Quote:
Originally Posted by Roronoa Zoro
Right on the money
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I don't mean to be rude, and I'm sorry if it comes across that way.
It's possible that Spud's case was unusual, particularly given the fact the problem valves were on the intake side, which are typically subject to less heat and stress than the exhaust side; he may have just been unlucky.
That valves are unchanged around 7-8k is probably good sign.
Really a wider net is needed - there's a
lot of these bikes around, and if top-end rebuilds on or around 20k were needed I really think you'd be hearing a lot about it, as there's got to be some parts of the world where these things are used hard.
Collecting data is definitely a useful exercise, assuming people take notes.