when dose the valve normaly open??

• rossi_fan46

  5 Aug 02, 11:55

  when dose the valve for nsr150 normaly open when ridin? at wat r.p.m???
• TaNkEE

  5 Aug 02, 22:28

  NSR150 SP valve opens at 5250 RPM and closes at 10500 RPM
  at 5250 rpm u will be able to feel the bike pick up speed faster.