What is the low rpm jet on a carb?
Low rpm operation is controlled by the intermediate jet (#11). If sneezing or popping is experienced below approximately 3000 rpm’s the intermediate jet must be replaced with a larger sized (richer) jet.
How to setup a Super E & G carb?
Watch the Super E & G Carb Basic Setup video 1 Verify carburetor is set to stock settings: 2 Idle mixture screw, 11/4 turns from lightly seated. 3 Idle speed screw, ½ turn clockwise from engagement point. 4 Accelerator adjustment screw, two turns counter-clockwise from seated. 5 Start bike, bring to operating temperature.
Why are S & S Shorty carbs air bleed # 13?
Since 2004 S&S shorty carbs have been fitted with an adjustable main jet air bleed (#13). Changing this jet to a larger size will delay the signal to the main jet, therefore aiding with high speed tuning as described in step 8. This also aides with tuning an engine that is fitted with an exhaust system that is not intended for high performance.
When to increase the main jet size in a carb?
Always readjust the idle mixture (#2) and idle speed (#1) screws after making a jet change. To test the main jet, do a roll-on from 50-mph to 70-mph in 3rd gear. If the engine backfires or breaks up in the carb, increase the main jet size .004″. If the engine is flat or will not accelerate, decrease the main jet by .004″.
How big is the s and s Super E carburetor?
S&S Super E (1 7/8″ Carburetor) Initial Jetting Settings Engine Size 74-86 CID S&S Super E Idle Mixture 1 1/4 To 1 3/4 Turns S&S Super E Intermediate Jet .028 To .033 S&S Super E Main Jet .068 To .078 Engine Size 86-98 CID S&S Super E Idle Mixture 1 1/4 To 1 3/4 Turns S&S Super E Intermediate Jet .031 To .036 S&S Super E Main Jet .072 To .086
What should the jetting be on a S & S carburetor?
These are the jetting recommendations for S&S carburetors for various engine sizes. The jetting in your carburetor should fall within the ranges indicated within the chart. .082 to .
Low rpm operation is controlled by the intermediate jet (#11). If sneezing or popping is experienced below approximately 3000 rpm’s the intermediate jet must be replaced with a larger sized (richer) jet.