Hi there,
Not sure if this helps or not but I ran across these ads. I have NO clue if there is a difference between the 600R and the 600A2 but Here ya go anyways.
For Sale - 1986 Kawasaki ninja 600R
$600.00
617977
Great running engine still in frame for test run ,other parts from same modell available Respond to this ad 8/2/2004
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For Sale - 1986 Kawasaki ninja 600R
$600.00
617962
Parting out 1986 Ninja 600R ,Great engine for 600 still in frame for test run carbs with stage 2 jet kit 200,frame ,straight no accident 450,some other parts left .Have pictures will ship,for more info call (347)495 4020.Located in Laurel DE Respond to this ad 8/2/2004
http://www.mcmart.com/mall/mc_kawa_part.htm
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