when dose the valve normaly open??

rossi_fan46 SG

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

TaNkEE SG

Mr. Green 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.
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