This PD42J carburetor for the Yamaha YFM660 Grizzly 660 and Raptor (2002 - 2008) ATVs is a top-notch carb that may be compatible with a wide range of gasoline engines used on imported powersports brands and models.

The popular Yamaha Grizzly 660 and Raptor YFM660 are big machines, and this first-class carburetor is a perfect fit.

Note this PD42J carburetor is nearly identical to the PD42J-A model, with the difference being the PD42J model has a shorter choke control mechanism casing built into the side of the carburetor.

Constant Velocity Carburetors:
The constant velocity carburetor, often referred to as a CV carb, operates through the use of a slide, tapered needle, diaphragm, and a butterfly. The throttle cable is not connected to the slide, it operates the butterfly which is located on the engine side of the carburetor. As the butterfly is opened more air is able to flow in. This changes the air pressure in the bore, pushing up the diaphragm and drawing the slide and tapered needle with it. Similar to the cable slide carburetor, when the needle is raised more fuel is supplied and as the butterfly opens more air is added to the mix.

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