Does the 1978 Yamaha XS400 have any recalls?

1 recall found in NHTSA data as of September 22, 2026, covering: fuel system, gasoline. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.

How do I check if my 1978 Yamaha XS400 recall has been fixed?

Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Yamaha dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.

How many complaints have owners filed about the 1978 Yamaha XS400?

0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.

1978 Yamaha XS400 recalls

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

1 recall found in NHTSA data as of September 22, 2026

For the 1978 Yamaha XS400. These apply to the model and year, not to one particular vehicle: check your VIN to see whether yours is included and whether it has been repaired.

Has your Yamaha been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

Check your VIN with NHTSA

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A Yamaha dealer can also check your VIN. Recall repairs are free.

1978 Yamaha XS400 recalls, newest first

April 1, 1980NHTSA 80V040000114,375 vehicles potentially affected

Fuel system, gasoline › Delivery › Fuel pump

Summary: The fuel petcock, which controls the fuel supply from the gas tank to the carburetor, may be defective. The involved petcock contains a rubber diaphragm. In the event that a hole develops, fuel may be misdirected and may manifest itself in a fuel leak in the petcock housing.
Remedy: Dealer will install an improved fuel petcock without charge to owner.

This recall on nhtsa.gov

Owner complaints

No owner complaints about the 1978 Yamaha XS400 were found in NHTSA’s complaint data.

Other Yamaha XS400 years

Other 1978 Yamaha models

Questions

Does the 1978 Yamaha XS400 have any recalls?: 1 recall found in NHTSA data as of September 22, 2026, covering: fuel system, gasoline. Recalls apply to the model and year; whether a particular vehicle is included, and whether it has been repaired, depends on its VIN.
How do I check if my 1978 Yamaha XS400 recall has been fixed?: Enter your 17-character VIN at nhtsa.gov/recalls, or ask a Yamaha dealer. Recall repairs are free. NHTSA's VIN search doesn't list recalls that were already repaired.
How many complaints have owners filed about the 1978 Yamaha XS400?: 0 complaints filed with NHTSA. Complaints are unverified reports from the public that NHTSA uses to decide what to investigate.