Use cautionVehicle recall · NHTSA · Published May 15, 2020
Yamaha XC155 (2018) Recall: Engine Stalling Risk
Yamaha recalls 2015-2018 XC155 scooters due to potential engine stalling from faulty cylinder head nuts causing coolant to foul spark plugs. Owners must have cylinder head gaskets replaced free of charge.
A fouled spark plug could cause the engine to stall at idle and possibly not restart, increasing the risk of a crash.
✎ GovInfoNow plain-language explainer
Yamaha is recalling 2015-2018 XC155 scooters because loose cylinder head nuts could let coolant reach the spark plug, causing engine stalling and possible crashes. This affects scooter owners who bought these models between 2015 and 2018. Read more at govinfonow.com/recall/1225523-yamaha-xc155-2018-recall-engine-stalling-risk.
“Yamaha XC155 (2018) Recall: Engine Stalling Risk.” GovInfoNow, updated October 5, 2026. https://govinfonow.com/recall/1225523-yamaha-xc155-2018-recall-engine-stalling-risk. Based on NHTSA recall #20V277000 (https://www.nhtsa.gov/recalls?nhtsaId=20V277000).
Yamaha Motor Corporation, USA is recalling certain 2015-2018 XC155 scooters due to a potential engine stall risk, according to the National Highway Traffic Safety Administration (NHTSA). The agency announced the recall on May 15, 2020. Owners should contact Yamaha customer service for a free remedy.
How to tell if you have it
Yamaha XC155F, 2015
Yamaha XC155, 2015-2018
What to do
Dealers will replace the cylinder head gasket and tighten the cylinder head nuts free of charge. Owners may contact Yamaha customer service at 1-800-962-7926.
The hazard
A fouled spark plug could cause the engine to stall at idle and possibly not restart, increasing the risk of a crash. The issue stems from cylinder head nuts that may not have been tightened properly, allowing coolant to foul the spark plug.
Context
GovInfoNow's records show Yamaha Motor Corporation, USA has 28 other recalls on record since 2011-01-11. Other recent recalls of similar products include Yamaha XTZ690 (2025) Recall: Turn Signals May Fail, Risk of Crash (2026-06-05), Yamaha XMAX 2021 Scooter Recall: Engine Stall Risk (2025-11-13), and Yamaha MT-09 (2021) Recall: Engine Stall Risk (2022-07-03). Other recent recalls of similar products include Kawasaki Ninja ZX-6R (2024-2026) Recall: Engine Stall Risk (2025-11-18), KTM 390 Adventure R (2025) Recall: Engine Power Loss Risk (2025-12-01), and Honda 2025 CB1000SP Motorcycle Recall: Engine Fire Risk (2025-12-18).
How to tell if you have this one
Check if your scooter was made between 2015 and 2018 and has the model name XC155. The recall started on May 29, 2020, and applies to all these models.
Brand
Yamaha
Category
Vehicle
Based on the official NHTSA remedy
What to do — step by step
Contact Yamaha
Call Yamaha customer service at 1-800-962-7926 to schedule a free cylinder head gasket replacement.
Get Cylinder Head Gasket Replaced
Dealers will replace the cylinder head gasket and tighten the cylinder head nuts at no cost.
Official remedy
What NHTSA says to do
Yamaha will notify owners and dealers will replace the cylinder head gasket and tighten the cylinder head nuts, free of charge. The recall began May 29, 2020. Owners may contact Yamaha customer service at 1-800-962-7926. Yamaha's number for this recall is 990137.
How this recall unfolded
Recall timeline
2 dated steps over 14 days.
1NHTSA received the defect report
2Recall began
Dates from the agency record only; steps without a date are left out.
The facts (hazard, remedy, dates, manufacturer) are pulled from the official NHTSA recall record. The plain-language summary and step-by-step checklist are written by GovInfoNow to make the official notice easier to act on — they don’t replace it.
Plain-language summary written by qwen3:4b on October 5, 2026, from the official record above. Not reviewed by a person — if it conflicts with the NHTSA notice, the notice is correct. Report an error on this page.
GovInfoNow is an independent service and is not a government agency. We republish official NHTSA recall data; we don’t issue, amend or administer recalls.