Yamaha KT100 Third Bearing Style Motor MountTechnical Specifications Material: Billet aluminum Color: Black Compatible Engine: Yamaha KT100 Bearing: Precision machined carrier accepts standard 6203 series Clamp Configurations: No clamp or integrated 28 30 32 mm in 90 mm or 92 mm widths Includes: All mounting hardware Origin: Made in USA This motor mount bolts the Yamaha KT100 engine to your kart frame and adds a third bearing that supports the crankshaft. It cuts flex and vibration so power