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87 KX500 engine 88 Head

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hi guys

does anyone know if an 88 KX500 engine head will fit an 87 KX500 cylinder? The 87 one i am looking at has had its head stay cut off and i was wondering if the 88 head will fit on the 87 motor?

Is it advisable to re-weld some fabricated headstay brackets onto the head that has had them cut off, or will this cause any issues to the head itself from the weld heat?

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The short answer is yes it will fit, The design is the same, it may have a different squish angle or compression but will still work. There was one year that had larger studs around the thread area, can't remember which year. as for weliding a new stay, you could probably do it, but you'd have top resurface it to ensure the heard wasn't warped, heck they are welding on fittings for compression releases so I don't think you'd have a problem.

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