
- MIKUNI
- PRODUCT NAME:
- JET KIT
$107.15 -
DRAG SPECIALTIES Carburetor Rebuild Kit - 42 Mikuni I03102-0704
DRAG SPECIALTIES
$60.27A properly tuned carburetor is the foundation of consistent engine performance, and worn internal components will compromise fuel atomization, throttle response, and reliability. This complete rebuild kit gives you everything needed to restore your...10030293- SKU:
- 10030293
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- TYPE:
- CARBURETOR
- UNITS:
- KIT
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
$60.27 -
On Sale
S&S CYCLE Acceleration Pump Push Rod 11-2373
S&S CYCLE
MSRP: $11.95Now: $10.76Was: $11.95The S&S Cycle Acceleration Pump Push Rod is a precision-engineered component designed to optimize fuel delivery response during aggressive throttle transitions. Whether you're fine-tuning a carbureted engine for consistent performance or rebuilding your...10031727- SKU:
- 10031727
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- RIDING STYLE:
- STREET
- UNITS:
- EACH
- PRODUCT NAME:
- PUSHROD
- TYPE:
- PUMP
MSRP: $11.95Now: $10.76Was: $11.95Qty in Cart: 0Quantity:Price:MSRP: $11.95Now: $10.76Was: $11.95Subtotal: -
DRAG SPECIALTIES Tune Up Kit - '70-E'78 Big Twin/XL MC-DRAG013
DRAG SPECIALTIES
$18.67A reliable ignition system is the foundation of consistent engine performance, and this DRAG Specialties tune-up kit delivers OEM-spec components engineered specifically for your classic Big Twin or XL Sportster. Whether you're rebuilding after a season...DS242026- SKU:
- DS242026
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- PRODUCT NAME:
- TUNEUP KIT
- RIDING STYLE:
- STREET
- UNITS:
- KIT
$18.67Qty in Cart: 0Quantity:Price:$18.67Subtotal: -
DRAG SPECIALTIES Keihin Carburetor Gas Inlet - '76-'06 T03-0070
DRAG SPECIALTIES
$11.39A reliable fuel inlet fitting is the foundation of consistent carburetor performance, and this solid brass Keihin gas inlet delivers the precision fuel delivery your engine demands. Whether you're running a stock rebuild or a high-performance setup, a...10030257- SKU:
- 10030257
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- FUEL INLET FITTING
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- TYPE:
- CARBURETOR
- UNITS:
- EACH
$11.39 -
DRAG SPECIALTIES Carburetor Rebuild Kit - '76-'89 Keihen 03-0022A
DRAG SPECIALTIES
$29.07A worn or leaking carburetor will cost you consistency on the track and reliability on the street. This complete rebuild kit gives you everything needed to restore your Keihin carb to factory specifications, eliminating fuel delivery issues and ensuring...10030291- SKU:
- 10030291
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MODEL:
- FOR BUTTERFLY CARBURETORS
- PRODUCT NAME:
- REPAIR KIT
- RIDING STYLE:
- STREET
- TYPE:
- CARBURETOR
- UNITS:
- KIT
$29.07 -
DRAG SPECIALTIES Linkert Carburetor Rebuild Kit I03-0100
DRAG SPECIALTIES
$85.23A carburetor is only as good as its internal components, and worn seals, gaskets, and needles will rob your engine of consistent fuel atomization and throttle response. This Linkert rebuild kit restores your carburetor to factory specifications,...10030294- SKU:
- 10030294
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- REPAIR KIT
- TYPE:
- CARBURETOR
- UNITS:
- EACH
$85.23Qty in Cart: 0Quantity:Price:$85.23Subtotal: -
DRAG SPECIALTIES Bendix Carburetor Rebuild Kit 012608
DRAG SPECIALTIES
$36.35A carburetor that's running lean, surging, or flooding will kill your engine's performance and reliability—and a complete rebuild kit eliminates guesswork by providing every gasket, seal, and component you need in one package. The DRAG SPECIALTIES Bendix...10030166- SKU:
- 10030166
- Availability:
- Ships Same Business Day
- Weight:
- 0.07 LBS
- TYPE:
- CARBURETOR
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- EACH
- RIDING STYLE:
- STREET
$36.35Qty in Cart: 0Quantity:Price:$36.35Subtotal: -
On Sale
S&S CYCLE Super B Carburetor Rebuild Kit 11-2903
S&S CYCLE
MSRP: $61.95Now: $55.76Was: $61.95A carburetor rebuild kit is essential maintenance for keeping your S&S Cycle engine running at peak performance. Over time, fuel varnish and debris accumulate in the jets, passages, and seals—restricting fuel flow and causing rough idle, hesitation, and...112903- SKU:
- 112903
- Availability:
- Ships Same Business Day
- Weight:
- 0.65 LBS
- PRODUCT NAME:
- REPAIR KIT
- UNITS:
- KIT
- RIDING STYLE:
- STREET
- MODEL:
- SUPER B
- TYPE:
- CARBURETOR
MSRP: $61.95Now: $55.76Was: $61.95Qty in Cart: 0Quantity:Price:MSRP: $61.95Now: $55.76Was: $61.95Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Carburetor Rebuild Kits
- Compatibility: Ensure the kit fits your Harley's carburetor type (e.g., S&S Super E/G, Keihin CV, Mikuni HSR42/45/48, HS40) and model (e.g., Big Twin 1970-2006, XL 1973-1985, Twin Cam 1999-2006). Use the vehicle selector for year-specific matches to avoid incomplete repairs or performance issues.
- Type of Use: For vintage or stock rebuilds, opt for basic kits with gaskets and jets; performance or modified engines benefit from comprehensive sets including diaphragms, needles, and O-rings for smooth throttle response in street or touring conditions.
- Components and Upgrades: Select kits with gaskets, diaphragms, needles, jets, O-rings, springs, and seals; upgrade to ethanol-resistant materials or brass jets for durability against modern fuels.
- Brand and Quality: Choose S&S Cycle for Super E/G kits, K&L Supply for Keihin CV rebuilds, or Mikuni for HSR/HS40 options. Prioritize high-quality, OEM-matching components for reliable sealing and long-term performance.
- Installation and Cost: Kits are designed for DIY carb overhauls with basic tools; prices range from $24.95 for basic sets to $102.95 for premium options—factor in expert support for fitment and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and carburetors do these rebuild kits support? Kits support models like Big Twin (1970-2006), XL (1973-1985), Twin Cam (1999-2006), with compatibility for S&S Super E/G, Keihin CV, Mikuni HSR42/45/48, and HS40—use the year/make/model filter for exact matches.
- How do rebuild kits restore carburetor performance? They include components to replace worn seals, jets, and diaphragms, ensuring smooth operation, preventing leaks, and improving throttle response for stock or modified engines.
- What is typically included in a kit? Most kits contain gaskets, diaphragms, needles, jets, O-rings, springs, and seals; check details for specific inclusions like accelerator pump or idle mixture screws.
- Are these kits suitable for ethanol fuels? Yes, many feature ethanol-resistant materials to withstand modern E10 blends without degradation.
- What if a kit doesn't fit my Harley? Verify carb type and model before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related air and fuel parts? Yes—explore air cleaners, fuel filters, or full carbs in the Harley air and fuel category to complement your rebuild for optimal engine efficiency.
