The Genuine Blur 220 crankcase diagram shows the complete engine lower-end housing and internal mounting structure, including the left crankcase half, right crankcase half, crankcase gasket surface, crankshaft assembly housing, main bearings, bearing seats and races, oil seals (crankshaft seals and output seals), oil passages and lubrication channels, crankcase breather passage, transmission input area interface, starter drive mounting area, oil drain plug and oil gallery plugs, dowel pins for alignment, threaded inserts, crankcase bolts and fastening points, and all associated structural hardware.
This diagram is used to identify OEM replacement parts for engine case repair, internal engine rebuilds, and crankshaft or bearing service on Blur 220 models.