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One of my bikes is a 1401cc Hayabusa (stock bore, 5mm stroke). I love the bike. I love the way it pulls. There's never a wrong gear with this thing. I mean, I love it! What I don't love is the fact that the crank is a weld-up and I've heard time and time again that the question is not "if" the crank will fail, but rather "when" it would fail.

I'm looking for some good advice as to how I keep the weld-up healthy for as long as I can. The thought of dropping $2,300 on a billet stroker is NOT appetizing. Any and all tips/suggestions are appreciated. Thanks.

GSXR
 

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Wow , 8 months and no response. 馃槼
psychobike isn't what it used to be man. There's a page on fb, but it doesn't have near the knowledge these forums do. To be honest though, the best possible answer you'd probably get is by asking a real builder. I don't know if they'd be able to give you an "exact" time in which the crank would duke on you; but I would be pretty sure they should have a "solid" idea of the lifespan you're talking about. I'm sure this isn't the answer you're looking for, but as I'm sure you're aware....there are a lot of factors involved when you talk about "lifespan" of the crank or motor in general. Much love and best of luck finding your answer sir, some stuff like this is held real close to the chest.
 
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