< Genuine Honda GX120 Only Piston Rod Wrist Pin 1.85" Long 13111-ZE0-000 – Krybaby Performance
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SKU: 13111-ZE0-000

Genuine Honda GX120 Only Piston Rod Wrist Pin 1.85" Long 13111-ZE0-000

$8.50 $9.00

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Description

13111-ZE0-000 Genuine Honda GX120 Only Piston Rod Wrist Pin 1.85" Long 

Function: The piston pin plays a critical role in delivering seamless power transfer during operation by securing the connection between the piston wrist and the engine's connecting rod.
  • Compatibility: This part is compatible with only the GX120 engine.
  • Dimensions: 46mm Long(1.85”), 12.99mm Dia (.510”), with tapered ends. Holds Piston to rod

USAC 120 Rules

Connecting Rod Rules

  1. Factory Supplied:

    • The connecting rod and its fasteners must be Honda factory-supplied and used without any modifications, except for honing the big end bore.

  2. Specifications:

    • Crankshaft bore size: 1.021” minimum; 1.0265” maximum.
    • Wrist pin end bore: 0.5111” reference.
    • Length: From the bottom of the wrist pin bore to the top of the crankshaft bore must be 2.111” maximum; 2.101” minimum.
    • Weight: Connecting rod with bolts must weigh at least 118 grams.

  3. Prohibited Modifications:

    • Oil grooves on the bearing surfaces of either of the connecting rod bores are not permitted.

    • No other modifications to the connecting rod or fasteners are allowed.

Wrist Pin Rules

  1. Factory Supplied:

    • The wrist pin and retainer must be Honda factory-supplied and used without any modifications.

  2. Specifications:

    • Outside diameter: 0.510” reference.
    • Inside diameter: 0.354” reference.
    • Length: 1.844” minimum; 1.850” maximum.
    • Weight: 25 grams minimum.

These rules ensure that the connecting rod and wrist pin remain within factory specifications and are not altered to gain an unfair advantage.

 

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