REMARKS :
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Distance between valve and piston should be 1.0mm at least:
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check 5-15° after TDC on intake
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check 5-15° before TDC on exhaust
Machine pistons if required. Wrong installation can cause severe engine damage!
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VVT reprogramming, operating range adjustment or even eliminating the VVT system should be considered for camshafts with increased duration
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ONLY for dirt track applications and pro street use with adjustable engine management or carburettors
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if required, use extra shims to increase spring load