The Yokomo B9-FBTS front belt tensioner set is a practical addition to the BD9 chassis, intended to stabilise belt tension during running. It helps drivers maintain predictable drivetrain response for consistent laps.
The tensioner keeps the belt tensioned correctly to reduce slippage and support smoother power transfer. It is made to be compatible with the Yokomo BD9 and offers a straightforward way to protect drivetrain function under different track conditions.
Installing the B9-FBTS is achievable with standard hand tools. Ensure the belt sits true before tightening the unit to avoid premature belt wear. Check the tensioner routinely to keep performance steady.
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