Best Dirt Bike JETS

Looking for the best dirt bike jets? We bring you 10 top jet kits that make tuning easy and unlock powerful performance for every ride.

The right jets make your dirt bike feel alive. Smooth throttle, strong pull, and crisp response. Every ride becomes more fun.

Choosing the best carburetor jet kit is simple when you know what fits. More sizes mean more tuning freedom.

Riders love the feeling of dialing in the perfect jet. It builds confidence and unlocks hidden power. Keep reading to find the kit that transforms your ride.

List of Top 10 Dirt Bike JETS

Title	Best For	Price
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 kit is perfect for motorcycle riders, DIY tuners, and engine enthusiasts who want the right jet sizes to fine-tune their carburetor for smoother performance. It’s made for anyone who values easy installation and a reliable fit.	View on Amazon (paid link)
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 owns a dirt bike, ATV, or go-kart and wants to improve performance. It’s easy to install and works with many models, making it ideal for upgrades.	View on Amazon (paid link)
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 motorcycle, ATV, or scooter. It’s ideal for those with PWK, Keihin, OKO, or CVK carburetors who need precise jet sizes for better performance.	View on Amazon (paid link)
CQSPMOTO 16pcs Carburetor Jet Kit Main Jets for Mikuni VM22 VM24 VM26 VM30 125cc 150cc 200cc 250cc Mini Bike Dirt Bike Pit Bike ATV Go Kart 88 90 95 98 100 105 110 115 120 125 130 135 140 145 150 155	This jet kit is perfect for bike riders, ATV owners, and Go Kart enthusiasts who want smooth performance and easy tuning. It’s made for anyone who needs reliable carburetor jets to keep their engine running strong.	View on Amazon (paid link)
YAMAKATO Aftermarket 33pcs Carburetor Jet Kit w/ 11pcs Slow Pilot Jets and 22pcs Main Jets for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Upgrade and Rebuild	This kit is perfect for bike owners, ATV riders, and Go Kart builders who want a precise carb upgrade or rebuild. It’s made for those who need reliable brass jets that fit a wide range of PWK, CVK, PE, OKO, KOSO, and more.	View on Amazon (paid link)
YGQ 43Pcs Carburetor Jet Kit for Keihin Nibbi carb Main Jet and Pilot Slow Jet 99101-393 99101-357 N424-21	This kit is perfect for dirt bike riders, ATV owners, and powersport fans who want smooth performance and easy tuning. It’s made for anyone who needs the right jet size to keep their carb running strong.	View on Amazon (paid link)
YGQ Carburetor Jet Kit for Nibbi Keihin Carb Main and Pilot Slow Jets FCR FCR-MX PJ PE PWK PWM 99101-357 N424-21 22Pcs (#95 – #140)	This kit is perfect for dirt bike riders, ATV owners, and powersport enthusiasts who want smooth performance and the right jet size for their carburetor. It’s made for anyone who needs precise tuning across many popular models.	View on Amazon (paid link)
43Pcs Carburetor Jet Kit, 32 Main Jets (Round #90-150 & Hex 100-185), 11 Pilot slow Jets (30-55), Fit for Keihin Nibbi, PWK/PE/CVK Type Carburetors for Dirt Bikes, Go Karts and Snowmobiles	This 43-piece carburetor jet kit is perfect for anyone tuning dirt bikes, go-karts, or snowmobiles. It’s ideal for riders and mechanics who need precise fuel adjustments for better engine performance.	View on Amazon (paid link)
50pcs Main Jets Slow Jets Pilot Cleaner Tool Kit Fits for PWK CVK PE Keihin OKO Carb KOSO Polini KO SCL-2018090001-3 Jet Kits Fits Honda Yamaha Kawasaki Suzuki KTM BMW Ducati Triumph Aprilia Agusta	This 50-piece jet kit is perfect for motorcycle enthusiasts who want to tune their carburetors. It’s ideal for riders of Honda, Yamaha, Kawasaki, Suzuki, KTM, BMW, Ducati, Triumph, Aprilia, and Agusta bikes.	View on Amazon (paid link)
33pcs Carburetor Jet Kit Includes 22pcs Main Jets #100 – #145 and #155 – #182, 11pcs Slow Pilot Jets #32 – #58 for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Aftermarket	This kit is perfect for bike and ATV owners who want smooth rides and better engine performance. It’s also great for DIY mechanics who love tuning carburetors with the right jet sizes.	View on Amazon (paid link)

Detailed Reviews

Here are the Top 10 Dirt Bike JETS chosen with expert care and real rider feedback. Each kit is reviewed for its features, performance, and value. You’ll see options that balance power, durability, and price. This guide makes it easy to pick the best jet kit for your ride.

1. 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 includes 11 main jets and 11 slow pilot jets. It’s designed for PWK, CVK, PE, OKO, KOSO, Stage-6, and Polini carburetors. Check your carb type before buying to ensure a perfect fit.

Made of rust-resistant brass, this kit is easy to install. It comes with various jet sizes for both main and slow pilot jets, giving you plenty of options for tuning your engine.

Pros	Cons
22-piece kit gives you plenty of options Fits many carb types for wide compatibility Brass build ensures strength and no rust Easy install with clear size markings Multiple jet sizes for perfect tuning every time	Not for VM22 carburetors, so check your model first. Brass material may wear faster under heavy use. No instructions included, installation can be tricky.

Perfect For:

This kit is perfect for motorcycle riders, DIY tuners, and engine enthusiasts who want the right jet sizes to fine-tune their carburetor for smoother performance. It’s made for anyone who values easy installation and a reliable fit.

Ready to Purchase?

View Price on Amazon (paid link)

2. 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

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 Jet Kit is a must-have for dirt bike, ATV, and go-kart enthusiasts. It includes 30 main jets and 10 slow pilot jets, offering a wide range of tuning options.

This kit is compatible with multiple carburetor brands, including Keihin, PWK, and Polini. It fits various models, from 110cc to 300cc, making it a versatile choice for performance upgrades.

Premium brass ensures durability and corrosion resistance. CNC production guarantees precise dimensions and a smooth surface. Easy to install, it boosts power and optimizes performance.

Pros	Cons
40-piece kit for wide compatibility with various carburetors. Premium brass ensures durability and corrosion resistance. Precise CNC machining for optimum performance and easy tuning. Replaces multiple parts, saving time and money.	Not universal: May not fit all carburetor models. No instructions: Requires prior knowledge for installation. Size confusion: Multiple sizes can be overwhelming for beginners.

Perfect For:

This carburetor jet kit is perfect for anyone who owns a dirt bike, ATV, or go-kart and wants to improve performance. It’s easy to install and works with many models, making it ideal for upgrades.

Ready to Purchase?

View Price on Amazon (paid link)

3. 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

Get the perfect tune for your ride with this 40PCS carburetor jet kit. Made from solid brass, it’s built for durability and precision.

You get 30 main jets and 10 slow pilot jets. Sizes are clearly marked. Installation is quick and simple.

This kit fits PWK Keihin CVK PE type carburetors and more. It’s the easy way to keep your engine running smooth.

Pros	Cons
40-piece kit for easy carburetor tuning and maintenance. High-quality brass ensures durability and performance. Wide range of jet sizes for precise fuel adjustments. Replaces multiple parts, saving time and money.	Not fit for CV, VE, or large CVK carbs Limited jet sizes may not suit all setups

Perfect For:

This 40PCS Carburetor Main Jet Slow Pilot Jet Kit is perfect for anyone tuning or repairing their motorcycle, ATV, or scooter. It’s ideal for those with PWK, Keihin, OKO, or CVK carburetors who need precise jet sizes for better performance.

Ready to Purchase?

View Price on Amazon (paid link)

4. CQSPMOTO 16pcs Carburetor Jet Kit Main Jets for Mikuni VM22 VM24 VM26 VM30 125cc 150cc 200cc 250cc Mini Bike Dirt Bike Pit Bike ATV Go Kart 88 90 95 98 100 105 110 115 120 125 130 135 140 145 150 155

CQSPMOTO 16pcs Carburetor Jet Kit Main Jets for Mikuni VM22 VM24 VM26 VM30 125cc 150cc 200cc 250cc Mini Bike Dirt Bike Pit Bike ATV Go Kart 88 90 95 98 100 105 110 115 120 125 130 135 140 145 150 155

Get the perfect carburetor tune with the CQSPMOTO 16pcs Jet Kit. It gives you 16 different sizes so you can dial in your ride with precision.

Made from high-quality copper. Built to resist rust. Designed for long-lasting use.

Fits Mikuni VM22, VM24, VM26, VM30 carburetors. Works with dirt bikes, pit bikes, ATVs, and go karts. Easy to identify with clear size markings.

Pros	Cons
16 sizes for perfect carb tuning Durable copper resists rust and wear Fits Mikuni VM22–VM26 and more bikes Easy ID with clear size markings Safer tuning with step-down jet method	Not universal fit — may not match all carburetors Manual tuning needed — requires trial and error adjustments Small parts — easy to lose during installation

Perfect For:

This jet kit is perfect for bike riders, ATV owners, and Go Kart enthusiasts who want smooth performance and easy tuning. It’s made for anyone who needs reliable carburetor jets to keep their engine running strong.

Ready to Purchase?

View Price on Amazon (paid link)

5. YAMAKATO Aftermarket 33pcs Carburetor Jet Kit w/ 11pcs Slow Pilot Jets and 22pcs Main Jets for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Upgrade and Rebuild

YAMAKATO Aftermarket 33pcs Carburetor Jet Kit w/ 11pcs Slow Pilot Jets and 22pcs Main Jets for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Upgrade and Rebuild

The YAMAKATO Aftermarket Carburetor Jet Kit is a 33-piece set designed for carburetor upgrades and rebuilds. It includes 11 slow pilot jets and 22 main jets for precise tuning.

Made from CNC-processed brass, these jets are corrosion-resistant and fit most Chinese pit bikes, dirt bikes, and scooters. They work with 125cc to 400EX motors and GY6 engines.

This kit also fits PWK, CVK, and Mikuni carb models. Check the product image to ensure the jet type matches your needs.

Pros	Cons
33-piece kit for complete carb upgrade CNC brass for strength and corrosion resistance Fits many carb models across bikes and ATVs Wide jet size range for tuning flexibility Perfect for rebuilds and performance boosts	Not universal: Doesn’t fit all models, check before buying. Specific sizes: Limited jet range, may not match your needs. Compatibility risk: Double-check images to avoid wrong order.

Perfect For:

This kit is perfect for bike owners, ATV riders, and Go Kart builders who want a precise carb upgrade or rebuild. It’s made for those who need reliable brass jets that fit a wide range of PWK, CVK, PE, OKO, KOSO, and more.

Ready to Purchase?

View Price on Amazon (paid link)

6. YGQ 43Pcs Carburetor Jet Kit for Keihin Nibbi carb Main Jet and Pilot Slow Jet 99101-393 99101-357 N424-21

The YGQ 43Pcs Carburetor Jet Kit is a must-have for tuning your powersport carburetor. It includes main jets, pilot slow jets, and hex jets in various sizes.

This kit fits many brands like Honda, Yamaha, Kawasaki, and Suzuki. It works for dirt bikes, ATVs, and motocross bikes, making it versatile and useful.

Easy to use, durable, and reliable. Perfect for improving performance.

Pros	Cons
43-piece kit for tuning carburetors on dirt bikes and ATVs. Fits Honda, Yamaha, Kawasaki, and more top brands. Includes main jets, pilot jets, and slow jets for precise tuning. Works with Keihin, Nibbi, and other popular carburetors.	No instructions included for beginners May not fit every carb model perfectly

Perfect For:

This kit is perfect for dirt bike riders, ATV owners, and powersport fans who want smooth performance and easy tuning. It’s made for anyone who needs the right jet size to keep their carb running strong.

Ready to Purchase?

View Price on Amazon (paid link)

7. YGQ Carburetor Jet Kit for Nibbi Keihin Carb Main and Pilot Slow Jets FCR FCR-MX PJ PE PWK PWM 99101-357 N424-21 22Pcs (#95 – #140)

The YGQ Carburetor Jet Kit is a 22-piece set for Nibbi Keihin carburetors. It includes main jets and pilot slow jets in various sizes. This kit is perfect for tuning your engine’s performance.

It fits many dirt bikes and ATVs from Honda, Yamaha, Kawasaki, and more. The kit works with CVK20, FCR-MX, PWK, and other carburetor models. Check the size chart in the images to pick the right variation.

This kit is easy to use and improves fuel efficiency. It’s ideal for riders who want better performance from their vehicles. Upgrade your carburetor with this reliable and versatile kit.

Pros	Cons
22 sizes for perfect tuning every time Fits Honda, Yamaha, Kawasaki, KTM, Suzuki and more Works with multiple carb models for wide compatibility Built for dirt bikes, ATVs, powersports machines Easy to install and swap jets quickly	No instructions or guides included for installation. Many sizes to choose from, confusing for beginners. Check carefully to avoid wrong size mistakes.

Perfect For:

This kit is perfect for dirt bike riders, ATV owners, and powersport enthusiasts who want smooth performance and the right jet size for their carburetor. It’s made for anyone who needs precise tuning across many popular models.

Ready to Purchase?

View Price on Amazon (paid link)

8. 43Pcs Carburetor Jet Kit, 32 Main Jets (Round #90-150 & Hex 100-185), 11 Pilot slow Jets (30-55), Fit for Keihin Nibbi, PWK/PE/CVK Type Carburetors for Dirt Bikes, Go Karts and Snowmobiles

43Pcs Carburetor Jet Kit, 32 Main Jets (Round #90-150 & Hex 100-185), 11 Pilot slow Jets (30-55), Fit for Keihin Nibbi, PWK/PE/CVK Type Carburetors for Dirt Bikes, Go Karts and Snowmobiles

Get the perfect tune for your ride with this 43-piece carburetor jet kit. It includes 32 main jets and 11 pilot slow jets for precise fuel delivery. Easy-to-read sizes make adjustments fast and simple.

Enjoy better engine response with jets built to ±0.01mm tolerance. The hex main jets lock in tight, while extended slow jets keep idle smooth. Ideal for stock or modified engines needing more fuel.

Made of durable brass, these jets resist wear and corrosion. Fits Honda, Yamaha, Kawasaki, Suzuki, KTM and more.

Pros	Cons
43-piece kit for easy carburetor tuning and better performance. Precision jets ensure smooth fuel flow and reliable engine response. Brass components resist corrosion and ensure long-lasting durability. Fits multiple brands and models for wide compatibility and versatility.	No instructions included for beginners Not all carb types may fit perfectly Requires tuning skills to use effectively

Perfect For:

This 43-piece carburetor jet kit is perfect for anyone tuning dirt bikes, go-karts, or snowmobiles. It’s ideal for riders and mechanics who need precise fuel adjustments for better engine performance.

Ready to Purchase?

View Price on Amazon (paid link)

9. 50pcs Main Jets Slow Jets Pilot Cleaner Tool Kit Fits for PWK CVK PE Keihin OKO Carb KOSO Polini KO SCL-2018090001-3 Jet Kits Fits Honda Yamaha Kawasaki Suzuki KTM BMW Ducati Triumph Aprilia Agusta

50pcs Main Jets Slow Jets Pilot Cleaner Tool Kit Fits for PWK CVK PE Keihin OKO Carb KOSO Polini KO SCL-2018090001-3 Jet Kits Fits Honda Yamaha Kawasaki Suzuki KTM BMW Ducati Triumph Aprilia Agusta

This 50pcs jet kit gives you the right size every time. It’s made with quality brass for smooth threads. Easy to install and built to last.

You get both main jets and slow pilot jets in many sizes. Perfect fit for PWK, CVK, PE, OKO, KOSO, Polini, and more.

Works with top bikes like Honda CRF, Yamaha YZF, Kawasaki Ninja, Suzuki GSX, KTM SX, BMW GS, and Ducati Monster. Wide coverage, strong performance.

Pros	Cons
50-piece kit covers all your jet needs Wide compatibility fits Honda, Yamaha, Suzuki, KTM, BMW, Ducati Durable brass build for long-lasting performance Easy install with clean, smooth threads Multiple sizes for precise carb tuning	Not universal: Doesn’t fit all carburetors, check before buying. No instructions: Comes without a guide, installation might be tricky. Brass material: May wear out faster than other metals.

Perfect For:

This 50-piece jet kit is perfect for motorcycle enthusiasts who want to tune their carburetors. It’s ideal for riders of Honda, Yamaha, Kawasaki, Suzuki, KTM, BMW, Ducati, Triumph, Aprilia, and Agusta bikes.

Ready to Purchase?

View Price on Amazon (paid link)

10. 33pcs Carburetor Jet Kit Includes 22pcs Main Jets #100 – #145 and #155 – #182, 11pcs Slow Pilot Jets #32 – #58 for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Aftermarket

33pcs Carburetor Jet Kit Includes 22pcs Main Jets #100 - #145 and #155 - #182, 11pcs Slow Pilot Jets #32 - #58 for Honda PWK Keihin OKO CVK KOSO PE PWM Yamaha Mikuni Carb Aftermarket

This 33pcs Carburetor Jet Kit gives you everything you need to fine-tune your ride. You get 22 main jets and 11 slow pilot jets, all made from solid brass for lasting performance.

It fits PWK, CVK, PE carburetors and works with brands like OKO, KOSO, Stage-6, Polini. Sizes range from #100 to #182 for main jets and #32 to #58 for slow jets. Perfect for pit bikes, dirt bikes, scooters, ATVs, and go-karts.

Easy to install. Plenty of spares included. Just check your carb type before ordering.

Pros	Cons
33PCS kit gives you all the jets you need Solid brass build for long-lasting performance Fits PWK, CVK, PE and many carb types Covers wide jet sizes for perfect tuning Works with pit bikes, scooters, ATVs, go-karts	Not compatible with CV, VE, CVK carbs above 3cm Limited fit—must check images before ordering No extras beyond jets included

Perfect For:

This kit is perfect for bike and ATV owners who want smooth rides and better engine performance. It’s also great for DIY mechanics who love tuning carburetors with the right jet sizes.

Ready to Purchase?

View Price on Amazon (paid link)

Buying Guide

Dirt bike jets make your ride feel alive. Smooth throttle, strong pull, and crisp response. Every ride becomes more fun.

Choosing the best carburetor jet kit is simple when you know what fits. Riders love the feeling of dialing in the perfect jet. It builds confidence and unlocks hidden power.

Here’s what to consider when buying:

Carburetor Type: Check your carburetor model (PWK, CVK, Mikuni, etc.). The kit must match your carb type for a perfect fit.
Jet Sizes: More sizes mean more tuning freedom. Choose a kit with a wide range of main and pilot jets.
Material: Look for rust-resistant brass or copper. These materials ensure durability and corrosion resistance.
Compatibility: Ensure the kit fits your bike’s make and model (Honda, Yamaha, Kawasaki, etc.).
Ease of Installation: Kits with clear markings and simple designs make tuning easier.
Performance Needs: Decide if you need more power, better fuel efficiency, or smoother idle.
Brand Reputation: Trusted brands like YAMAKATO, XIKOBY, and YGQ offer reliable kits.

Find the right kit, and your dirt bike will thank you. Happy tuning!