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The TORO 117-5970 is a BBC pulley designed as a drive system component for Toro lawn and garden equipment. BBC stands for blade brake clutch, and this pulley is part of the blade engagement and power transmission assembly. It transfers rotational force from the engine or drive shaft to the blade brake clutch system, allowing controlled engagement and disengagement of the cutting blades. Licensed technicians and experienced equipment mechanics typically handle this type of drivetrain repair on walk-behind and riding lawn equipment.
This pulley is intended for use in Toro lawn and garden equipment applications where the blade brake clutch system requires service or replacement. It fits into the power transmission path that governs blade operation, making it a functional component in maintaining safe and reliable cutting performance. This part is suited for professional equipment repair shops and experienced service technicians working on Toro outdoor power equipment.
Designed as an OEM-style replacement BBC pulley for compatible Toro lawn and garden equipment requiring part number 117-5970.
Installation of this pulley should be performed by a qualified small engine or outdoor power equipment technician. Disconnect the spark plug wire and ensure the engine is fully off and cooled before beginning any drivetrain service. Proper belt tension and pulley alignment should be verified after installation to prevent premature wear. Consult the applicable Toro service manual for model-specific procedures and torque guidance.
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