Reed Spacers?

From my racing/tuning experience, the 600/700SX/SXR engine responds very well to the reed spacers as the stock reed cage actually blocks the transfer flow due to the cylinder/port placement...I would suggest it is actually MANDITORY to have reed spacers on a "Red Head" SX/SXR engine.
The SRX engine does not suffer from the reed cage interferance problem of the SX/SXR engine, so on a 600/700 SRX I believe it is not necessary.The only advantage of reed spacers on a SRX engine would be to increase crankcase volume only "potentially" benificial on a "Big Bore".
JMO
 
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