Danny - the choke MUST be hooked up, otherwise you will run rich.
The needle in the main metering jet IS a long taper, which is why the suggested initial setting is 2 1/2 turns. The idle mixture needle is the short taper; hence 1 turn.
Jon.
Good carburetion is fuelish hot air The most expensive carburetor is the wrong one you attempt to modify. If you truly believe "one size fits all," try walking a mile in your spouse's shoes! The Carburetor Shop
