Tillotson carburretor HW11A Avenger, for KF2 Motoren

Venturi Diameter 24mm
Throttle Bore Diameter 28mm
New Venturi/Body Design
Avenger Class Inlet Needle and Seat Design
Avenger Class Idle/Acceleration Nozzle Design
Avenger Class Acceleration Fuel Circuit Design

Carburettor Settings:

KF Engines vary by manufacturer, manufacture date and tuning. For optimum performance, you might need to try different settings. Below is a listed of recommended settings, starting with most recent/most popular first. For best results, start with the most recent and then adjust first the High then the Low needle each in 1 minute increments up to 3-5 minutes each (extreme conditions like hot or rainy weather may require a little more). If you are not satisfied, repeat the procedure with the next setting.

L= 1 Turn 0 minutes (1' 0"); H=1 turn 5 minutes (1' 05")

L=1 Turn 15 minutes (1' 15"); H=42 minutes (0'42")

Opening Pressure = 0.65 bar
Closing Pressure = 0.55 bar