Vehicle recall 78V259000 · December 1, 1978
1978 Honda CX500
The cam chain guide bolt may loosen due to the presence of a rubber coating on the surface of the guide in the area where the bolt seats.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- The cam chain guide bolt may loosen due to the presence of a rubber coating on the surface of the guide in the area where the bolt seats. If the bolt becomes loose, the engine will develop a ticking noise. Continued vehicle operation with a loose guide bolt may result in breakage of the bolt and increased engine noise.
- Remedy
- Dealer will install a cam chain guide kit to prevent loosening of the guide bolt.
- Notes
- Vehicle description: motorcycles.system: engine; cam chain.consequences of defect: continued vehicle operation with a broken guide boltcould result in cam chain breakage, engine lockup, loss of vehicle control, andan accident.
Recall details
- NHTSA campaign
- 78V259000
- Reported to NHTSA
- December 1, 1978
- Filed by
- AMERICAN HONDA MOTOR CO.
- Owner notification
- December 19, 1978
- Vehicles potentially affected
- 21,591
- Initiated by
- the manufacturer
- Components
- Engine and engine cooling › Engine
Vehicles covered
As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.
- Honda CX500 (1978): 1978
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