YS Engines Throttle Barrel Retainer

YS Engines Throttle Barrel Retainer
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Price: $3.99 (Save 75%)
Sale: $0.99
This is a YS factory replacement Throttle Barrel Retainer Screw and Key. This works with a wide variety of YS helicopter engines from older discontinued models, to current engines such as the 91 SR, 91 SR-3DS, 91 SRX Tareq, and 120 SR-X.