New to Powersport Superstore? Try our Year-Make-Model search and find the right parts for your ride by clicking "My Garage" on the upper-right! ➡

Fuel & Air - Jets - Main Jets

581 products
Powersport Superstore is your go-to source for Fuel & Air - Jets - Main Jets and related parts. Shop our unbeatable selection of Main Jets with top-tier service, fast shipping, and great prices.
Brand Show all Brand
Vehicle Type Show all Vehicle Type
Price
  • -
Show all Price
Vehicle Fitment Combos Show all Vehicle Fitment Combos
Mikuni VM11/22-175 Large Thread Main Jet (VM11/22) - 175
$28.67
$28.67
Large thread main jet.
19% Off
Mikuni 4/042-450 Large Hex Main Jet (4/042) for VM & TM Carburetor - 450
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
14% Off
Mikuni N100.604-152.5 Large Round Main Jet (N100.604) for RS, HSR & TM Carburetor - 152.5
$16.95
$16.95
$19.80
Large round main jet.
Mikuni VM11/22-105 Large Thread Main Jet (VM11/22) - 105
$28.67
$28.67
Large thread main jet.
14% Off
Mikuni N102.221-90 Small Round Main Jet (N102.221) for SBN Carburetor - 90
$16.95
$16.95
$19.80
High speed jet for Super BN.
19% Off
Mikuni 4/042-640 Large Hex Main Jet (4/042) for VM & TM Carburetor - 640
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
19% Off
Mikuni 4/042-105 Large Hex Main Jet (4/042) for VM & TM Carburetor - 105
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
19% Off
Mikuni 4/042-260 Large Hex Main Jet (4/042) for VM & TM Carburetor - 260
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
Mikuni VM11/22-85 Large Thread Main Jet (VM11/22) - 85
$28.67
$28.67
Large thread main jet.
19% Off
Mikuni 4/042-185 Large Hex Main Jet (4/042) for VM & TM Carburetor - 185
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
19% Off
Mikuni 4/042-70 Large Hex Main Jet (4/042) for VM & TM Carburetor - 70
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
14% Off
Mikuni N100.604-87.5 Large Round Main Jet (N100.604) for RS, HSR & TM Carburetor - 87.5
$16.95
$16.95
$19.80
Large round main jet.
Mikuni VM11/22-82.5 Large Thread Main Jet (VM11/22) - 82.5
$28.67
$28.67
Large thread main jet.
14% Off
Mikuni N102.221-97.5 Small Round Main Jet (N102.221) for SBN Carburetor - 97.5
$16.95
$16.95
$19.80
High speed jet for Super BN.
Mikuni VM11/22-77.5 Large Thread Main Jet (VM11/22) - 77.5
$24.17
$24.17
Large thread main jet.
14% Off
Mikuni N102.221-155 Small Round Main Jet (N102.221) for SBN Carburetor - 155
$16.95
$16.95
$19.80
High speed jet for Super BN.
19% Off
Mikuni 4/042-400 Large Hex Main Jet (4/042) for VM & TM Carburetor - 400
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
19% Off
Mikuni 4/042-380 Large Hex Main Jet (4/042) for VM & TM Carburetor - 380
$16.95
$16.95
$20.80
Large hex type used in most Mikuni Carburetors.
Secure, Trusted, and Encrypted

Protected by industry-leading 256-bit SSL encryption and backed by Shopify’s PCI DSS–compliant infrastructure. Every page, click, and transaction is encrypted and monitored for threats — so you can shop with confidence knowing your data stays protected.

Parts for Every Machine

We stock aftermarket parts, gear and accessories for motorcycles, ATVs, UTVs, snowmobiles, personal watercraft, and even performance cars — all backed by expert support and live inventory.

Real-Time Fitment Accuracy

Search by Year, Make, and Model with confidence. Our proprietary vehicle fitment system ensures you’re only shown what fits — no guesswork, no returns — just parts that fit.

Fast, Trackable Shipping

We ship from over 20 U.S. warehouses — often same or next business day. Every order includes tracking and transparent fulfillment updates from start to finish, all processed through a secure, encrypted checkout.

Quick Links

Ride With Us. Stay Connected.

Follow us for real-time fitment updates, gear drops, and pro tips from the garage. No spam, just parts, tech, and news for riders like you.

Your Garage

Add a Vehicle