The Genuine Brio 50i left crankcase diagram shows the complete left-side engine housing and transmission support structure, including the left crankcase half, crankshaft bearing support area, transmission input shaft housing, CVT (continuously variable transmission) internal cavity interface, variator shaft passage, clutch bell housing interface, kickstart shaft bore (if equipped), gear reduction chamber interface, oil seal mounting surfaces, gasket sealing surface, crankcase alignment dowels, internal oil routing channels, ventilation/breather passages, inspection openings, and all associated studs, bolts, washers, and fastening hardware.
This diagram is used to identify OEM replacement parts for engine case repair, transmission housing service, and internal engine alignment maintenance on Brio 50i models.