Posts Tagged ‘float level’

Fuel Bowl Control

Monday, December 19th, 2011

Here are the lock screw and adjustment nut with instructions.

The process of carburetion starts at the bowl where fuel arrives at the needle and seat. The needle’s cone-shaped top presses against the matching seat in the housing to limit the amount of fuel that enters. The float located inside of the bowl rides on the fuel like a boat and raises or lowers the needle based on the level. This is why proper float adjustment is crucial. If the float is adjusted to ride too high, the excess fuel will find its way to the vent tube and into your engine unatomized, causing the engine to run poorly or stall. If the float level is set too low, you can starve your engine of fuel, causing it to lean out or stumble. (more…)