I had the info for this sled but cannot find it. But 8600rpm is in the range you want. The 99 Edge Racer modles were hi-strung engines. If your clutching it stock and you are turning 8600rpm at WOT then thats where it should be. I thought it suppose to spin abig higher but I could be wrong, I cannot remember. Like you said if the power isnt dropping off then dont try an lower it.
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