Key facts
- Brand
- Honda
- Model
- GX120
- Documents
- 3
- Languages
- ZH · EN
- Last added
- 2026-10-25
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Honda GX120/GX160 Gasoline Engine Owner's Manual for Rammer-Type Compactors
This document serves as the owner's manual for Honda GX120 and GX160 gasoline engines specifically designed for use with rammer-type compactors. It covers essential safety messages, component locations, and pre-operation checks to ensure safe usage.
Read onlineHonda GX120 specifications
| Exhaust Pipe Length | 20.0 to 26.0 ± 0.06 inches |
|---|---|
| Air Filter Adapter ID | Maximum 2.250” |
| Intake Valve Diameter | 0.984 ± 0.002” |
| Cylinder Bore Maximum | 2.366” |
| Intake Valve Weight | 18 grams minimum |
All Honda GX120 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Disassembly, diagnostics and part numbers, for repair.
Questions answered in these manuals
What should be checked before operating the engine?
Check for fuel or oil leaks, clean the muffler and exhaust pipe, and inspect for damage.
How long should you wait before starting the engine after first use?
Run the new product for at least 15 minutes before using it.
What is the maximum length of the exhaust pipe?
The exhaust pipe must be between 20.0 to 26.0 ± 0.06 inches long including the ¾ pipe coupling.
What is the maximum intake valve diameter?
The intake valve head diameter must be 0.984 ± 0.002 inches.
What safety alert symbol indicates a potential hazard?
A safety message is preceded by a safety alert symbol and one of three words: DANGER, WARNING, or CAUTION.
From: Honda GX120/GX160 Gasoline Engine Owner's Manual for Rammer-Type Compactors
When should the choke lever be moved to the CLOSED position?
To start a cold engine, move the choke lever to the CLOSED position.
From: Honda GX120/GX160 Gasoline Engine Owner's Manual for Rammer-Type Compactors