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Canadian Daves JustKDX
Tech help - KDX 200 cylinder Boring
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[QUOTE="motopsycho87, post: 1421556, member: 121282"] I would get it nicasil plated. Chrome tends to be reserved for sports bike engines now. I had mine (1989 kdx200sr) replated recently and it cost me £220 including Mitaka piston kit (which was £80). [url]http://www.wiseco.com/ProductDetail.aspx?ItemID=PK1495&ModelID=193&ModelYear=1986&AppID=27254[/url] tends to be the largest oversize I can find. If you hunt well you will probably find a piston with the same measurements from another bike but with a larger bore. Standard - pi x 33² x 58 = 198.429 1mm ovrsze - pi x 33.5² x 58 = 204.488 6.059cc increase... wow! Remember mate, your bike is a 2-stroke. For less money, send the barrel off to be ported and have the head machined to get the right squish clearance. Ir if you are pretty handy with tools, do it yourself, a lot can be gained by just cleaning up the ports with a dremel! Download A.Graham Bell's book on 2 stroke tuning if you want to know more. *edit just reread, you have to get it done anyway, sorry! invest in a dremel and do some port cleaning before you send it away, or ask them to do it while it is away! [/QUOTE]
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Dirt Bike Discussions By Brand
Canadian Daves JustKDX
Tech help - KDX 200 cylinder Boring
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