Shift Arm Assembly (Semi-Auto 3sp w/Reverse T2), 125cc 54mm ATVs & Dirtbikes

This collection includes T2-type shift arm assemblies made for semi-automatic, 3-speed 125cc 54mm ATVs and dirt bikes equipped with reverse. These internal components are essential for smooth gear transitions and reliable reverse engagement. When the shift arm wears out, riders may experience missed shifts or difficulty selecting gears. These replacements restore proper transmission function on Honda-style 125cc 54mm engines.