Straight from Walbo's website-

WT WTA WA


The WT/WA series includes our smallest diaphragm carburetors, designed for engines from 14 to 50 cc. Meets all C.A.R.B. and EPA emissions regulations.

Technical Data

Principal measurements in mm:
Choke Bore Venturi Ø
Throttle Bore
19.05 6.35/7.14 11.1
19.05 7.94 14.29/12.7
19.05 9.53 14.29
19.05 11.11/12.7 15.84
19.05 11.11/12.7 15.84
19.05 13.49 17.44













Mounting holes, distance between centers: 31mm.
Metering system and fuel pump integrated in the carburetor casting
Can be delivered with or without choke.
Adjustable high speed needles, idle needles and available idle adjust screw.
Available extras: accelerator system, fast idle system, speed governor, primer-purge system, idle shutoff system, mirror image arrangement - Model WTA
Proper function in any attitude.