Harley Carburetor Main Jets
Harley-Davidson Carburetor Main Jets at JJ Motorsports
Tune your Harley's carb perfectly with premium main and intermediate jets from JJ Motorsports, designed for Keihin CV, S&S, and Mikuni carbs on Sportster, Big Twin, Evo, and Twin Cam models. These precision brass jets deliver accurate fuel metering for crisp throttle response and maximum power.
Shop EBC and S&S Cycle carburetor jets for proven reliability. Explore related categories such as Harley air and fuel for rebuild kits and air cleaners, or Harley for exhaust and cams to complete your carb tuning.
Top Harley-Davidson Carburetor Main Jets
- EBC Keihin Harley-Davidson Assortment Jet Kit HDJK12 – 12-piece main jet assortment for Keihin CV carbs; perfect for dyno tuning and altitude changes.
- S&S Cycle Main Jet .072 11-7236 – .072 main jet for S&S Super E/G carbs; ideal for performance builds.
- S&S Cycle Intermediate Jet .0295 11-7110 – .0295 intermediate jet for S&S carbs; fine-tunes mid-range for smoother power delivery.
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!
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- Qty in Cart
- Quantity
- Price
- Subtotal
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On Sale
S&S CYCLE Main Jet - .064" 11-7232
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper fuel atomization is the foundation of consistent engine performance, and choosing the right main jet is non-negotiable for carburetor tuning. The S&S Cycle Main Jet .064" gives you precise fuel metering across mid-range and full-throttle...DS72064- SKU:
- DS72064
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.064
- UNITS:
- 5 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .084" 11-7242
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Precise fuel metering is non-negotiable for carburetor tuning, and the S&S CYCLE Main Jet delivers the accuracy your engine demands. Whether you're running a stock build or pushing performance modifications, this .084" jet ensures optimal air-fuel ratio...DS72084- SKU:
- DS72084
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- JET SIZE:
- 0.084
- UNITS:
- 5 PACK
- FEATURES:
- FOR S&S CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Intermediate Jet - .0265 11-7108
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Proper jetting is foundational to engine performance—too rich or too lean, and you're leaving power on the table while risking engine damage. The S&S Cycle Intermediate Jet .0265 is engineered for stock and performance engines that demand reliable...DS940265- SKU:
- DS940265
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 3 PACK
- JET SIZE IMPERIAL:
- 0.0265'
- MODEL:
- S&S
- PRODUCT NAME:
- JET
- FEATURES:
- FOR S&S CARBURETORS
- TYPE:
- INTERMEDIATE
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Intermediate Jet - .028 11-7109
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Carburetor jetting is fundamental to engine performance—get it wrong, and you're leaving horsepower on the table or risking lean-condition damage. The S&S CYCLE Intermediate Jet .028 is engineered to deliver precise fuel metering across mid-range RPMs,...DS94028- SKU:
- DS94028
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE IMPERIAL:
- 0.028'
- MODEL:
- S&S
- PRODUCT NAME:
- JET
- TYPE:
- INTERMEDIATE
- RIDING STYLE:
- STREET
- UNITS:
- 3 PACK
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE High Range Jet Kit 11-7271
S&S CYCLE
MSRP: $71.95Now: $64.76Was: $71.95Proper jetting is the foundation of reliable engine performance, and running incorrect jets can result in lean conditions, poor throttle response, and potential engine damage. The S&S Cycle High Range Jet Kit 11-7271 eliminates guesswork by providing a...DS0451- SKU:
- DS0451
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MATERIAL:
- BRASS
- UNITS:
- KIT
- TYPE:
- HIGH RANGE
- FEATURES:
- FOR S&S CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
MSRP: $71.95Now: $64.76Was: $71.95 -
On Sale
S&S CYCLE Main Jet - .056" 11-7228
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is fundamental to maximizing fuel delivery and engine performance across varying load conditions and altitudes. The S&S Cycle .056" Main Jet delivers precise metering for both stock and modified engines, ensuring optimal air-fuel mixture...10060236- SKU:
- 10060236
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- JET SIZE:
- 0.056
- TYPE:
- MAIN
- FEATURES:
- FOR S&S CARBURETORS
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .058" 11-7229
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper fuel atomization is critical to engine performance, and carburetor jetting directly controls your air-fuel mixture. The S&S Cycle Main Jet in .058" ensures optimal fuel delivery across your engine's operating range, whether you're running a stock...10060237- SKU:
- 10060237
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.058
- TYPE:
- MAIN
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .060" 11-7230
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is foundational to fuel carburetor performance—too lean and you risk engine damage, too rich and you sacrifice efficiency and throttle response. The S&S Cycle Main Jet .060" delivers precise fuel metering for both stock and modified...10060238- SKU:
- 10060238
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.060
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .066" 11-7233
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is the foundation of carburetor tuning—get it wrong, and you're fighting lean conditions, poor throttle response, and potential engine damage. The S&S Cycle Main Jet .066" delivers the precise fuel metering your engine needs across the...DS72066- SKU:
- DS72066
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- FEATURES:
- FOR S&S CARBURETORS
- UNITS:
- 5 PACK
- JET SIZE:
- 0.066
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .082" 11-7241
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is fundamental to carburetor tuning—it directly impacts fuel delivery, throttle response, and engine performance across your power band. The S&S Cycle Main Jet (.082") is engineered to support both stock and modified engines, giving you...DS72082- SKU:
- DS72082
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- RIDING STYLE:
- STREET
- JET SIZE:
- 0.082
- FEATURES:
- FOR S&S CARBURETORS
- UNITS:
- 5 PACK
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Intermediate Jet - .025 11-7107
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Precise fuel delivery is the foundation of predictable engine performance, and carburetor jetting directly controls how your engine responds across the entire RPM range. The S&S CYCLE Intermediate Jet (.025) is engineered to optimize fuel mixture in the...DS94025- SKU:
- DS94025
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- FEATURES:
- FOR S&S CARBURETORS
- MODEL:
- S&S
- JET SIZE IMPERIAL:
- 0.025'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 3 PACK
- TYPE:
- INTERMEDIATE
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Intermediate Jet - .0295 11-7110
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Proper jetting is fundamental to engine performance, and the S&S CYCLE Intermediate Jet .0295 delivers the precise fuel metering your carburetor needs for optimal combustion across the RPM range. Whether you're tuning a stock engine or a modified...DS940295- SKU:
- DS940295
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- RIDING STYLE:
- STREET
- UNITS:
- 3 PACK
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE IMPERIAL:
- 0.0295'
- TYPE:
- INTERMEDIATE
- MODEL:
- S&S
- PRODUCT NAME:
- JET
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Intermediate Jet - .032 11-7112
S&S CYCLE
MSRP: $40.95Now: $36.86Was: $40.95Precise fuel metering is fundamental to carburetor performance, and the S&S CYCLE Intermediate Jet delivers the consistency your engine demands across the mid-range RPM band. Whether you're tuning a stock engine or optimizing a modified build, this jet...DS94032- SKU:
- DS94032
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE IMPERIAL:
- 0.032'
- RIDING STYLE:
- STREET
- UNITS:
- 3 PACK
- FEATURES:
- FOR S&S CARBURETORS
- PRODUCT NAME:
- JET
- TYPE:
- INTERMEDIATE
- MODEL:
- S&S
MSRP: $40.95Now: $36.86Was: $40.95 -
On Sale
S&S CYCLE Main Jet - .074" 11-7237
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is fundamental to carburetor tuning, and running the wrong main jet will cost you horsepower, fuel economy, and engine reliability. The S&S Cycle Main Jet .074" is engineered for stock and performance engines where precise air-fuel mixture...DS72074- SKU:
- DS72074
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- TYPE:
- MAIN
- UNITS:
- 5 PACK
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.074
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .090" - 5-Pack 11-7245
S&S CYCLE
MSRP: $80.95Now: $72.86Was: $80.95Proper jetting is non-negotiable for carburetor performance—too lean and you risk engine damage, too rich and you sacrifice power and efficiency. The S&S Cycle Main Jet in .090" delivers the precision fuel metering your engine needs across a wide RPM...10060316- SKU:
- 10060316
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.090
- UNITS:
- 5 PACK
MSRP: $80.95Now: $72.86Was: $80.95 -
On Sale
S&S CYCLE Main Jet - .092" - 5-Pack 11-7246
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Precise fuel metering is critical to carburetor performance, and the S&S Cycle Main Jet delivers the accuracy your engine demands. Whether you're tuning a stock powerplant or dialing in a modified build, this .092" jet provides the right fuel-air ratio...10060317- SKU:
- 10060317
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- JET SIZE:
- 0.092
- UNITS:
- 5 PACK
- FEATURES:
- FOR S&S CARBURETORS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .094" - 5-Pack 11-7247
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Precise fuel metering is fundamental to carbureted engine tuning, and running the correct main jet is non-negotiable for peak performance and reliability. This .094" main jet from S&S Cycle is engineered for stock and modified engines, allowing you to...10060318- SKU:
- 10060318
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.094
- UNITS:
- 5 PACK
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .096" - 5-Pack 11-7248
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is foundational to carburetor performance—too lean and you risk engine damage, too rich and you sacrifice power and fuel economy. The S&S Cycle .096" main jet delivers the precise fuel metering needed to optimize air-fuel ratios across a...10060319- SKU:
- 10060319
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- UNITS:
- 5 PACK
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.096
- TYPE:
- MAIN
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .098" - 5-Pack 11-7249
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is fundamental to carburetor performance, directly impacting throttle response, fuel efficiency, and engine reliability across a range of operating conditions. The S&S Cycle .098" main jet delivers precise fuel metering for stock and...10060320- SKU:
- 10060320
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.098
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 5 PACK
MSRP: $50.95Now: $45.86Was: $50.95 -
On Sale
S&S CYCLE Main Jet - .100" - 5-Pack 11-7250
S&S CYCLE
MSRP: $50.95Now: $45.86Was: $50.95Proper jetting is fundamental to carburetor tuning—it directly impacts fuel delivery, throttle response, and overall engine performance. The S&S Cycle Main Jet delivers precise fuel metering for both stock and high-performance engines, allowing you to...10060321- SKU:
- 10060321
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 5 PACK
- FEATURES:
- FOR S&S CARBURETORS
- JET SIZE:
- 0.100
MSRP: $50.95Now: $45.86Was: $50.95
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Harley Bike Carburetor Main Jets
- Compatibility: Ensure jets fit your Harley's carburetor type (e.g., Keihin CV, S&S Super E/G, Mikuni HSR42/45/48, HS40) and model (e.g., Big Twin 1988-2006, Sportster, Evo, Twin Cam). Use the vehicle selector for year-specific matches to avoid tuning or flow issues.
- Type of Use: For stock or performance tuning, select main jets (sizes 160-220, .062"-.080") for high-RPM fuel; intermediate jets (.0295"-.033") suit low-range adjustments; assortment kits are ideal for dyno testing or altitude changes in street or touring conditions.
- Components and Upgrades: Choose individual jets, 5-packs, or assortment kits; upgrade to extension kits for air bubble prevention. Focus on precision-machined brass for accurate metering and improved throttle response/power.
- Brand and Quality: Opt for S&S Cycle for Super E/G jets, EBC for Keihin assortment kits, MIKUNI for HSR extensions, CYCLE CRAFT for brass main jets, or YOST PERFORMANCE for 195-220 kits. Prioritize Japan/USA-made brass for durability and consistent flow.
- Installation and Cost: Jets are simple swaps for DIY tuning; kits include multiple sizes for convenience. Prices range from $4.79 for 2-packs to $64.67 for assortments—factor in sales (up to 10% off) and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What Harley models and carburetors do these main jets support? Jets support models like Big Twin (1988-2006), Sportster, Evo, Twin Cam, with compatibility for Keihin CV, S&S Super E/G, Mikuni HSR—use the year/make/model filter for exact matches.
- How do main jets improve carburetor performance? They allow precise fuel metering for better throttle response, power delivery, and mid-range smoothness, especially in modified or altitude-varying setups.
- What is typically included in a jet kit? Assortment kits like EBC HDJK12 include 12 main jets; 5-packs (S&S, CYCLE CRAFT) for specific sizes; extensions (MIKUNI) prevent bubbles.
- Are these jets durable with modern fuels? Yes, precision-machined brass construction ensures reliability and flow calibration against ethanol blends.
- What if a jet size doesn't fit my Harley? Verify carb type and size requirements before buying. Our returns policy allows exchanges or refunds if it doesn't match.
- Can I find related air and fuel parts? Yes—explore rebuild kits, air cleaners, or carbs in the Harley air and fuel category to complement your jet upgrade for optimal tuning.
