Vehicle recall 18V730000 · October 16, 2018
2015-2018 Yamaha SR400
The engine oil line flare nut may be insufficiently tightened, allowing oil to leak onto the rear tire.
Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.
- Summary
- Yamaha Motor Corporation, USA (Yamaha) is recalling certain 2015-2018 Yamaha SR400 motorcycles. The engine oil line flare nut may be insufficiently tightened, allowing oil to leak onto the rear tire.
- Consequence
- An oil leak onto the rear tire can cause a loss of control, increasing the risk of a crash.
- Remedy
- Yamaha will notify owners, and dealers will inspect the flare nut connection. If oil is not leaking, the nut will be tightened. If oil is leaking, the engine oil line will be replaced and the flare nut will be tightened, free of charge. The recall began October 31, 2018. Owners may contact Yamaha customer service at 1-800-962-7926.
- Notes
- Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.safercar.gov.
Recall details
- NHTSA campaign
- 18V730000
- Reported to NHTSA
- October 16, 2018
- Filed by
- Yamaha Motor Corporation, USA
- Owner notification
- October 31, 2018
- Vehicles potentially affected
- 1,902
- 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.
- Yamaha SR400 (2015-2018): 2018, 2017, 2016, 2015
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.
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.