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Post by motolli on Oct 7, 2019 12:03:03 GMT 1
Hello Pete, I am new here in this UK Forum, but active in the RZRD500 Forum for a while. I know this flat ( rich ) spot between 5000 and 6000 RPM very well. It is caused by the shape of the stock elephant ears and the airbox. It's a kind of resonance effect. To get rid of the sputtering behaviour there, you should check your jetting. It seems to be far too rich. My Rd500 ( Lomas, Stock airbox, Zeeltronic ) runs very well with the following -> Main jets 170-175, Needle 4L10 or 5L0 middle Clip, pilotjet 25, airjet 1.4 ) without airbox and elephant ears, using pod filters, this problem dissapears, but others will come. The best solution is to keep the stock airbox and focus on a fine jetting. The Zeeltronic CDI is more flexible ( programmable ), but you will achieve good results with the Standard CDI also. best regards Oliver
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