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
-
MIKUNI Main Jet - 4-Pack N100604-925
MIKUNI
$14.55Precision fuel delivery is the foundation of carburetor tuning, and a properly sized main jet directly controls your air-fuel ratio under load. This OEM Mikuni main jet ensures your carb delivers consistent, optimized fueling across your...KN100604925- SKU:
- KN100604925
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 92.5
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- PRODUCT NAME:
- JET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-95
MIKUNI
$14.55Precision fuel delivery is non-negotiable when tuning your Mikuni carburetor for peak performance. A worn or incorrect main jet restricts your engine's potential, causing lean running conditions and inconsistent power delivery across the RPM band. This...KN10060495- SKU:
- KN10060495
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 95
- MATERIAL:
- BRASS
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- RIDING STYLE:
- OFF-ROAD
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-160
MIKUNI
$5.20Precision fuel delivery is the foundation of carburetor tuning, and selecting the correct main jet size is critical for optimal performance across your operating range. A 160 main jet from Mikuni ensures proper fuel-air mixture at mid-to-high throttle...KN100604160- SKU:
- KN100604160
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 160
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
$5.20 -
MIKUNI Main Jet - 4-Pack N100604-1625
MIKUNI
$5.20Precise jetting is fundamental to carburetor performance, and OEM main jets wear unpredictably with use and ethanol-blend fuels. This 4-pack of genuine MIKUNI main jets ensures you have spares on hand for tuning adjustments and emergency replacements...KN1006041625- SKU:
- KN1006041625
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 162.5
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- HEAD TYPE:
- SLOTTED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
$5.20 -
MIKUNI Main Jet - 4-Pack N100604-80
MIKUNI
$14.55Proper jetting is the foundation of carburetor tuning—and running the wrong main jet costs you horsepower, fuel efficiency, and engine reliability. This 4-pack of Mikuni main jets gives you the flexibility to dial in the perfect air-fuel ratio for your...KN10060480- SKU:
- KN10060480
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 80
- PRODUCT NAME:
- JET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-825
MIKUNI
$5.20Precision fuel delivery is the foundation of carburetor tuning, and the right main jet makes the difference between a lean miss and optimal combustion across your entire power band. This OEM-quality Mikuni main jet ensures your carb pulls the exact fuel...KN100604825- SKU:
- KN100604825
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 82.5
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
MIKUNI Main Jet - 4-Pack N100604-85
MIKUNI
$14.55Fine-tuning your air-fuel mixture is critical for extracting maximum performance and reliability from your carbureted engine. A worn or incorrect main jet directly impacts throttle response, fuel economy, and peak power delivery across your RPM range...KN10060485- SKU:
- KN10060485
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- SLOTTED
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- TYPE:
- MAIN
- JET SIZE:
- 85
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-875
MIKUNI
$14.55Precision fuel delivery is the foundation of carburetor tuning, and the right main jet directly controls your engine's fuel mixture under load. This Mikuni main jet (87.5) is engineered for exact atomization and consistent performance across a wide RPM...KN100604875- SKU:
- KN100604875
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 87.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- RIDING STYLE:
- ATV
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-975
MIKUNI
$14.55Precision fuel delivery is non-negotiable in high-performance carbureted engines, and the right main jet directly controls your air-fuel ratio across the mid-to-high RPM range. A properly sized main jet prevents lean-running conditions that can cause...KN100604975- SKU:
- KN100604975
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 97.5
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- STREET
- MATERIAL:
- BRASS
- HEAD TYPE:
- SLOTTED
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-165
MIKUNI
$5.20Proper jetting is the foundation of carburetor tuning—get it wrong and you're leaving power on the table or running dangerously lean. These MIKUNI main jets deliver precise fuel metering for peak performance across your RPM range, ensuring your engine...KN100604165- SKU:
- KN100604165
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- JET SIZE:
- 165
- RIDING STYLE:
- SNOW
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet - 4-Pack N100604-1675
MIKUNI
$5.20Proper jetting is fundamental to carburetor performance—too lean and you risk engine damage, too rich and you sacrifice throttle response and fuel economy. This 4-pack of Mikuni main jets gives you the flexibility to dial in your air-fuel mixture across...KN1006041675- SKU:
- KN1006041675
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- JET SIZE:
- 167.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- HEAD TYPE:
- SLOTTED
$5.20 -
MIKUNI Main Jet - 4-Pack N100604-170
MIKUNI
$5.20Fine-tuning your carburetor's fuel delivery is essential for optimizing throttle response, fuel economy, and overall engine performance. A properly sized main jet ensures your bike runs at peak efficiency across the RPM band, preventing lean-running...KN100604170- SKU:
- KN100604170
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- UTV
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 170
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$5.20 -
MIKUNI Main Jet - 4-Pack N100604-175
MIKUNI
$14.55Fine-tuning your air-fuel mixture is critical to extracting maximum horsepower and throttle response from your Mikuni carburetor. This 175-jet 4-pack gives you the precision needle size needed for optimal performance across varying elevation,...KN100604175- SKU:
- KN100604175
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 175
- PRODUCT NAME:
- JET
- RIDING STYLE:
- STREET
- RIDING STYLE:
- UTV
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- UNITS:
- 4 PACK
- RIDING STYLE:
- ATV
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-180
MIKUNI
$14.55Precision fuel delivery is the foundation of carburetor tuning, and the right main jet directly controls your air-fuel ratio under load. If you're experiencing hesitation on acceleration, black smoke, or poor midrange response, a worn or incorrectly...KN100604180- SKU:
- KN100604180
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- UNITS:
- 4 PACK
- RIDING STYLE:
- UTV
- HEAD TYPE:
- SLOTTED
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- JET SIZE:
- 180
- MATERIAL:
- BRASS
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-1825
MIKUNI
$5.20If you're tuning a Mikuni carburetor for peak performance, jetting is non-negotiable—and main jets are your primary lever for controlling fuel delivery at cruise and part-throttle conditions. This 4-pack of genuine Mikuni main jets gives you the...KN1006041825- SKU:
- KN1006041825
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 182.5
$5.20Qty in Cart: 0Quantity:Price:$5.20Subtotal: -
MIKUNI Main Jet - 4-Pack N100604-185
MIKUNI
$14.55Precise fuel metering is the foundation of consistent carburetor performance, and the MIKUNI Main Jet N100604-185 delivers that reliability across a wide range of Mikuni smoothbore models. Whether you're tuning for altitude changes, engine modifications,...KN100604185- SKU:
- KN100604185
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- JET SIZE:
- 185
- RIDING STYLE:
- ATV
- RIDING STYLE:
- UTV
- TYPE:
- MAIN
- HEAD TYPE:
- SLOTTED
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- 4 PACK
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
$14.55 -
MIKUNI Main Jet - 4-Pack N100604-60
MIKUNI
$14.55Precise fuel metering is critical to carburetor performance, and a worn or incorrect main jet directly impacts throttle response, fuel economy, and engine reliability. This OEM-spec MIKUNI main jet ensures your carb delivers the exact fuel volume your...KN10060460- SKU:
- KN10060460
- Availability:
- Ships Same Business Day
- Weight:
- 0.02 LBS
- MATERIAL:
- BRASS
- RIDING STYLE:
- OFF-ROAD
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- UNITS:
- 4 PACK
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 60
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ADVENTURE TOURING / DUAL-SPORT
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
$14.55Qty in Cart: 0Quantity:Price:$14.55Subtotal: -
EBC Keihin-Style Carburetor Jet - 4-Pack KJ97.5-4
EBC
$11.17Fine-tuning your carburetor's fuel delivery is critical to achieving optimal performance and fuel efficiency across varying engine loads and conditions. The EBC Keihin-Style Carburetor Jet delivers precision-calibrated flow rates in high-quality brass...10060137- SKU:
- 10060137
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MATERIAL:
- BRASS
- MODEL:
- RD PRECISION
- RIDING STYLE:
- OFF-ROAD
- OVERALL DIAMETER IMPERIAL:
- 0.24'
- OVERALL DIAMETER METRIC:
- 6.00 MM
- RIDING STYLE:
- UTV
- BASE COLOR:
- BRASS
- HEAD TYPE:
- SLOTTED
- JET SIZE:
- 97.5
- PRODUCT NAME:
- JET
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- FEATURES:
- FOR KJ CARBURETORS
- OVERALL DIAMETER:
- 6,00 MM (0,24')
- RIDING STYLE:
- SNOW
- TYPE:
- MAIN
- UNITS:
- 4 PACK
$11.17 -
EBC Mikuni Hex Carburetor Jet Kit HJK27A
EBC
$134.96Carburetor jetting is non-negotiable for consistent engine performance across varying altitudes, temperatures, and load conditions. The EBC Mikuni HJK27A gives you precise fuel flow calibration through brass jets engineered to OEM tolerances, eliminating...10060013- SKU:
- 10060013
- Availability:
- Ships Same Business Day
- Weight:
- 1.06 LBS
- JET SIZE:
- 70 - 230
- TYPE:
- MAIN
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- UTV
- BASE COLOR:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- STREET
- HEAD TYPE:
- HEX HEAD
- MATERIAL:
- BRASS
- PRODUCT NAME:
- JET KIT
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
$134.96 -
EBC Mikuni Hex Carburetor Jet Kit HJK27B
EBC
$134.96Getting your carburetor jetting dialed in is essential for consistent performance across varying conditions—too rich and you waste fuel and foul plugs, too lean and you risk engine damage. The EBC Mikuni Hex Carburetor Jet Kit HJK27B provides a complete...10060014- SKU:
- 10060014
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- BASE COLOR:
- BRASS
- JET SIZE:
- 240 - 500
- RIDING STYLE:
- SNOW
- RIDING STYLE:
- STREET
- TYPE:
- MAIN
- MATERIAL:
- BRASS
- RIDING STYLE:
- ATV
- RIDING STYLE:
- OFF-ROAD
- UNITS:
- KIT
- RIDING STYLE:
- UTV
- HEAD TYPE:
- HEX HEAD
- PRODUCT NAME:
- JET KIT
$134.96
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.
