Angle Gear for PRO Petrol Brushcutter — model compatible with TOP431S / TOP252S (MPN YTOP25PK)

This angle gear is a spare gearbox designed for PRO petrol brushcutters compatible with TOP431S and TOP252S models. It provides the mechanical interface between the drive shaft and the cutting head, transferring rotary motion to the trimmer line or blades and restoring functional operation of the cutting assembly. The unit is supplied as a replacement part for maintenance and repair tasks where the original angle gearbox is worn, damaged, or leaking lubricant.

Advantages

The gearbox is built to match the mechanical fit and rotation direction of the specified PRO brushcutter models, ensuring straightforward replacement and alignment with existing drive components. Constructed from metal and engineered plastics in critical areas, it offers a balance of durability and weight suitable for handheld brushcutter operation. Sealed lubrication points and precision-cut gears reduce play and noise, helping to maintain cutting performance and extend the service interval of the tool.

Suitable for

• Repairing PRO petrol brushcutters of models TOP431S and TOP252S
• Replacing a worn or damaged angle gearbox to restore cutting head rotation
• Maintenance tasks that require swapping the gearbox to stop leaks or reduce gear play

Key specifications

• Function: right-angle gearbox for transferring drive from shaft to cutting head
• Compatibility: designed for use with PRO petrol brushcutter mechanical layouts matching TOP431S and TOP252S
• Construction: metal gear set with engineered plastic housing components in non-load areas
• Lubrication: sealed gear chamber with grease filling for gear life and reduced maintenance frequency
• Mounting: flanged connection and drive spline compatible with original equipment mechanical interfaces
• Rotation: configured to deliver correct rotational direction for trimmer head operation

How to use

Replace the worn angle gearbox by removing the cutting head and disconnecting the drive shaft according to the brushcutter manufacturer’s service instructions. Mount the replacement gearbox in the same orientation as the original, secure fastenings to the specified torque, and reconnect the drive coupling and cutting head. After installation, check for correct rotation direction and ensure there are no unusual noises or leaks during a brief test run at low engine speed before returning the tool to normal use.

Usage recommendations

Use the gearbox with compatible PRO models only and follow official maintenance intervals and torque settings. Inspect seals and fasteners periodically, and replenish or replace grease if the gearbox shows signs of contamination or increased noise. If unsure about installation, consult an authorised service centre to avoid improper fitting that can cause gear damage or unsafe operation.