O.S. Engine OS22602030 Crankshaft - 25FX Engine Replacement  [OS22602030]

Replacement crankshaft details for O.S. 25FX

This crankshaft is a direct replacement for O.S. Engine model OS22602030, intended specifically for RC 25FX engine maintenance and rebuild work. The text covers the part's compatibility with the 25FX family, its operational role, and useful installation reminders.

Apply the crankshaft during complete engine strip and rebuild sequences when restoring function or preparing for tuning. Its functions include transferring piston motion through the connecting rod and securing bearing and seal alignment; during rebuilds, examine journals and bearing seats carefully for wear before reuse.

Confirm the engine identification matches OS22602030 or the 25FX designation and verify bearing seating and axial play at assembly. Address any fitment anomalies or surface damage before final installation to avoid premature wear. This item is intended for hobby RC engine service and is not for road vehicle use.

If your engine is identified as OS22602030 or listed under the 25FX designation, this crankshaft is the appropriate replacement to restore mechanical alignment during rebuilds and support workshop tuning.