27mm, Left hand Thread, for most GY6 125 150cc Scooter or other 125cc Motorcycles. Magneto Flywheel Puller Tool. 24mm, Right Hand Thread, for most GY6 50 4 Stroke Scooter Moped ATV. 27mm x 1.00 Left Thread (Male) mounts for GY6 125cc 150cc 152QMI 152QMJ Engines.
