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Picture of Y39-3 2 barrel Rochester marine carburetor with choke on top and two idle mixture screws

2 Barrel Rochester
Choke on Top

Price of Y39-3 marine carburetor

All Y39-3 type carburetors have two idle mixture screws.
However, there are variations in the type of choke, position of the gas inlet, the type of linkage, and the bore size.
Click picture for close up view

MerCruiser Two Barrel Rochester Y39-3 with Choke on Top

This remanufactured marine carburetor is a "OEM" original two barrel Rochester marine carburetor.

The Y39-3 carburetor that you have chosen has the following variations.

Stock #
Engine Size
Choke Type
Gas Inlet Position
Linkage Type
Bore Size
Y39-3
4 Cylinder
120/140
2.5L/3.0L
Electric
Female
Choke Side
Single Hole
Small

The Y39-3 carburetor should look similar to the pictures below, don't expect each picture to look exactly like your carburetor. View all the variations below for the Y39-3 carburetor and if this is the caburetor you need, order it at the bottom of the page. If NOT Click Here

Click picture for close up view


Choke Type

This view not applicable to this model carburetor
This view not applicable to this model carburetor
Picture of Y39-3 2 barrel Rochester marine carburetor with electric choke on top
Down (Hot Air)
Side (Hot Air)
Electric
Y39-3
Click picture for close up view

Gas Inlet Position
This view not applicable to this model carburetor
This view not applicable to this model carburetor
Picture of Y39-3 2 barrel Rochester marine carburetor with gas inlet on choke side (female)
This view not applicable to this model carburetor
Female (Front)
Male (Front)
Female (Choke Side)
Y39-3
Male (Choke Side)
Click picture for close up view

Linkage Type
This view not applicable to this model carburetor
This view not applicable to this model carburetor
Carburetors where the throttle linkage hooks onto the bottom can be bolted directly into the carb linkage or have an add on bracket (like at right) or a similar type that bolts to the top and bottom of the carburetor linkage.
This view not applicable to this model carburetor
This view not applicable to this model carburetor
2 Hole Bottom
2 Hole Bottom
Bolt on Pieces
Picture of Y39-3 2 barrel Rochester marine carburetor with throttle linkage having single hole stud on top
Single Hole Stud Top
Y39-3
Click picture for close up view

Bore Size
 
Picture of Y39-3 2 barrel Rochester marine carburetor showing that bore size is measured from side to side of bore and ia 1 3/8 inches
 
This view not applicable to this model carburetor
 
 
Small Bore 1 3/8 Inches
Y39-3
 
Large Bore 1 5/8 Inches
 

Provide Information About Your Carburetor & Boat
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If not sure on any question below, enter (Not Sure)
Picture of Y39-3 2 barrel Rochester marine carburetor with location of carburetor number
Click picture for close up view
*Carburetor Number:
*Boat Year:
*Boat Make/Model:
*Engine Size:
Additional Comments:
If your carburetor has missing parts, broken parts, core damage, or is different from the one being ordered, please list damage or differences in the Additional Comments box above.
*Core Return:
*Where did you find us?:
Serving our valued customers for over 35 years. We use only new parts and the carburetor is coated with a long lasting Aluminum Oxide finish and then coated with black lacquer paint for extra protection. Delivering you a completely tested, calibrated, and idle adjusted carburetor. Our marine carburetors are ready for easy installation and come with a complete one year warranty.
*Carburetor Base Gasket?:
*I have read, understand and accept the core return policy:
I Accept Core Return Policy

Purchase Y39-3 two barrel Rochester marine carburetor from flyingfishcarburetors.com

We pay for you to return the old core from anywhere in the continental United States. The carburetor includes a UPS return shipping label. Repack your core in the box that your carburetor came in, adhere the UPS label, and give to any UPS driver or bring it to any UPS drop box. Please allow a few days for us to check-in your old carburetor core. We will then issue a prompt core refund.

Click here for information on core returns and refunds

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Quantities can be changed in cart...

Click to view UPS ground shipping chart