The Yokomo YR-22R is a replacement right-side rear roll shock mount intended for 1/10 scale formula chassis, explicitly the YR-10F. It interfaces with the chassis' rear roll damper arrangement and is intended for radio-controlled model use.
The mount secures the roll shock to the rear suspension pick-up points and has a measurable effect on chassis roll during cornering. When fitted as part of a setup program it influences how roll forces are apportioned between the rear shock and any anti-roll elements, which assists in balancing front and rear response.
Fitment notes: the YR-22R corresponds to the YR-10F rear mounting points and installs using the chassis' existing rear mount holes and hardware. Ensure you install the part on the correct right side, check alignment with the shock shaft and suspension links, and confirm unobstructed full suspension travel before running.
Tuning guidance: treat the mount as part of the overall roll-control system rather than a standalone stiffness change. Make modest, staged adjustments to shocks, sway arrangement and ride height to assess impact on oversteer or understeer. Always trial modifications on a suitable surface to verify handling changes.
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