Honda GX120K1 Engine Parts Catalog

Service data for the Honda GX120K1 engine, including comprehensive parts diagrams and numerical specifications. PN 13ZH70E9.

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Document Details

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Document Number / Seller:
23744 / Lisa Murphy
File Size:
91.34 MB
File Type:
PDF
Language:
English
Pages:
7383
Printable:
Yes
Category:
Gasoline-Engines
Last updated / verified
Jul 19, 2025

Models Covered & Key Technical Specifications

Honda GX120K1 (13ZH70E9) - 2004 Honda GX120K1 Engine Parts List | GX Series Library.

  • Documented Fluid Capacity: 1 L signifies the essential oil fill requirements.
  • Applied System Fill: For optimal operation, 0.2 L indicates the necessary oil fill requirements.
  • Authorized Maximum Limits: The oil seal requires 6 MM for standard operation Benchmarks.
  • Principal System Fill: 0.3 L denotes the necessary oil fill requirements.
  • System Fill Benchmarks: The oil seal requires 0.2 L for standard operation Benchmarks.
  • Documented Fluid Capacity: 0.2 L signifies the essential oil fill requirements.

Manual Description & Preview

OEM-Grade Procedure Manual: Engines (Gasoline) Honda GX120K1 engine parts catalog Troubleshooting-Index

Subsystem-Focus: Engine Groups / Technical-Domain: Mechanical Assemblies / Asset-ID: 13ZH70E9. Service-Nexus System-Path Framework
E-2 CYLINDER HEAD E 1
E-3 CYLINDER BARREL E10
E-6 CRANKCASE COVER E14
E-7 CRANKSHAFT F 4
E-8 PISTON/CONNECTING ROD F 6

Factory procedures are documented for Engine Group and associated components.

Diagnostic procedures are covered for the Cylinder Head, including component identification and part numbers.

Wiring diagrams are provided for the Crankshaft, detailing its assembly and operation.

Fuel system procedures are documented for the Oil Tank, including its connections and maintenance.

Adjustment procedures are detailed for the Flywheel, ensuring proper timing and operation.

Timing procedures are documented for the Ignition Coil, critical for engine startup.

Precisely demanding the correct specifications is crucial for maintaining engine performance. This manual documents torque specifications for critical engine components to ensure proper bolt stretch prevention and reliable assembly.

FAQ

Does this Honda GX120K1 engine parts catalog include exploded view illustrations for assembly reference? keyboard_arrow_down

Manual contains detailed exploded view drawings for the engine groups, which are designed to assist with identifying part relationships and locations throughout the engine assembly.

What model year and submodel specifications are covered in this engine parts documentation? keyboard_arrow_down

Document covers the Honda GX120K1 engine model produced in 2004, including a comprehensive list of various parts catalog codes and their applicable engine serial numbers.

Are fuel hose and component specifications listed for the GX120K1 model series? keyboard_arrow_down

Manual includes a dedicated section that details fuel hose, general purpose hose, and vinyl hose types, including identification codes for bulk part ordering.

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