Author Topic: '86 KX5 Engine issues  (Read 2146 times)

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PsychoticDeadGuy

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'86 KX5 Engine issues
« on: November 04, 2007, 10:42:30 AM »
Well, this is my first post, and I have an issue, my KX5 cylinder for my '86 was stolen, so I need a replacement, Kawi dealer says $800+ but I was wondering if there was a way to put the '89 and up top end on the '86 case? And does anyone make a big bore kit for the '89 and up motors if it would work?

Offline kx666

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Re: '86 KX5 Engine issues
« Reply #1 on: November 04, 2007, 02:52:13 PM »
Welcome to the site

i know that there was a lot of changes in 88 in the cylinder. i donot know if it will bolt on, but nothing is impossible.
good luck, sorry to hear that it was stolen

Offline don46

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Re: '86 KX5 Engine issues
« Reply #2 on: November 08, 2007, 04:50:48 AM »
While you may be able to get an 88 cylinder, the powervalves have been discontinued, so if you don't have those a cylinder will do you no good. You can possibly find one on ebay.

to answer your question, a 89 and newer cylinder will work on your 88. you will have to use the head from a 89 and newer as well. The roller for the powervalve is a bit different as well on the 88 and older, I think, 87 is defineately different but it will only cost you a couple of bucks to change it.
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