Electrical system: Wiring12/12/201616V892000
Yamaha Motor Corporation, USA (Yamaha) is recalling certain model year 2015 XC155F SMAX scooters manufactured September 17, 2014, to October 27, 2015. The affected motorcycles may have an insufficiently clamped speed sensor lead wire, causing the wire to fatigue and break.
Consequence
If the speed sensor wire breaks, the speedometer will not work, increasing the risk of a crash.
Remedy
Yamaha will notify owners, and dealers will replace the speed sensor assembly, free of charge. The recall began on January 27, 2017. Owners may contact Yamaha customer service at 1-800-962-7926. Yamaha's number for this recall is 990111.
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.
Engine and engine cooling: Engine05/15/202020V277000
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.
Consequence
A fouled spark plug could cause the engine to stall at idle and possibly not restart, increasing the risk of a crash.
Remedy
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.
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.