
$9.78
Ships from TX, United States.
Ships from TX, United States.
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Want extra peace of mind? Even if a seller doesn't offer returns,
MX Locker gives you the option to make any item returnable with Return Assurance at checkout.
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Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
MX Locker is 100% committed to ensuring that every sale ends in satisfaction—for both buyer and seller. Your payment is held until the item is delivered and approved. If it's not as described, you'll receive a full refund.
Every transaction is backed by our secure payment system. We hold funds until you confirm the item arrived in the promised condition—so you can shop worry-free.
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Shipping Policy
Fast Shipping
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Return Policy
30-Day Returns
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This is a genuine OEM KTM main jet, size 490. It is a critical component within the carburetor assembly responsible for regulating the amount of fuel entering the engine at high throttle openings. By controlling the fuel delivery rate, this jet ensures the correct air-fuel mixture for optimal engine combustion and performance. Precision-engineered to strict factory specifications, it ensures consistent fuel flow characteristics essential for engine reliability. Please verify fitment for your specific application before purchasing.
Key Features
Why Choose KTM 55431029490 - Main Jet 490?
Choosing a genuine OEM main jet ensures your carburetor operates with the precise fuel metering specified by the engine manufacturer, maintaining optimal performance and protecting your engine from incorrect fuel mixtures.
Specifications
| Brand | KTM |
| Part Number | 55431029490 |
| Condition | NEW |
| Notes/Other | Verify the jet size required for your specific carburetor setup and altitude adjustments. Professional installation and tuning are recommended when working with fuel delivery components. |
This part fits the following vehicles:
| Make | Year | Model |
|---|---|---|
| KTM | 2022 | 125 XC |
| KTM | 2021 | 125 XC |
| KTM | 2019 | 150 XC-W |
| KTM | 2019 | 250 XC |
| KTM | 2019 | 300 XC |
| KTM | 2018 | 150 XC-W |
| KTM | 2018 | 250 XC |
| KTM | 2018 | 250 XC-W |
| KTM | 2018 | 300 XC |
| KTM | 2018 | 300 XC-W |
| KTM | 2018 | 300 XC-W SIX DAYS |
| KTM | 2017 | 150 SX |
| KTM | 2017 | 150 XC-W |
| KTM | 2017 | 250 XC |
| KTM | 2017 | 250 XC-W |
| KTM | 2017 | 300 XC |
| KTM | 2017 | 300 XC-W |
| KTM | 2017 | 300 XC-W SIX DAYS |
Please verify fitment with your specific vehicle before purchasing.
Policies
Shipping Policy
Items ship within 1-2 business days.
Return Policy
Returns accepted within 30 days.
SLM Racing
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Compatible with 27 KTM vehicle(s)Responds within 3 hours.
Ships within 3 business days.
Items match their descriptions.
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