Hammerhead Jet, Main Jet for Keihin-Style 125cc / 150cc, GY6 / 250cc Carburetors

Sale price$3.49 Regular price $4.99

Keihin style main jet for most 150cc and 250cc carburetors used on scooters and buggies.

SKU#: mainjet140_hhpwd

Availability: In stock
Size: 140

DETAILS

The main jet controls the volume of fuel delivery in your carburetor from a little less than 1/2 throttle to wide open. 

If you've upgraded your carburetor, air intake, or exhaust, you will find you're running leaner. A larger main jet can help restore the correct air/fuel ratio in your system. 

Most stock carburetors come with a main jet between 108 and 115. With a UNI filter upgrade, most systems will need a main jet between 120 and 130, depending on your elevation and vehicle setup. If upgrading the air intake and exhaust, you'll need between 125 and 140 and possibly larger depending on your carburetor, exhaust, and riding location. 

You should test various jets until you reach the correct air/fuel ratio when idling and at full throttle. 

REVIEWS

Frequently Asked Questions

Will this fender fit my American Landmaster UTV?

Yes, this rear left driver-side fender is designed to fit compatible American Landmaster UTV models. Be sure to verify your model and OEM part number before ordering.

Is this an OEM replacement part?

Yes, this fender is designed as a direct OEM-style replacement for part number 56-18162, providing reliable fitment and factory-style appearance.

Which side of the vehicle does this fit?

This fender installs on the rear driver-side (left side) of the vehicle.

What material is the fender made from?

The fender is constructed from durable molded plastic designed to withstand off-road conditions, mud, debris, and everyday trail use.

Does this include installation hardware?

Hardware may not be included unless otherwise specified in the product listing. We recommend reusing existing hardware or checking product details for included components.

Can I install this fender myself?

Yes, this fender is designed for straightforward bolt-on installation using standard tools. Professional installation is not typically required.

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