capt five Posted February 6, 2008 Report Share Posted February 6, 2008 Hi all, has any owners of the SCORPA 250 F, had to adjust the valve shims yet? just like to know how long they last? before adjustment is required. cheers. capt five. Quote Link to comment Share on other sites More sharing options...
jmck Posted February 8, 2008 Report Share Posted February 8, 2008 The valve shims will not wear out if that is what you are asking. The valve clearance will change periodically due to valve/valve seat wear and the shims will need to be changed to maintain the proper valve clearance. Quote Link to comment Share on other sites More sharing options...
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