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Walbro WT-990 Carburettor

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Walbro WT-990 high-performance carburettor.

This is the carburettor recommended by Zenoah for upgrading your RC-style engine.

Engines with the standard carburettor (WT-603, WT-668, etc) tend to experience a lag in low-end acceleration when tuned for peak power.

Carburettor Specifications:

Bore:  15.88mm bore

Venturi:  12.7mm

Independent tune-able high and low speed jets. 

This carburettor does not have an internal choke. 

Note: This carburettor now comes standard with modified throttle shaft, so it will work perfectly in most R/C applications such as HPI Baja, FG Modellsport, etc. 

The WT-990 carburettor is the same as the WT-813 WITHOUT an internal acceleration pump.