Street Bike Carburertor Main Jets
Street Bike Carburetor Main Jets at JJ Motorsports
Tune your street bike's carb precisely with premium Mikuni and EBC main/pilot jets from JJ Motorsports, available in convenient 4-packs for accurate fuel metering and optimal performance on Suzuki GSX-R, Honda CBR, Kawasaki ZX, Yamaha R-series, and classic carbureted models.
Shop Mikuni and EBC carburetor jets for OEM-quality brass construction and reliable tuning. Explore related categories such as street bike air and fuel for rebuild kits and needles, or street bike for exhaust and brakes to complete your carb refresh and achieve crisp throttle response on every ride.
Top Street Bike Carburetor Main Jets
- Mikuni Main Jet 4-Pack N100604-152.5 – Size 152.5 main jets; perfect for fine-tuning high-RPM performance on GSX-R and CBR models.
- Mikuni Pilot Jet 4-Pack VM28/486-15 – Size 15 pilot jets; essential for smooth idle and low-speed response on Yamaha R6 and Kawasaki ZX.
- EBC Mikuni-Style Carburetor Jet 4-Pack HJ135-4 – Size 135 main jets; affordable Mikuni-compatible pack for classic street bike tuning.
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
-
EBC Mikuni-Style Carburetor Jet - 4-Pack HJ110-4
EBC
$11.41A lean or rich-running engine wastes fuel, kills performance, and risks catastrophic damage to your powerplant. The EBC Mikuni-Style Carburetor Jet 4-Pack puts precise fuel metering back in your hands, allowing you to dial in the exact air-fuel ratio...10060060- SKU:
- 10060060
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 110
- MATERIAL:
- BRASS
- OVERALL LENGTH METRIC:
- 11.50 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- THREAD PITCH:
- M5,3 X 0,9
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- HEAD DIAMETER METRIC:
- 6.00 MM
- HEAD TYPE:
- HEX HEAD
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- SNOW
- THREAD LENGTH METRIC:
- 5.00 MM
- HEAD LENGTH METRIC:
- 6.50 MM
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$11.41Qty in Cart: 0Quantity:Price:$11.41Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ112.5-4
EBC
$11.17Carburetor tuning hinges on precise fuel atomization, and worn or incorrect jets rob you of the air-fuel mixture accuracy your engine demands. These EBC Keihin-style jets deliver flow-calibrated brass construction—allowing you to dial in the exact fuel...10060143- SKU:
- 10060143
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 112.5
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- FEATURES:
- FOR KJ CARBURETORS
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- MODEL:
- RD PRECISION
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ117.5-4
EBC
$11.17Fine-tuning your carburetor's fuel mixture requires precision jets calibrated to exact flow rates—stock jets often leave performance on the table or cause running issues during tuning. The EBC Keihin-Style Carburetor Jet delivers flow-calibrated brass...10060145- SKU:
- 10060145
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- MODEL:
- RD PRECISION
- RIDING STYLE:
- OFF-ROAD
- FEATURES:
- FOR KJ CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- RIDING STYLE:
- SNOW
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- BASE COLOR:
- BRASS
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 117.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ142.5-4
EBC
$11.17Carburetor jetting is critical to engine performance—too rich and you're wasting fuel and fouling plugs, too lean and you risk lean-burn conditions that compromise reliability. These EBC Keihin-style jets deliver precision flow calibration across the RPM...10060155- SKU:
- 10060155
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 142.5
- MATERIAL:
- BRASS
- MODEL:
- RD PRECISION
- RIDING STYLE:
- OFF-ROAD
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- UTV
- HEAD TYPE:
- SLOTTED
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- FEATURES:
- FOR KJ CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ102.5-4
EBC
$11.17Brass carburetor jets are high-precision and flow-calibrated for extremely accurate fuel flow rate, High-quality replacements; NOT original Keihin jets, Sold to dealer as 4-pack; sold to consumer as each10060139- SKU:
- 10060139
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- FEATURES:
- FOR KJ CARBURETORS
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- MODEL:
- RD PRECISION
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- BASE COLOR:
- BRASS
- JET SIZE:
- 102.5
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- UTV
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
EBC Mikuni-Style Carburetor Jet - 4-Pack HJ560-4
EBC
$7.95Carburetor tuning demands precision, and worn or incorrect jets will rob your engine of the lean mixtures and throttle response you've dialed in. These brass jets are flow-calibrated to exact specifications, ensuring your fuel delivery stays consistent...10060114- SKU:
- 10060114
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- BASE COLOR:
- BRASS
- HEAD DIAMETER METRIC:
- 6.00 MM
- JET SIZE:
- 560
- OVERALL DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH METRIC:
- 11.50 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- THREAD PITCH:
- M5,3 X 0,9
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- THREAD LENGTH METRIC:
- 5.00 MM
- UNITS:
- 4 PACK
- TYPE:
- MAIN
- HEAD LENGTH METRIC:
- 6.50 MM
- RIDING STYLE:
- ATV
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
EBC Mikuni-Style Carburetor Jet - 4-Pack HJ600-4
EBC
$7.95A worn or incorrect jet size directly impacts fuel atomization and engine response, causing lean stumbles, rich fouling, or flat power delivery across your RPM range. EBC Mikuni-style jets are brass, flow-calibrated replacements engineered to restore...10060118- SKU:
- 10060118
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- THREAD LENGTH METRIC:
- 5.00 MM
- HEAD DIAMETER METRIC:
- 6.00 MM
- HEAD LENGTH METRIC:
- 6.50 MM
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- UTV
- THREAD PITCH:
- M5,3 X 0,9
- BASE COLOR:
- BRASS
- OVERALL LENGTH METRIC:
- 11.50 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- JET SIZE:
- 600
- RIDING STYLE:
- SNOW
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$7.95Qty in Cart: 0Quantity:Price:$7.95Subtotal: -
EBC Mikuni-Style Carburetor Jet - 4-Pack SJ155-4
EBC
$11.17A properly jetted carburetor is fundamental to consistent performance and reliability, especially in high-demand racing applications. OEM jets wear, clog, or become mismatched during tuning adjustments, leaving you with unpredictable fuel delivery and...10060051- SKU:
- 10060051
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- JET SIZE:
- 155
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- HEAD LENGTH METRIC:
- 4.00 MM
- OVERALL DIAMETER METRIC:
- 9.00 MM
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- BASE COLOR:
- BRASS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- THREAD PITCH:
- M5 X 0,75
- FEATURES:
- FOR SJ CARBURETORS
- HEAD DIAMETER METRIC:
- 8.00 MM
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- MODEL:
- RD PRECISION
- RIDING STYLE:
- OFF-ROAD
- THREAD LENGTH METRIC:
- 5.00 MM
$11.17 -
EBC Mikuni-Style Carburetor Jet - 4-Pack SJ160-4
EBC
$11.17Carburetor jets wear out, clog, or need sizing adjustments—and when they do, you need precision replacements that won't compromise your fuel mapping. These EBC Mikuni-style jets are flow-calibrated brass components engineered to exacting tolerances,...10060053- SKU:
- 10060053
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER METRIC:
- 8.00 MM
- HEAD LENGTH METRIC:
- 4.00 MM
- MODEL:
- RD PRECISION
- THREAD LENGTH METRIC:
- 5.00 MM
- FEATURES:
- FOR SJ CARBURETORS
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 160
- RIDING STYLE:
- UTV
- BASE COLOR:
- BRASS
- OVERALL DIAMETER METRIC:
- 9.00 MM
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- THREAD PITCH:
- M5 X 0,75
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$11.17 -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ157.5-4
EBC
$11.17Carburetor tuning demands precision—even small variations in jet sizing throw off your air-fuel ratio and cost you performance on the track or dyno. These EBC Keihin-style jets are brass-constructed and flow-calibrated to exacting tolerances, giving you...10060161- SKU:
- 10060161
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- FEATURES:
- FOR KJ CARBURETORS
- RIDING STYLE:
- ATV
- BASE COLOR:
- BRASS
- JET SIZE:
- 157.5
- MODEL:
- RD PRECISION
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
$11.17Qty in Cart: 0Quantity:Price:$11.17Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack CR080-4
EBC
$11.41A lean or rich running condition often indicates worn or improperly sized carburetor jets, which compromise fuel delivery precision and engine performance. EBC Keihin-style jets are flow-calibrated brass replacements that restore accurate fuel metering...10060165- SKU:
- 10060165
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 80
- OVERALL LENGTH:
- 16,50 MM (0,65')
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- HEAD DIAMETER:
- 6,00 MM (0,24')
- HEAD TYPE:
- HEX HEAD
- OVERALL LENGTH IMPERIAL:
- 0.65'
- HEAD DIAMETER IMPERIAL:
- 0.24'
- HEAD DIAMETER METRIC:
- 6.00 MM
- OVERALL LENGTH METRIC:
- 16.50 MM
- RIDING STYLE:
- UTV
$11.41Qty in Cart: 0Quantity:Price:$11.41Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack CR090-4
EBC
$11.41Carburetor tuning demands precision, and worn or incorrect jets compromise fuel atomization and engine response across your powerband. These EBC brass jets deliver flow-calibrated accuracy to dial in your air-fuel mixture without the guesswork. Whether...10060169- SKU:
- 10060169
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD DIAMETER:
- 6,00 MM (0,24')
- OVERALL LENGTH IMPERIAL:
- 0.65'
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- HEAD DIAMETER IMPERIAL:
- 0.24'
- RIDING STYLE:
- ATV
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- OVERALL LENGTH:
- 16,50 MM (0,65')
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- HEAD DIAMETER METRIC:
- 6.00 MM
- JET SIZE:
- 90
- OVERALL LENGTH METRIC:
- 16.50 MM
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
$11.41Qty in Cart: 0Quantity:Price:$11.41Subtotal:
Buying Guide and FAQs
Buying Guide: Factors to Consider When Choosing Street Bike Carburetor Main Jets
- Compatibility: Match jets to your bike's make (e.g., Suzuki GSX-R, Honda CBR, Kawasaki ZX, Yamaha R-series) and carburetor type (e.g., Mikuni VM16, HS40, HSR42/45/48, RS, TM, VM29/33 Smoothbores). Use the vehicle selector for year-specific fits to ensure precise metering without performance issues.
- Type of Use: For high-RPM street or track riding, select main jets (sizes 100-210) for optimized fuel delivery; low-speed/idle tuning benefits from pilot jets (sizes 15-60) in multi-carb setups for smooth response in urban or touring conditions.
- Components and Upgrades: Choose 4-packs with brass construction, slotted heads for easy adjustment, and OEM-quality specs. Focus on ethanol-resistant materials and precise sizing for tuning fuel mixture, throttle response, and engine efficiency.
- Brand and Quality: Opt for Mikuni for premium, Japan-made jets or EBC for compatible alternatives. Prioritize brass slotted designs for durability, accurate flow, and longevity in modern fuels.
- Installation and Cost: Jets are simple to swap with basic tools for DIY tuning; sold in 4-packs for convenience. Prices are $5.20 per pack—consider bulk for multiple sizes and free shipping over $99 for value.
Frequently Asked Questions (FAQs)
- What street bike models do these carburetor main jets support? Jets fit models with Mikuni carbs like Suzuki GSX-R, Honda CBR, Kawasaki ZX, and Yamaha R-series—use the year/make/model filter for exact compatibility, especially if stock Mikuni-equipped.
- Main jets vs. pilot jets: What's the difference? Main jets (e.g., sizes 100-210) control high-RPM fuel; pilot jets (e.g., sizes 15-60) handle idle/low-speed for smooth acceleration and response.
- How do brass jets improve tuning? Slotted brass construction allows easy adjustment, precise metering, and resistance to modern fuels, optimizing mixture for better throttle and performance.
- Are these jets sold individually? No, available in 4-packs for convenience in tuning multiple carbs or testing sizes.
- What if a jet size doesn't match my bike? Verify carb type and size before buying. Our returns policy allows exchanges or refunds if it doesn't fit.
- Can I find related air and fuel parts? Yes—explore rebuild kits, needles, or full carbs in the street bike air and fuel category to complement your jet upgrade for complete tuning.