Yamaha has issued a global recall for its 2015 R1 and R1M for replacement gearboxes after several bikes suffered complete failures. Yamaha has begin contacting owners and is drawing up timetable to replace the transmission of every bike. Yamaha UK hasn't commented on the issue, but Yamaha USA has issued a letter to owners outlining what is being recalled, what actions Yamaha and its dealers are taking, and what owners should do going forward. Here is the letter in full: Dear Yamaha Owner: This notice is sent to you in accordance with the requirements of the National Traffic and Motor Vehicle Safety Act. Yamaha Motor Corporation, U.S.A. has decided that a defect which relates to motor vehicle safety exists in all 2015 YZF‐R1 motorcycles. Our records indicate that you own the affected motorcycle shown above. The reason for this recall: In affected motorcycles, both second gear wheel and pinion gears in the transmission may break as a result of extremely high stress and/or improper shifting. This is due to inadequate component strength and stress concentration at the gear teeth bottom land. In addition, the third and fourth wheel gears may be deformed or break as a result of excessive stress caused by hard usage. This is due to inadequate component strength. If gears fail, the transmission could lock up, causing loss of control that could result in a crash with injury or death. What Yamaha and your dealer will do: To correct this defect, your authorized Yamaha dealer will replace the transmission assembly with one that includes gears of a different design. The procedure takes almost 16 hours to do but be aware that your Yamaha dealer may need to keep your motorcycle longer depending upon their current service schedule. There will be no charge to you for this procedure. What you should do now: Please call your Yamaha dealer to make a service appointment to have this procedure performed. At that same time, you can find out how long they expect to keep your motorcycle for this service. Remember to take this letter with you when you take in your motorcycle. You should not ride your affected motorcycle shown above until this modification is performed. If you are unable to return to the Yamaha dealer who sold you the motorcycle, this service will be performed by any authorized Yamaha motorcycle dealer. For the name of a dealer near you, call 1‐800‐88‐YAMAHA or visit the Yamaha web site at www.yamaha‐motor.com. If you have had this repair performed before you received this letter, you may be entitled to receive reimbursement for the cost of obtaining a pre‐notification remedy of the problem associated with this repair. For more information, contact Yamaha Customer Relations at 1‐800‐962‐7926. Federal regulations require that any vehicle lessor receiving this recall notice must forward a copy of this notice to the lessee within 10 days. If, after contacting your dealership, you have questions or concerns which the dealership is unable to answer, please write to: Yamaha Motor Corporation, U.S.A. Customer Relations Department P.O. Box 6555 Cypress, CA 90630 Or call: 1‐800‐962‐7926 If you need help: If, after contacting Yamaha Customer Relations, you are still not satisfied that we have done our best to remedy the situation without charge and within a reasonable time, you may submit a written complaint to the Administrator, National Highway Traffic Safety Administration, 1200 New Jersey Avenue, SE., Washington, DC 20590; or call the Auto Safety Hotline at 1‐888‐327‐4236 (TTY: 1‐800‐424‐9153); or go to http://www.safercar.gov. Refer to campaign 15V802. If you no longer own this Yamaha: If you have sold your motorcycle to another party, please call us toll‐free at 1‐800‐962‐7926 with the name and address of the new owner, along with the serial number shown to the right of your name on the address label above. We’re sorry to cause you any inconvenience, but we are sincerely concerned about your safety and continued satisfaction with our products. Thank you for giving your attention to this important matter.