Walbro WT-603 high-performance butterfly-style carburetor with integrated choke. 2 jets (independent high and low),
- Bore: 15.88mm,
- Venturi: 12.7mm.
Will be delivered with the black choke lever
The basic setup for this carburator is:
- High screw(H) must set at 1 turn 3/8.
- Low screw(L) must set at 1 turn 1/4.
Fits on all Zenoah RC Engine