Machining Contact Surfaces of Crankcase

Specifications For Cylinder Block Machining





- Height "H" When New: 289.35 - 289.45 mm
- Minimum Height (after Machining): 289.15 mm
- Permissible Differences Of Flatness:
Upper Contact Surface: 0.03 mm
Lower Contact Surface: 0.04 mm
- Surface Finish Peak-to-valley Height (Rz)/waviness (Wt)
Upper Contact Surface-of Crankcase: 0.012 - 0.009 mm
Lower Contact Surface Of Crankcase: 25/20 um