Best Powersports Fuel Jet Systems of 2026

Robert Reyes Avatar
Robert Reyes
Last Updated: Jan 10, 2026

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Powersports fuel jet systems are essential components of high-performance motorcycles, ATVs, and other powersports vehicles. These systems provide the necessary fuel to the engine to ensure it operates at peak efficiency and power. Powersports fuel jet systems are designed to work seamlessly with specific models and brands of powersports vehicles, ensuring optimal performance and reliability. With a range of options available, including carburetor jets, fuel injection jets, and more, riders can choose the perfect system to meet their needs and take their powersports experience to the next level.

At a Glance: Our Top Picks

YAMAKATO Carburetor Jet Kit for Predator 212cc and GX160/200 Engines Cover #TOP 1
YAMAKATO Carburetor Jet Kit for Predator 212cc and GX160/200 Engines
ftb score rating icon 9.9
Strongthium Main Jet Kit for Mikuni VM TM Carburetors Cover #TOP 2
Strongthium Main Jet Kit for Mikuni VM TM Carburetors
ftb score rating icon 9.8
Strongthium Main Jet Kit for Mikuni Carburetors Cover #TOP 3
Strongthium Main Jet Kit for Mikuni Carburetors
ftb score rating icon 9.6

Top 10 Powersports Fuel Jet Systems

#TOP 1

YAMAKATO Carburetor Jet Kit for Predator 212cc and GX160/200 Engines

GX160
212cc Jet
YAMAKATO Carburetor Jet Kit for Predator 212cc and GX160/200 Engines Cover
YAMAKATO Aftermarket Carburetor Jet Kit for Predator 212 cc Hemi or Non Hemi 032 033 034 035 036 037 038 and 140 E-Tube, Also for 196cc GX160 GX200……

The YAMAKATO Carburetor Jet Kit is designed for Honda GX140, GX160, GX200, and Clone engines, such as Predator, Coleman, Tillotson, Mega Moto, Baja Warrior, Baja Heat, Massimo 212cc, 196cc Ct200u, Bt200x, Mb200, Lifan greyhound, etc. It comes with a GX140 emulsion tube and 7 new main jets (.032" .033" .034" .035" .036" .037" .038") to upgrade your motor to stage 1. The kit provides better performance through the RPM range by offering a wider range of main jet sizes. The users can find the best jet for their engine by testing the main jet one by one.

What We Like
Wider range of main jet sizes for better engine performance
Compatible with various Honda GX and Clone engines
Comes with GX140 emulsion tube and 7 new main jets
#TOP 2

Strongthium Main Jet Kit for Mikuni VM TM Carburetors

VM4/042
350# ~ 460#
Strongthium Main Jet Kit for Mikuni VM TM Carburetors Cover
Strongthium Main Jet Kit for Mikuni VM TM Carburetors Large Hex VM4/042 350# ~ 460#

The Strongthium Mikuni Jet Kit is designed to fit a wide range of Mikuni VM and TM carburetors, making it a versatile choice for many motorcycles and ATVs. This kit works well with both 2-stroke and 4-stroke engines used in street and offroad vehicles, providing you with flexibility for different applications. It covers many popular carburetor models, but it’s important to note it’s not compatible with Flat-Slide TMX or TMR carburetors, so double-check your carburetor type. The variety of jet sizes included lets you fine-tune your engine’s fuel mixture for better performance and efficiency, giving you control over your bike’s response and power.

What We Like
Wide carburetor compatibility
Fits 2-stroke and 4-stroke engines
Includes multiple jet sizes
Suitable for street and offroad use
#TOP 3

Strongthium Main Jet Kit for Mikuni Carburetors

N100.604
#132.5 ~ #170
Strongthium Main Jet Kit for Mikuni Carburetors Cover
Strongthium Main Jet Kit for Mikuni HS HSR RS TM VM VM22 VM24 VM26 Carburetors Large Round N100.604#132.5 ~ #170

The Strongthium Mikuni Jet Kit offers a versatile set of aftermarket jets designed to fit a wide variety of Mikuni carburetors, including popular models like VM, TM, RS, and HSR series. This kit allows you to easily replace or upgrade your carburetor jets, improving fuel delivery and engine performance. It supports various Mikuni carburetors with different slide types and accelerator pumps, giving you flexibility for tuning. Plus, the kit includes many sizes to match your specific needs, making it a convenient option for street bikes, ATVs, and off-road vehicles.

What We Like
Wide Mikuni compatibility
Multiple jet sizes included
Supports various carburetor types
Improves fuel tuning options
#TOP 4

TUSK Cold Start Jet Kit for Yamaha TTR 110E

TUSK
187-347-0020079e-f32a9f
TUSK Cold Start Jet Kit for Yamaha TTR 110E Cover
TUSK Cold Start Jet Kit for Yamaha TTR 110E 2008-2009,2011-2024

The TUSK Cold Start Jet Kit is designed to help you get your Yamaha TTR 110E started easily, especially in cold conditions or when the bike struggles to idle. By improving the fuel flow, this kit reduces the time you need to use the choke, making your rides smoother and more efficient. It also boosts your bike’s power, giving you better performance on your adventures. The kit includes a 100 Main Jet and a 15 Pilot Jet, which are essential for fine-tuning your bike’s fuel system to keep it running strong and responsive.

What We Like
Improves cold starting
Reduces choke time
Enhances bike power
Includes main and pilot jets
#TOP 5

Tusk Cold Start Jet Kit for Kawasaki KLX140 Series

TUSK
187-347-0025566a-633b96
One Size
Tusk Cold Start Jet Kit for Kawasaki KLX140 Series Cover
Tusk Cold Start Jet Kit Compatible with Kawasaki KLX140R F/L 2021-2025/KLX140/L 2008-2020

The Tusk Cold Start Jet Kit is designed specifically for Kawasaki KLX140 models from 2008 to 2025. This kit helps you start your bike more easily in cold weather by improving fuel delivery during cold starts. It is a great addition if you want smoother and quicker engine ignition on chilly mornings. However, keep in mind that this product is not CARB compliant, so it may not meet certain emissions standards. If you’re looking for a reliable way to enhance your bike’s cold start performance, the Tusk Cold Start Jet Kit can be a helpful upgrade to consider.

What We Like
Improves cold engine starts
Compatible with Kawasaki KLX140
Enhances fuel delivery
Easy installation
#TOP 6

Tusk Cold Start Jet Kit for Yamaha TTR125LE

TUSK
187-347-00215728-2cc13b
Tusk Cold Start Jet Kit for Yamaha TTR125LE Cover
Tusk Cold Start Jet Kit Compatible with Yamaha TTR125LE 2003-2025

The Tusk Jet Kit is designed specifically for Yamaha TTR125LE models from 2003 to 2025. This kit helps improve the cold starting performance of your bike, making it easier to start in cooler temperatures or after the bike has been sitting for a while. By adjusting the fuel delivery, it ensures smoother engine startup, saving you time and frustration. While it is a powerful upgrade for your bike’s fuel system, keep in mind it is not CARB compliant, which means it may not meet certain emissions standards. Overall, the Tusk Jet Kit enhances your riding experience by improving reliability during cold starts.

What We Like
Improves cold starts
Compatible with Yamaha TTR125LE
Enhances fuel delivery
Easy engine startup
#TOP 7

Conduction Assy Flush Fitting Compatible with Yamaha

67X-E2590-00-00
Black
1.25 inches
Conduction Assy Flush Fitting Compatible with Yamaha Cover
Conduction Assy Flush Fitting 67X-E2590-00-00 Compatible with Yamaha EX FX FZR,Jet Boat 212 242 AR190 AR192 242LTD 212X 210FSH

The AIB2C Conduction Flush Fitting is a high-quality aftermarket product designed specifically for Yamaha watercraft models. It includes 2 pieces and is manufactured to meet the specifications and function of the original part. The application-specific design ensures a perfect fit, and the durable construction provides reliable performance. With this flush fitting, you can easily flush out the conduction system of your Yamaha EX, FX, FZR, Jet Boat 212, 242, AR190, AR192, 242LTD, 212X, and 210FSH. Flushing the conduction system is important for maintaining optimal performance and preventing any clogs or blockages. Upgrade your watercraft with the AIB2C Conduction Flush Fitting for improved functionality and peace of mind.

What We Like
Aftermarket Yamaha part
Application-specific design
Durable construction
#TOP 8

TUSK Cold Start Jet Kit for Yamaha TTR 50E

TUSK
187-347-0019d8ba-ea906f
TUSK Cold Start Jet Kit for Yamaha TTR 50E Cover
Tusk Cold Start Jet Kit Compatible with Yamaha TTR 50E 2006-2025

The TUSK Jet Kit is designed for Yamaha TTR 50E models from 2006 to 2025, helping you improve your bike’s cold start performance. This kit is especially useful when starting your bike in cooler conditions, making it easier and faster to get going. While it is not CARB compliant, meaning it doesn’t meet California’s strict emissions standards, it’s a great option for riders outside of those regulations looking to boost their bike’s starting reliability. With this TUSK Jet Kit, you get a simple and effective upgrade to enhance your powersports fuel system.

What We Like
Improves cold starts
Compatible with Yamaha TTR 50E
Easy fuel system upgrade
Suitable for wide model range
#TOP 9

TUSK Cold Start Jet Kit for Yamaha TTR125LE

TUSK
187-347-00215728-9b99c7
TUSK Cold Start Jet Kit for Yamaha TTR125LE Cover
TUSK Cold Start Jet Kit for Yamaha TTR125LE 2003-2009,2011-2022

The TUSK Jet Kit is designed to improve the performance of Yamaha TTR125LE models from 2003 to 2022, particularly for those that struggle with starting or idling. This kit helps reduce choke run times, allowing for faster starts and smoother idling, which means less frustration for you. With a 107.5 Mikuni main jet and a 17.5 Mikuni pilot jet, you can expect enhanced power and efficiency from your bike. This means you can enjoy a more responsive ride while minimizing the hassle of cold starts.

What We Like
Improves cold starting
Enhances engine performance
Reduces choke run times
Boosts power efficiency
#TOP 10

Aupoko Carburetor Jet Kit for Predator and Honda GX Series

GX140 pilot jet
Aupoko Carburetor Jet Kit for Predator and Honda GX Series Cover
Aupoko Carburetor Main Jet Kit for Predator 212cc 196cc Hemi or Non Hemi 032 033 034 035 036 037 038 Carb Main Jet, for Honda GX160 GX200 GX270 GX390 Baja Clones Mini Bike Go Kart Carb

The Aupoko Carburetor Jet Kit is designed to fit popular engines like the Honda GX140, GX160, GX200, and their clones, including Predator and Baja models. It comes with a set of main jets and a pilot jet, giving you options to fine-tune your engine’s fuel flow for smoother performance. Made from durable brass, these jets are built to last and are easy to install thanks to precise threading. The kit helps regulate the air and fuel mixture, which is especially useful if you’ve upgraded your air filter or exhaust and noticed engine issues. You can test each jet size to find the perfect match for your engine’s needs.

What We Like
Wide jet size range
Durable brass material
Easy installation
Improves engine performance
Compatible with many engines
Buying Guide Image
Editor's Notes

During our powersports fuel jet system research, we found 24 powersports fuel jet system products and shortlisted 10 quality products. We collected and analyzed 4,834 customer reviews through our big data system to write the powersports fuel jet systems list. We found that most customers choose powersports fuel jet systems with an average price of $15.39.

The powersports fuel jet systems are available for purchase. We have researched hundreds of brands and picked the top brands of powersports fuel jet systems, including YAMAKATO, Strongthium, TUSK, AIB2C, Aupoko. The seller of top 1 product has received honest feedback from 892 consumers with an average rating of 5.0.

Written by
Robert Reyes Avatar

Robert Reyes is a dedicated writer from San Francisco with a bachelor of degree in mechanics and a bachelor of degree in marketing. He focuses on making some complicated topics simple and enjoys explaining complex and technical things in an easy-to-understand way.