This Leftt (Magneto Side) Crankcase 1/2 is for the 700-750 Engines withe the Wet 6-Shoe Clutch.
This case will eccept the standard 1:5 Crankshaft and the newer 1:7 Crankshaft and Flywheel.
The fits the Bucket Seat Wide Body 500 and 700. Massimo used the name 'Alligator' .
Also on some of the Bucket Seat 700-750 sold bt Cub-Cadet
Outside Tire to Tire is approx. 62" by measuring front or back.