B-Max4 Front Gear Box Service Replacement YOKBM302F by Yokomo  [YOKBM302F]

Front Gear Box — B-Max4 Service Part

This item is a replacement front gear box assembly intended specifically for RC-scale B-Max4 applications. It is supplied to replace a worn or damaged front gearbox while preserving the chassis configuration.

Identified by model YOKBM302F, the part restores original drivetrain geometry and the correct mounting points on B-Max4 cars. This is an RC component only and not designed for use in real vehicles.

Installation guidance: remove the front bulkhead or access plate as per your vehicle manual, move or inspect internal gears and bearings where necessary, confirm gear mesh and axial alignment before final torqueing, and use a light smear of appropriate grease on mating gears to prevent early wear. After installation, ensure servo linkages and drive shafts operate freely and perform a controlled low-speed check.

Maintenance and setup notes: swapping the front gearbox is a routine service that improves steering consistency and ensures dependable power transfer to the front end while making bearing replacement and gear mesh tuning straightforward.