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Old October 26th, 2012, 01:49 PM   #4
CZroe
CPT Falcon
 
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Name: J.Emmett Turner
Location: Newnan, GA
Join Date: Apr 2009

Motorcycle(s): '08 CP Blue EX250J, '97 unpainted EX250F, 2nd '97 unpainted EX250F (no engine), '07 black EX250F

Posts: A lot.
Quote:
Originally Posted by alex.s View Post
seen it, person is lazy/crazy. wouldn't do that to my cam chain unless i was stranded in a war zone trying to get away from a nuclear weapon. i replaced my cam chain (engine out, top/bottom off) in about 5 hours. its not hard if you know what you are doing and don't doddle and waste time.

as far as actually needing to replace it, my feeling is this; if you don't, the chain will continue getting worse which means louder which means its beating up those chain guides. stretching also means that its retarding the valve timing. i don't think any real direct damage will happen from having it stretched but that **** sure is annoying.
Thanks. Would it be any less crazy to break and make the chain using proper chain tools? I guess the total just goes up: CCT, guides, chain, gaskets, etc...

Quote:
Originally Posted by Motofool View Post
Have you actually measured the elongation of the chain all around?
Alex (above) tried that and got a completely different measurement than when removed. The other problem is that I don't know what the measurement is supposed to be. For the newgen-J the Clymer manual says "The manufacturer does not provide chain wear specifications." For the pregen-F it says "Refer to Table 1 for specifications" where is says 20-link/21-pin measurement should be less than 128.9mm. Is it the same for the pregen/newgen?
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