Safety Recall NHTSA · 20V277000 Reported May 15, 2020

Insufficiently tightened cylinder head nuts

Yamaha Motor Corporation, Usa · Engine And Engine Cooling · 3,116 vehicles potentially affected

NHTSA ID
20V277000
Manufacturer Campaign
990137
Manufacturer
Yamaha Motor Corporation, Usa
Component
Engine And Engine Cooling
Vehicles Affected
3,116
Recall Type
Vehicle
Report Received
May 15, 2020
Completion Rate
32.35

Defect Summary

Yamaha motor corporation, usa (yamaha) is recalling certain 2015-2018 xc155 scooters. the cylinder head nuts may not have been tightened properly and could loosen, allowing coolant to foul the spark plug.

Safety Consequence

A fouled spark plug could cause the engine to stall at idle and possibly not restart, increasing the risk of a crash.

Corrective Action

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.

What you should do

  1. Look up your VIN at nhtsa.gov/recalls to confirm this recall applies to your vehicle.
  2. Contact an authorized Yamaha Motor Corporation, Usa dealer and reference recall ID 20V277000 or campaign 990137.
  3. Schedule the free repair. By federal law, the manufacturer must remedy the defect at no cost.
View Official NHTSA Notice →
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FAQ: Recall 20V277000

Your rights, the repair process, and what each field on this page means.

What is recall 20V277000?

NHTSA recall 20V277000 was issued by Yamaha Motor Corporation, Usa on May 15, 2020. It addresses: Insufficiently tightened cylinder head nuts. The recall affects approximately 3,116 vehicles, with the defect involving the Engine And Engine Cooling component.

How do I get this recall repaired?

Contact any authorized Yamaha Motor Corporation, Usa dealer and reference NHTSA recall ID 20V277000 or the manufacturer campaign number 990137. Under federal law, the repair is completely free regardless of vehicle age or owner history.

Is my vehicle included in this recall?

The only way to confirm is to look up your 17-character VIN at nhtsa.gov/recalls. NHTSA's tool will tell you if VIN-by-VIN this exact recall applies.

How long do I have to get a recall repair done?

There is no expiration on most federal safety recalls. Even if your vehicle is years old and you bought it used, the manufacturer is required to perform the repair at no cost.

Where does the data on this page come from?

All information on this page is sourced directly from the U.S. Department of Transportation public dataset for NHTSA recalls. Last refreshed: 2026-05-22. For the most current official notice, visit nhtsa.gov/recalls.