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cobra131

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Reply with quote  #1 
Just thinking ahead what if you running the smallest shim and need to go smaller to get the valves right. Does it need to be redone or get a different head if it needs to be redone what do they do? Do I need to get new valves
joshr08

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Reply with quote  #2 
Have the head rebuilt with all new parts.
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04 Predator 558 Flat Tracker(Predasaki)
04 Predator Trail quad in the making
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cobra131

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Reply with quote  #3 
Is that something I can do or does it need to go to a shop to have done?
joshr08

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Reply with quote  #4 
If it was me I would take it and have it done but I don't have the tooling to do said work.
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04 Predator 558 Flat Tracker(Predasaki)
04 Predator Trail quad in the making
Project Reaper Build
cobra131

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Reply with quote  #5 
Thanks I will do that
cobra131

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Reply with quote  #6 
What will they do? New springs new valves? Something I don't understand what wears that we have to keep shimming the valves. Is it the valves itself or where the valves seat to the head?
joshr08

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Reply with quote  #7 
Call a reputable machine shop and talk to them. They will give you options on your rebuild I am sure.  Just tell them that you have ran out of shim adjustment on your valve lash and they should know what needs done.  If it was be I would have a complete rebuild of the head.  Springs, valves, valve seats, guides and anything else in there.  If your taking it apart to have it done, do it all or you may end up back in there in a few months fixing something else.  I would also try to find a shop that deals with predator heads.  Otherwise you may end up with a shop trying to talk you into work you don't need to do and will only cost you money and hurt performance.
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04 Predator 558 Flat Tracker(Predasaki)
04 Predator Trail quad in the making
Project Reaper Build
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