Big Carburetor – Rich Accelerator Pump Stall, and Main Jet Explanation

Big Carburetor – Rich Accelerator Pump Stall, and Main Jet Explanation

Big Carburetor – Rich Accelerator Pump Stall, and Main Jet Explanation

See the dip in the lower curve describing air/fuel mixture. This dip is the result of a rich, excessively strong, accelerator pump squirt. The pump is squirting more fuel than needed to avoid a lean bog. The unfortunate result is that a person riding and