Motohashi was born in
Nishitokyo on August 3, 1982. After graduating from high school, he joined
J1 League club
Yokohama F. Marinos in 2001. However he could not play at all in the match. In 2002, he moved to
J2 League club
Shonan Bellmare on loan and played as offensive midfielder. In 2003, he returned to Yokohama F. Marinos. However he could hardly play in the match. In 2004, he moved to J2 club
Sagan Tosu. He played many matches as regular player. In 2005, he moved to J2 club
Montedio Yamagata. He played as regular player. However his opportunity to play decreased from 2006. Although the club was promoted to J1 end of 2008, he moved to J2 club
Tochigi SC end of 2008 season without playing J1. He played many matches as regular player in 2009. However his opportunity to play decreased from 2010 and he could not play many matches from 2012. He retired end of 2013 season. ==Club statistics==