This spur gear is supplied for the Mugen Seiki MTX-4 and is catalogued as 3Racing MTX4-0853/V3. Manufactured from Delrin, it is specified at 0.8 pitch with 53 teeth in the Version 3 configuration to help reduce friction at gear mesh.
Installation is intended to be simple for MTX-4 setups: confirm the spur seats correctly and that centre distance matches the MTX-4 gearbox, align the motor pinion for proper mesh, and hand-rotate to confirm free movement before running. It is suitable for direct replacement or as a maintenance spare where the pitch and tooth count are the same.
In tuning use, a Delrin spur reduces drivetrain drag and can smooth mid-throttle response under light loads. Continue to inspect for wear and verify mesh clearance and bearing condition to maintain dependable performance.
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