O.S. Engine OS21532010 Replacement Crankshaft 12TZ(P)-T5 for RC Engines  [OS21532010]

O.S. ENGINES CRANKSHAFT 12TZ(P)-T5
Price:
AUD$28.35
Brand:
O.S. Engine
Model:
OS21532010
GTIN:
4531028138476
Condition:
Brand New
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12TZ(P)-T5 Crankshaft Description

This O.S. Engine crankshaft OS21532010 is supplied as a direct replacement component for RC-scale model engines identified by the 12TZ(P)-T5 designation. The text concentrates on fitment advice, service considerations, and how the crankshaft contributes to engine balance and tuning outcomes.

Presented as an OEM-authorized spare part for small glow or model internal-combustion engine kits, the unit handles the crank assembly's rotational duties and bearing interfaces. During installation, verify bearing alignment, maintain clean assembly conditions, and confirm free rotation to protect engine reliability.

Specifications

  • Item: Crankshaft 12TZ(P)-T5
  • Material: Not specified
  • Model Number: OS21532010
  • Compatibility: See model designation 12TZ series

As a direct replacement for matching 12TZ model engines, this crankshaft supports routine maintenance and tuning; always confirm the model code and inspect adjacent components when replacing the shaft.

Will a new crankshaft affect my engine's balance?

A correctly fitted OS21532010 crankshaft restores intended balance; however, check for straightness and bearing condition during fitment and conduct a static balance check if vibration changes are a concern during tuning.

Are there tuning adjustments needed after replacement?

After installation, re-check idle and mixture settings under controlled runs; any change in rotational characteristics may require minor tuning adjustments to restore optimum running behavior.

What service steps improve performance reliability?

Use new bearings where needed, ensure clean lubrication at assembly, and confirm crank endplay is within acceptable limits to reduce wear and maintain consistent performance.

Can I use this part for upgrades or only repairs?

The OS21532010 is intended as a replacement/service part for the 12TZ(P)-T5 designation; while it may be used during upgrades, always confirm compatibility with your engine model code first.

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