SKU: 64982522738

Quick Fuel Black Diamond Marine Series 650 CFM 4-Barrel Carburetor # M-650

Sale price$798.75 Regular price$887.50
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Description

Quick Fuel Black Diamond Marine Series 650 CFM 4-Barrel Carburetor # M-650Carburetor, Q Series Marine, 650 cfm, Mechanical Secondary, Electric Choke, Satin Black, Dual Inlet, Each M 650 CFM: 650 Fuel Category: Gasoline Remanufactured: No Number of Barrels: 4 Carburetor Flange: Square bore Choke: Electric Secondary Type: Mechanical Fuel Inlet: Dual Primary Jet Size: 71 Primary Power Valve (Hg): 6. 5 Hg Secondary Jet Size: 78 Primary Outer Air Bleed Sizes Included: 70 Primary Inner Air Bleed Sizes Included: 31 Secondary Outer

Carburetor, Q-Series Marine, 650 cfm, Mechanical Secondary, Electric Choke, Satin Black, Dual Inlet, Each M-650

CFM:

650

Fuel Category:

Gasoline

Remanufactured:

No

Number of Barrels:

4

Carburetor Flange:

Square bore

Choke:

Electric

Secondary Type:

Mechanical

Fuel Inlet:

Dual

Primary Jet Size:

71

Primary Power Valve (Hg):

6.5 Hg

Secondary Jet Size:

78

Primary Outer Air Bleed Sizes Included:

70

Primary Inner Air Bleed Sizes Included:

31

Secondary Outer Air Bleed Sizes Included:

70

Secondary Inner Air Bleed Sizes Included:

31

Carburetor Color:

Satin black

Ford Kickdown:

No

Booster Type:

Down-leg

Throttle Linkage Type:

Universal

Carburetor Height (in.):

3.250 in.

Quantity:

Sold individually.

Notes:

Fuel inlets are 7/8-20 in. thread.

Quick Fuel Black Diamond Marine Series Carburetors

To ensure smooth, positive response from your watercraft fuel system, Quick Fuel Technology introduces Black Diamond Marine Series carburetors. The proper blend of air and fuel is critical when you're cruising miles from shore, and the innovative team at QFT has engineered carbs for every street and race application imaginable. Trust their expertise for your boat needs, as well. Depending on the Marine Series carburetor model selected, you can choose single or dual fuel inlets, vacuum or mechanical secondary, primary and secondary jet sizes, and inner and outer air bleed sizes.

Quick Fuel Black Diamond Marine Series carburetors feature:

* Aluminum fuel bowls with sight glass windows for quick float adjustment
* Changeable idle air and high-speed bleeds
* PTFE-coated throttle shafts with PTFE bearing ribbons and stainless steel plates
* J tubes to prevent spillage
* Black Diamond high-temperature satin coating on main body and fuel bowls for enhanced corrosion protection and appearance; coating also provides a 6 percent reduction in fuel temperature
* 4-corner idle adjustment (except M-600)
* Billet metering blocks with changeable primary idle feed and power valve channel restrictions (except M-600)

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 64982522738

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Keisha
Lowell, US
★★★★★ 4
Sturdy
Color: White, Size: 15 inches, Color: White, Size: 15 inches
Love the shelves. Nice touch to my bathroom. Easy enough to install. They're not holding anything too heavy so can't speak too much on that but they do have a nice width.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 30, 2026
K
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Kaitlynn
Pawtucket, US
★★★★★ 5
Good for light stuff
Color: Black, Size: 15 inches, Color: Black, Size: 15 inches
Good product. Very light though and if it’s in dry wall won’t hold something really heavy. I don’t think it would hold 20 pounds just light. I put over my washer and dryer and put one right on top that way I can put heavy stuff on that side without it weighing down and being ripped out of the wall. I won’t be putting heavy stuff on the right side I used 4 pieces and the wall is about 60-62 inches long
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Reviewed in the United States on December 5, 2025
R
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Reviewer
Charlottesville, US
★★★★★ 5
Perfect sized floating shelves
Color: Black, Size: 24 inches, Color: Black, Size: 24 inches
These are great and the perfect width. I had my contractor install them because my tile had to have a hole drilled into it. I love that it looks seemless and flat to the tile. New bathroom renovation. I am very pleased. Holds a few towels also candles and a little plant with extra space. Perfect for a minimal look or if you have a small bathroom. Color was spot on.
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Reviewed in the United States on March 30, 2026
R
Verified Purchase
R. Fleming
Grantham, US
★★★★★ 3
Not What I Expected
Color: White, Size: 32 inches
This set of floating shelves was a disappointment. They’re advertised as holding 20 pounds, but mine began to bend with barely 10 pounds on them. All the screws and anchors were installed tightly and correctly, yet the metal brackets still warped under minimal weight. The shelves look fine on the wall, but I’m leaving them up only because I don’t want to patch a dozen holes—not because they’re sturdy. Definitely not the quality or strength I expected.
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Reviewed in the United States on April 13, 2026
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Alicia
Draper, US
★★★★★ 5
Love them
Color: White, Size: 15 inches, Color: White, Size: 15 inches
I have these floating shelves all over my house. The are made nice and sturdy and they come with simple instructions. They come it various sizes and can almost fit anywhere. These particular shelves are in my makeup closet and they look so great and organized.
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Reviewed in the United States on December 24, 2025

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