Carburetor Tillotson HW-31A - WaterSwift Mini 60cc

Carburetor Tillotson HW31A - 22,0mm - WaterSwift Mini 60

Carburettor Settings:

L: 1 turn 15 minutes
H: 0 Turns 40 Minutes
Pop off range: 0.75 bar hold pressure; Break Pressure 1 bar

*For optimum performance on a tuned engine, you can try different settings.   Adjust first the High needle in 1 minute increments until you are happy with its setting, then adjust the Low needle also in 1 minute increments, then confirm the High setting by turning the High needle back in and out 1-2 minutes to confirm.  Confirm/readjust the Low needle setting if you use a different High setting in the readjustment.   You should not need to adjust more than 10 minutes in normal conditions, but more in extreme conditions like hot or rainy weather).

*Standard inlet tension spring: 26g. You can change the tension spring to increase/decrease pop-off pressure.

*The internal inlet lever arm should be set level with the carb body or fractionally above