Engine and engine cooling: engineRecall 78V-259 · 1978 Honda CX500
AMERICAN HONDA MOTOR CO. recall 78V-259 covers 21,591 1978 Honda CX500 for a engine and engine cooling: engine problem, reported to NHTSA on December 1, 1978.
Source: NHTSA recall 78V259000 and manufacturer quarterly reports. Started by the manufacturer.
The problem
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.
The fix
DEALER WILL INSTALL A CAM CHAIN GUIDE KIT TO PREVENT LOOSENING OF THE GUIDE BOLT.
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 repairs are free. Confirm whether this recall is open on your vehicle by entering its VIN at nhtsa.gov/recalls.
Vehicles in this recall
Built from July 1, 1977 to May 1, 1978. Not every vehicle in these model years is included; check by VIN.