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-   -   early tt600 engine parts interchangeability (https://www.horizonsunlimited.com/hubb/yamaha-tech/early-tt600-engine-parts-interchangeability-51760)

floyd932 29 Jul 2010 11:51

early tt600 engine parts interchangeability
 
What engine parts are interchangeable in the early tt600's? Specifically, would a 1987 cylinder head fit a 1983 engine block?

I have searched through the forum, but can't seem to find anything to answer the question. Does anyone know, or can point me in the right direction to find out?

Cheers

bruken 29 Jul 2010 14:27

I believe the parts are interchangeable if you replace the entire head and all components therin. i.e. cams valves etc. This is not based on my experience of a direct swap but on my 83 TT where I put in XT head, barrel and piston in. The head off a 3AJ engine wont fit, it was this head that Yamaha started making changes too to sort out cooling issues introduced by half fairings with high mudguards.


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