The YS Engine YSM0070 ball support is an aftermarket spare for Super Mount configurations, designed to present a firm seating interface for the engine ball joint in model engine assemblies. Its function is to stabilise and locate the joint rather than influence engine performance.
The product name signals intended fit with Super Mount style setups; however, always cross-check your mount's hole pattern and ball joint dimensions before installation because mounting surfaces and fastener locations differ across manufacturers.
Installation generally consists of placing the support against the mount mating face, aligning bolt holes, and fastening with the correct hardware for the mount. Tighten fasteners evenly to prevent misalignment and ensure the support clears adjacent parts like the motor mount, exhaust, and control linkages.
In model setup and tuning, the support improves repeatability of the engine ball joint location, which supports steady idle and correct drivetrain alignment. Inspect the seating regularly and fit a replacement if the seat becomes worn or loose.
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