The YSG7040 is supplied as a single replacement push rod intended for YS Engine DZ70 glow engines to restore correct valve actuation and linkage geometry.
Use this part when the installed push rod shows signs of wear, has bent, or exhibits excessive endplay that impacts valve timing. It conveys motion from the cam or rocker to the valve lifter, so maintaining straightness and a correct fit is critical for consistent idle and running characteristics.
Replacement is done at component level: remove the rocker/valve linkage fasteners, withdraw the worn push rod and install the new YSG7040, then reassemble and verify valve clearance and unobstructed travel through the engine's range. Confirm smooth operation and correct clearances before returning the engine to service.
Compatibility: For DZ70 series YS RC glow engines.
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