Crankshaft (VAZ-2121)

For crankshafts of 21213 engines, the diameter of the main journals (mm) is:

• normal size - 50.799-50.819
• repair (-0.25) — 50.549-50.569
• repair (-0.50) — 50.299-50.319
• repair (0.75) — 50.049-50.069
• repair (-1.00) — 49.799-49.819

Diameter of connecting rod journals (mm):

• normal size - 47.83-47.85
• repair (-0.25) — 47.58-47.60
• repair (-0.50) — 47.33-47.35
• repair (0.75) — 47.08-47.10
• repair (-1.00) — 46.83-46.85

(The original is available on the online resource: vazbook.ru)

The nominal calculated clearance in connecting rod bearings is 0.02-0.07 mm, and in main bearings - 0.026-0.073 mm. The maximum clearances (wear) are 0.1 mm for connecting rod and 0.15 mm for main journals.