A carburetor controls the amount of fuel and air going into the engine. The '86 Honda 250R is an all-terrain vehicle (ATV) meaning it is driven mainly off-road. This means that the carburetor is more likely to get dirty and cause problems. A dirty carburetor can make your ATV louder than normal, and a major build-up of dirt can cause problems when trying to start your ATV.
Tools Used: Screwdriver, Carburetor cleaning fluid, Toothbrush, Rags
Clean Carburetor
Unscrew the six screws holding the '86 Honda 250R seat in place. They are located just under the rim of the seat. Remove and place the seat to one side to access the carburetor.
Brush the entire carburetor with a toothbrush to remove build-up of grime and dirt. A small toothbrush can fit into all the crevices of the carburetor.
Unscrew the three screws at the bottom of the carburetor to remove the carburetor bowl. Remove and place the carburetor bowl to one side.
Soak an old rag with carburetor cleaning fluid and rub the entire carburetor bowl. Carburetors on ATVs get dirty faster because they are driven off-road, so it may require some physical strength to remove all the dirt.
Scrub the inside of the carburetor, and apply some carburetor cleaning fluid to another rag if need be. Scrub all the attached springs on the outside of the carburetor with a rag as well.
Re-attach the bowl and the seat to your vehicle.
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