Looking for the best carburetor slow pilot jets to upgrade your ride? We’ve researched and compiled a list of top picks and expert tips to help you find the perfect fit for smoother starts and better fuel efficiency.
Carburetor slow pilot jets are small but mighty parts that make a big difference in your engine’s performance. They help your engine start smoothly and run efficiently, especially at low speeds. Whether you’re tuning a dirt bike, ATV, or motorcycle, the right slow pilot jet is key to success.
Choosing the best carburetor slow pilot jets can feel overwhelming with so many options. But don’t worry—we’ve done the research for you. This guide will help you find the perfect fit for your vehicle, so you can enjoy better throttle response and fuel efficiency.
Ready to upgrade your ride? Let’s dive into the top picks and expert tips to make your engine perform like never before.
List of Top 10 Carburetor Slow Pilot Jets
| Image | Title | Best For | Price |
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40PCS Carburetor Main Jet Slow Pilot Jet Kit for PWK Keihin OKO CVK Crab,Replace #SCL-2018090002-ZH-T-01/02 SCL-2018090001/03-ZH-T-01 |
This 40PCS Carburetor Main Jet Slow Pilot Jet Kit is perfect for anyone tuning or repairing their carburetor. It’s ideal for PWK, Keihin, OKO, and CVK carburetors, offering high-quality brass jets for better performance. |
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Strongthium Pilot Jet Slow Jet Kit for Mikuni RS HSR HS TM Carburetors VM28/486 10# ~ 42.5# |
This Strongthium Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts who need precise carburetor tuning. It’s ideal for Mikuni carb users looking to improve performance on classic Kawasaki and Suzuki models. |
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14PCS Pilot Jet Slow Jet Kit for Mikuni Carburetor RS 34 36 38 HS 40 HSR HS TM33-8012 TM36-68 VM28/486 10# ~ 42.5# |
This 14PCS Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts who want to boost their bike’s performance. It’s ideal for riders with Mikuni carburetors looking to improve throttle response and engine efficiency. |
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YGQ Carburetor Jet Kit for Mikuni Main & Pilot Slow Jet 42 Pcs N100.604 VM28/486 VM4/042 VM22/210 |
This YGQ Carburetor Jet Kit is perfect for anyone who needs to tune or repair their Mikuni carburetor. It’s great for owners of Honda, Suzuki, Kawasaki, Yamaha, or Polaris vehicles with compatible carbs. |
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XIKOBY 40PCS Carburetor Main Jet Slow Pilot Jet Kit Compatible with Keihin PE PWK CVK OKO KOSO Polini Carb Dirt Bike ATV Quad 4 Wheeler Go Kart, Include 30PCS Main Jet and 10PCS Pilot Jet Accessories |
This carburetor jet kit is perfect for anyone who wants to boost their vehicle’s performance. Whether you have a dirt bike, ATV, go kart, or scooter, this kit helps you tune your engine for better power and efficiency. |
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YAMAKATO Aftermarket 22pcs Carburetor Jet Kit w/11 Main Jets and 11 Slow Jet for Nibbi Honda PWK Keihin Yamaha OKO CVK PWM Type |
This YAMAKATO Carburetor Jet Kit is perfect for motorcycle enthusiasts who need to tune their carburetors. It’s ideal for those with PWK, CVK, or similar types who want reliable, rust-free parts that are easy to install. |
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40 Pcs Carburetor Main Jet Slow Pilot Jet Kit – Fit for PWK Keihin OKO CVK Crab, Includes 30Pcs Main Jets and 10Pcs Slow Pilot Jet – Replace SCL-2018090002-ZH-T-01/02 SCL-2018090001/03-ZH-T-0101 |
This 40 Pcs Carburetor Main Jet Slow Pilot Jet Kit is perfect for anyone who needs to replace or upgrade their carburetor jets. Whether you’re a DIY enthusiast or a professional mechanic, this kit offers wide compatibility and durable, high-quality parts for a reliable performance. |
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YGQ 30 Pcs Carburetor Main Jet and Pilot Slow Jet Kit for Mikuni Large Round N100.604 & VM28/486 |
This YGQ 30 Pcs Carburetor Main Jet and Pilot Slow Jet Kit is perfect for motorcycle enthusiasts who need precise tuning for their Mikuni carburetors. It’s ideal for riders with Suzuki, Kawasaki, or Yamaha bikes looking to improve performance and fuel efficiency. |
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Strongthium 42 Pcs Carburetor Jet Kit for Mikuni Main & Pilot Slow Jet N100.604 VM28/486 VM4/042 VM22/210 |
This Strongthium 42 Pcs Carburetor Jet Kit is perfect for anyone tuning or repairing Mikuni carburetors. It’s ideal for 2-stroke and 4-stroke engines in street bikes, ATVs, and offroad vehicles. |
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Strongthium 30 Pcs Main Jet and Pilot Slow Jet Kit for Mikuni carburetor Large Round N100.604 & VM28/486 |
This Strongthium jet kit is perfect for motorcycle enthusiasts who want to tune their Mikuni carburetors. It’s ideal for Suzuki, Kawasaki, and Yamaha bikes, offering precise fuel adjustments for better performance. |
Detailed Reviews
Discover the top 10 Carburetor Slow Pilot Jets in this expert-curated guide. Each product is thoroughly reviewed for performance, durability, and value. Whether you need smooth engine operation or affordable upgrades, this guide has you covered. Find the perfect fit for your needs and take your ride to the next level!
1. 40PCS Carburetor Main Jet Slow Pilot Jet Kit for PWK Keihin OKO CVK Crab,Replace #SCL-2018090002-ZH-T-01/02 SCL-2018090001/03-ZH-T-01

This 40-piece carburetor jet kit is a must-have for anyone working on PWK Keihin CVK PE type carburetors. It includes 30 main jets and 10 slow pilot jets, all made from high-quality solid brass. These jets are designed to fit a variety of carburetors, ensuring a perfect match for your needs.
The slow pilot jets come in sizes ranging from 32 to 55, with a 6 x 0.75 mm thread pitch. The main jets are available in two sets, covering sizes from 100 to 178, and are compatible with PWK 21mm-42mm carburetors. Note: These jets are not suitable for CV, VE, or CVK carburetors above 3cm.
With this kit, you’ll have the right tools to fine-tune your carburetor’s performance. The precise sizing and durable materials ensure a reliable and efficient upgrade. Get ready to experience smoother engine operation and improved fuel efficiency with this comprehensive jet kit.
| Pros | Cons |
|---|---|
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Perfect For:
This 40PCS Carburetor Main Jet Slow Pilot Jet Kit is perfect for anyone tuning or repairing their carburetor. It’s ideal for PWK, Keihin, OKO, and CVK carburetors, offering high-quality brass jets for better performance.
Ready to Purchase?
2. Strongthium Pilot Jet Slow Jet Kit for Mikuni RS HSR HS TM Carburetors VM28/486 10# ~ 42.5#

The Strongthium Pilot Jet Slow Jet Kit is a must-have for Mikuni carburetor owners. It works with many models, like HS, HSR, RS, and TM. This kit has 14 sizes, from 10# to 42.5#.
It fits Kawasaki and Suzuki bikes from the 1970s. Check your carburetor type and size before buying. The product images show all size options.
This kit is easy to use and improves performance. It’s perfect for tuning your carburetor. Get the right size for your bike today!
| Pros | Cons |
|---|---|
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Perfect For:
This Strongthium Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts who need precise carburetor tuning. It’s ideal for Mikuni carb users looking to improve performance on classic Kawasaki and Suzuki models.
Ready to Purchase?
3. 14PCS Pilot Jet Slow Jet Kit for Mikuni Carburetor RS 34 36 38 HS 40 HSR HS TM33-8012 TM36-68 VM28/486 10# ~ 42.5#

This 14-piece Pilot Jet Slow Jet Kit is designed for Mikuni Carburetors. It fits models like RS 34, 36, 38, HS 40, HSR, and TM33-8012. Perfect for upgrading your carburetor’s performance.
Includes slow jet sizes from 10 to 42.5. Works with Kawasaki, Suzuki, and Yamaha models. Check the product images for the right size.
Improves throttle response and engine performance. Ensures your carburetor runs smoothly in all conditions. A must-have upgrade for better riding.
| Pros | Cons |
|---|---|
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Perfect For:
This 14PCS Pilot Jet Slow Jet Kit is perfect for motorcycle enthusiasts who want to boost their bike’s performance. It’s ideal for riders with Mikuni carburetors looking to improve throttle response and engine efficiency.
Ready to Purchase?
4. YGQ Carburetor Jet Kit for Mikuni Main & Pilot Slow Jet 42 Pcs N100.604 VM28/486 VM4/042 VM22/210

The YGQ Carburetor Jet Kit is a 42-piece set designed for Mikuni carburetors. It includes main jets, pilot jets, and slow jets for precise tuning. This kit works with 2-stroke and 4-stroke engines.
It fits Honda, Suzuki, Kawasaki, Yamaha, and Polaris models. The kit is compatible with many Mikuni carburetors, including VM, TM, and TMX series. Use it for street, ATV, and offroad vehicles.
With large round and hex main jets, you can fine-tune performance. The pilot and slow jets ensure smooth idling and acceleration. This kit is perfect for upgrading or repairing your carburetor.
| Pros | Cons |
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Perfect For:
This YGQ Carburetor Jet Kit is perfect for anyone who needs to tune or repair their Mikuni carburetor. It’s great for owners of Honda, Suzuki, Kawasaki, Yamaha, or Polaris vehicles with compatible carbs.
Ready to Purchase?
5. XIKOBY 40PCS Carburetor Main Jet Slow Pilot Jet Kit Compatible with Keihin PE PWK CVK OKO KOSO Polini Carb Dirt Bike ATV Quad 4 Wheeler Go Kart, Include 30PCS Main Jet and 10PCS Pilot Jet Accessories

The XIKOBY 40PCS Carburetor Main Jet Slow Pilot Jet Kit is a must-have for anyone looking to upgrade their dirt bike, ATV, or go kart. It’s compatible with many carburetor brands like Keihin, PWK, and Polini, making it a versatile choice.
This kit includes 30 main jets and 10 slow pilot jets, offering a wide range of sizes for precise tuning. It’s perfect for 110cc-300cc vehicles, ensuring optimum performance and more power.
Made of premium brass, it’s durable and corrosion-resistant. CNC production ensures smooth surfaces and exact dimensions. Easy to install, it’s a great replacement for your carburetor needs.
| Pros | Cons |
|---|---|
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Perfect For:
This carburetor jet kit is perfect for anyone who wants to boost their vehicle’s performance. Whether you have a dirt bike, ATV, go kart, or scooter, this kit helps you tune your engine for better power and efficiency.
Ready to Purchase?
6. YAMAKATO Aftermarket 22pcs Carburetor Jet Kit w/11 Main Jets and 11 Slow Jet for Nibbi Honda PWK Keihin Yamaha OKO CVK PWM Type

The YAMAKATO Aftermarket 22pcs Carburetor Jet Kit is a must-have for tuning your carburetor. It includes 11 main jets and 11 slow jets, giving you plenty of options. This kit works with PWK, CVK, and PE carburetors.
Made of durable brass, these jets are rust-resistant and easy to install. Check your engine model before buying to ensure a perfect fit.
The slow jets range from 32 to 58, and the main jets from 100 to 145. This kit is ideal for fine-tuning performance and improving efficiency.
| Pros | Cons |
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Perfect For:
This YAMAKATO Carburetor Jet Kit is perfect for motorcycle enthusiasts who need to tune their carburetors. It’s ideal for those with PWK, CVK, or similar types who want reliable, rust-free parts that are easy to install.
Ready to Purchase?
7. 40 Pcs Carburetor Main Jet Slow Pilot Jet Kit – Fit for PWK Keihin OKO CVK Crab, Includes 30Pcs Main Jets and 10Pcs Slow Pilot Jet – Replace SCL-2018090002-ZH-T-01/02 SCL-2018090001/03-ZH-T-0101

This 40-piece carburetor jet kit includes 30 main jets and 10 slow pilot jets. It fits PWK, Keihin, OKO, CVK, and more. Perfect for tuning your carburetor.
The slow pilot jets come in sizes 32 to 55. The main jets range from 100 to 140. These varied sizes ensure wide compatibility.
Made from high-quality brass, these jets are durable and defect-free. They offer reliable replacements for your carburetor needs.
| Pros | Cons |
|---|---|
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Perfect For:
This 40 Pcs Carburetor Main Jet Slow Pilot Jet Kit is perfect for anyone who needs to replace or upgrade their carburetor jets. Whether you’re a DIY enthusiast or a professional mechanic, this kit offers wide compatibility and durable, high-quality parts for a reliable performance.
Ready to Purchase?
8. YGQ 30 Pcs Carburetor Main Jet and Pilot Slow Jet Kit for Mikuni Large Round N100.604 & VM28/486

The YGQ 30 Pcs Carburetor Main Jet and Pilot Slow Jet Kit is perfect for Mikuni Large Round N100.604 & VM28/486 carburetors. It includes 20 main jets and 10 pilot slow jets in various sizes. These jets help fine-tune your engine’s performance for better fuel efficiency and power.
This kit fits many popular motorcycle models, including Suzuki, Kawasaki, and Yamaha. It’s also compatible with Mikuni HS40, HSR42, and TM33 carburetors, making it a versatile choice for riders.
The aftermarket jets are designed for Mikuni VM16, VM29, and TM33 pumper carburetors. They work with needle jet series like 171, 188, and 723, ensuring smooth and reliable performance for your bike.
| Pros | Cons |
|---|---|
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Perfect For:
This YGQ 30 Pcs Carburetor Main Jet and Pilot Slow Jet Kit is perfect for motorcycle enthusiasts who need precise tuning for their Mikuni carburetors. It’s ideal for riders with Suzuki, Kawasaki, or Yamaha bikes looking to improve performance and fuel efficiency.
Ready to Purchase?
9. Strongthium 42 Pcs Carburetor Jet Kit for Mikuni Main & Pilot Slow Jet N100.604 VM28/486 VM4/042 VM22/210

The Strongthium 42 Pcs Carburetor Jet Kit is a must-have for tuning your engine. It works with Mikuni carbs and fits many 2-stroke and 4-stroke vehicles. This kit has main jets, pilot jets, and more.
It’s compatible with Suzuki, Kawasaki, Yamaha, Honda, and Polaris. The kit includes large round and hex main jets in various sizes. It also has VM and TM pilot jets for precise tuning.
This kit is perfect for street, ATV, and offroad use. It works with needle jet series like 171, 188, and 196. Upgrade your ride with this reliable and versatile kit.
| Pros | Cons |
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Perfect For:
This Strongthium 42 Pcs Carburetor Jet Kit is perfect for anyone tuning or repairing Mikuni carburetors. It’s ideal for 2-stroke and 4-stroke engines in street bikes, ATVs, and offroad vehicles.
Ready to Purchase?
10. Strongthium 30 Pcs Main Jet and Pilot Slow Jet Kit for Mikuni carburetor Large Round N100.604 & VM28/486

The Strongthium 30 Pcs Main Jet and Pilot Slow Jet Kit is a must-have for anyone working with Mikuni carburetors. It includes a wide range of jet sizes to fine-tune your engine’s performance.
This aftermarket kit fits many Mikuni models, like VM28/486 and N100.604. It’s also compatible with bikes from Suzuki, Kawasaki, and Yamaha, making it versatile for different needs.
Easy to use, durable, and reliable. Perfect for smooth engine operation.
| Pros | Cons |
|---|---|
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Perfect For:
This Strongthium jet kit is perfect for motorcycle enthusiasts who want to tune their Mikuni carburetors. It’s ideal for Suzuki, Kawasaki, and Yamaha bikes, offering precise fuel adjustments for better performance.
Ready to Purchase?
Buying Guide
Carburetor slow pilot jets are small but mighty parts that make a big difference in your engine’s performance. Choosing the right one can feel overwhelming, but this guide will help you find the perfect fit.
Factors to Consider When Buying Carburetor Slow Pilot Jets:
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Compatibility:
Make sure the jets match your carburetor type and vehicle model. Check the brand and size before buying. -
Jet Sizes:
Choose a kit with a range of sizes to fine-tune your engine. This ensures better throttle response and fuel efficiency. -
Material Quality:
Look for jets made from durable materials like brass. They are corrosion-resistant and last longer. -
Ease of Installation:
Pick a kit that is easy to install. This saves time and makes upgrades hassle-free. -
Vehicle Type:
Consider your vehicle’s use, like dirt bikes, ATVs, or motorcycles. The right jets improve performance in all conditions. -
Brand Reputation:
Choose kits from trusted brands known for quality and reliability. This ensures a smooth engine operation. -
Price and Value:
Compare prices and look for kits that offer great value. A comprehensive kit saves money in the long run.
With these tips, you’ll find the best carburetor slow pilot jets for your ride. Upgrade your engine and enjoy smoother starts and better efficiency today!