Sherco Base Gasket M681

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Sherco Part# M681The base gaskets are available in different thicknesses to allow the correct squish clearance to be achieved.Some bikes come with 1.00mm thick gasket from new, so you may have to use 2 gaskets to achieve the correct squish clearance.If you do not know how to measure the squish on your bike, measure the thickness of your original base gasket and use the gaskets above to achieve the same thicknessWe recommend you set your squish around250cc 1.10mm290cc 1.20mmSherco Cylinder Base Gasket.Fits some of the late 2005 bikes used the wider gasket - M681) Show more