In Reply to: 8N barely running posted by Larry on June 03, 2021 at 16:37:24:
Manifold develops leak with expansion. Severe miss from lean condition causing it to run rich.
Pull bottom plug.
Install barb with clear plastic hose attached.
Hold hose up in the air.
Turn on gas to carb.
Fluid level in the hose will correspond to the fuel level in the bowl.
Should be just below the cast line.