Question: When did the bike that Lucas Mahias used to win the FIM Endurance World Championship riders' title in 2016 begin manufacturing?

Context paragraphs:
Jason Pridmore: Jason Pridmore (born October 4, 1969 in Goleta, California) is a retired American professional motorcycle racer who turned pro in 1990.  He last raced professionally in the 2014 FIM World Endurance Championship on a BMW S1000rr for Team Penz 13.  His professional career spanned 22 years, during which he won 21 American Motorcyclist Association (AMA) national races 17 of which are Superstock class wins (Formerly Supersport) which is second to Scott Russell.  Pridmore was the AMA Formula Extreme Championship in 2002, the AMA 750 Supersport Championship in 1997 as well as the FIM Endurance World Championship title in 2003 & 2012 respectively.  In addition to his professional racing career Pridmore gained notoriety for being one of the top riding coaches in the United States through his STAR Motorcycle school and JP43 Training programs.  Pridmore also spends time as an expert analyst for Bein Sports coverage of the Moto America championships.

Jacques Cornu: Jacques Cornu (born May 15, 1953) was a Grand Prix motorcycle road racer from Switzerland.  His best year was in 1988 when he won two races and finished in third place in the 250cc world championship.  Cornu won three Grand Prix races during his career.  In 1982, he teamed up with Jean Claude Chemarin to win the FIM Endurance World Championship.

Adrien Morillas: Adrien Morillas (born May 30, 1958) is a French former Superbike and Grand Prix motorcycle road racer.  He competed in the inaugural Superbike World Championship season in 1988, winning one race.  His best year in Grand Prix competition was in 1991 when he finished in eleventh place in the 500cc world championship.  After his Grand Prix career, Morillas returned to compete in the Superbike World Championship from 1992 to 1995.  He participated in the FIM Endurance World Championship in 1993 and 1994, winning the 24 Hours of Le Mans both years.  He claimed the Endurance World Championship title for Kawasaki in 1994.

Raymond Roche: Raymond Roche (born February 21, 1957 in Ollioules) is a French former Grand Prix motorcycle road racer.  In 1981, he teamed up with Jean Lafond to win the FIM Endurance World Championship.  His best year in Grand Prix racing was in 1984 when he finished third in the 500cc world championship behind Eddie Lawson and Randy Mamola.  After retiring from Grand Prix racing, he competed in the Superbike World Championship as a member of the Ducati factory racing team, winning that championship in 1990 , and finishing as runner-up in 1991 and 1992 .  He is still only one of four native European riders from outside of the United Kingdom to have won the World Superbike Title.

Phase One Endurance: Phase One Endurance is a motorcycle endurance team, currently competing in the FIM Endurance World Championship.  They were formed in 1985 by Russell Benney and Martin Prout.  They have won the Endurance World Championship title in 1993, 2000 and 2003.

Yamaha YZF-R1: The Yamaha YZF-R1, or R1, is an open class sport bike, or superbike, motorcycle manufactured by Yamaha Motor Company since 1998.

Fabien Foret: Fabien Foret born (1973--) 29 1973 (age 44 ) in Angoulême, France, is a professional motorcycle racer currently competing in the FIM Endurance World Championship aboard a Kawasaki ZX-10R.  He has spent most of his career in the Supersport World Championship.

2016–17 FIM Endurance World Championship: The 2016–17 FIM Endurance World Championship was the 38th season of the FIM Endurance World Championship, an moto racing series co-organised by the Fédération Internationale de Motocyclisme (FIM) and the Eurosport.  This season marked the first move to a winter schedule for the championship, with the season starting at the Bol d'Or in September 2016 and concluding at the Suzuka 8 Hours in July 2017, , with the European races being held during the winter avoiding the MotoGP and Superbikes schedules.  GMT 94 Yamaha won their 3rd title.

Lucas Mahias: Lucas Mahias (born 14 April 1989) is a French motorcycle racer.  In 2017 he races in the Supersport World Championship aboard a Yamaha YZF-R6 and the Endurance FIM World Championship aboard a Yamaha YZF-R1.  In 2014 he won the French Supersport Championship, winning all the 12 races of the season, and in 2016 he won the FIM Endurance World Championship riders' title aboard a Yamaha YZF-R1.

FIM Endurance World Championship: Endurance World Championship (FIM EWC) is the premier worldwide endurance motorcycle racing championship.  The championship season consists of a series of endurance races (with a duration of eight, twelve or twenty-four hours) held on permanent racing facilities.  The results of each race are combined to determine three World Championships, riders, teams and manufacturers.

Supporting paragraphs: Lucas Mahias Yamaha YZF-R1
Answer: 1998