Naraku Minarelli Engine Parts - Crankshaft bearings Naraku heavy duty left and right incl. oil seals for Minarelli CW, MA, MY, CA, CY

Naraku HD (Heavy Duty) crank main bearing set. Set contains left and right in metal cage crank bearings and relevant shaft seals. Only bearings with C3 bearing clearance from NTN or KOYO used. Please note! When changing the crank, always use new bearings and seals.

The name of the bearing already gives information about the load capacity. Only the highest quality Japanese bearings with C3 bearing clearance from one of the leading Japanese bearing manufacturers NTN or KOYO are used. With the HD set you create the basis for all burdens. Whether normal operation or racing.

The crankshaft sealing ring on the right is supplied with a stop collar, as installation too deep could block the oil hole for lubricating the bearings. For this reason the sealing ring is externally made of metal.

Please note! Always use new bearings and crankshaft sealing rings when changing a crankshaft.