Bruce Powell Posted October 30, 2009 Share Posted October 30, 2009 I have a 81 XJ550 with 40,000Ks' I picked the bike up for my wife as a beginner.Once i have her up to speed we plan to put her 14yr old son on it.I have pretty much referb the bike.I want to use K&Ns on it.Looking to see if any other members have made this upgrade and what jets you found to do the job. Thxs Bruce [email protected] Link to comment Share on other sites More sharing options...
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