Campaign 25V-778Do not drive

Camshaft retainer bolt may loosen and not properly secure the camshaft, resulting in an engine stall

Defect summary

Yamaha Motor Company, Ltd. (Yamaha) is recalling certain 2018-2022 XMAX scooters. The camshaft retainer bolt may loosen and not properly secure the camshaft, resulting in an engine stall.

Consequence

An engine stall can cause a loss of control, increasing the risk of a crash or injury.

Remedy

Owners are advised not to ride their scooter until the remedy has been completed. Dealers will install a new camshaft plate kit, free of charge. Owner notification letters are expected to be mailed November 20, 2025. Owners may contact Yamaha's customer service at 1-800-962-7926. Yamaha's number for this recall is 990184. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning November 24, 2025.

Source: NHTSA ODI recalls file, campaign 25V778000. Text as published by NHTSA.

Vehicles covered

One product line is covered

Owner complaints filed with NHTSA about engine and cooling on these vehicles: 1, of which 0 involved a crash, fire, injury or death. Complaints are not verified by NHTSA.

Vehicles covered by campaign 25V-778
Make	Model	Model years	Complaints on this component
Yamaha	Xmax	2018 to 2022	1

Source: NHTSA ODI recalls and complaints files. Equipment, tire and child-seat campaigns list products, not vehicles.

Investigation

No NHTSA investigation is linked to this recall

Most recalls are started by the manufacturer. This one lists "Manufacturer" as its origin.

Before the recall

No service bulletins on this component preceded the recall

Distinct manufacturer communications on the same component group, make, model and model year in the 24 months before the report date.

Source: NHTSA manufacturer communications file.

Service bulletins

22V-130 Mar 7, 2022
Improper electronic control unit (ECU) programming may limit the throttle response, cause an engine stall, or fail to illuminate the engine…
21V-865 Nov 5, 2021
Engine Control Unit (ECU) programming installed under Recall 20V-813 (990141), that was designed to prevent gear damage, may prevent the engine…
21V-806 Oct 15, 2021
Engine case may leak oil onto the rear tire
21V-251 Apr 9, 2021
Primary sheave nut may loosen and fall off
20V-277 May 15, 2020
Cylinder head nuts may not have been tightened properly and could loosen, allowing coolant to foul the spark plug
20V-212 Apr 9, 2020
Oil passageway in the engine side cover may not be properly manufactured, possibly blocking lubricating oil to the engine