Industry mourns the passing of legendary two-stroke tuner Eyvind Boyesen

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Eyvind Boyesen, the legendary motocross tuner and founder of Boyesen Engineering, passed away this past Wednesday, just two days before the ceremony honoring his induction into Motorcycle Hall of Fame.

Boyesen was being inducted for his enormous contributions to motocross engine development. His sudden death, the result of illness, was marked by a moment of silence and remembrance at the event.

Ceremony host Perry King read comments prepared by Boyesen's son, Dag Boyesen, who was going to speak in honor of his father at the event.

"Early on, I saw my father's commitment to new ideas, spending countless hours in the basement porting cylinders," Dag Boyesen wrote in his remarks. "His perseverance and belief that anything was possible guided his world.

"Beyond all the accomplishments and success, there is another Eyvind Boyesen. I know I speak for our family and friends when I say that Eyvind Boyesen was a person's person. His spiritual faith, his love for his wife and his happiness showed me how to love and dream and how to appreciate life," read King.

Boyesen founded Boyesen Engineering in 1972 in Lenhartsville, Pa., and built a worldwide reputation as a two-stroke engine expert. In addition to his reed-valve innovations, Boyesen was also known for a special porting technique that has been used in motorcycle, snowmobile and watercraft two-stroke engines. He also refined methods of water pump design and developed enhanced accelerator pump operation used in four-stroke carburetion. Boyesen held more than 40 patents for the aftermarket motorcycle industry, and his company continues to thrive today.

"I will say that my career has been balanced by my ability to do what I truly love," Eyvind Boyesen said when his 2010 induction was announced in June. "To this day, I will always remember the first time I saw a motorcycle. It was magical."

This report is based on an AMA press release regarding the Motorcycle Hall of Fame induction ceremony.