Seller notes

Last years for air cooled big bore KX Motocross.For 2nd generation. Reed valve, air cooled only.THESE PARTS came out of a 1980 KX420. I CAN NOT GUARANTEE if they will fit any OTHER YEARS 1981. BUYERS must BEWARE and DO YOUR HOMEWORK. NO REFUNDS OR RETURNS. ASK QUESTIONS if unsure about anything. Rare & very hard to find ENGINE PARTS in good shape. INCLUDES: 84mm CYLINDER.No damage noted. YZ490 pistons are supposed to work on KX420's.These are USED parts with no warranty. If you want NEW parts th...

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