Complete engine gasket set designed for full bottom- and top-end service, supplying primary gaskets and key O-rings to reseal crankcases, cylinder, covers and ancillary housings. Constructions are matched to original specifications for reliable alignment and sealing.

Features

• Comprehensive selection for complete bottom- and top-end service


• Fibre and composite gaskets with sealing bead where applicable


• Metal-layer and paper constructions matched to original specifications


• Includes critical O-rings for coolant and oil passages where used


• Model-specific profiles for correct alignment and sealing

Specifications

• Application: Two-stroke single


• Kit contents (typical): Crankcase gaskets; cylinder base gasket; cylinder head gasket or O-rings as applicable; reed valve gaskets; exhaust and power-valve cover gaskets; clutch cover gasket; ignition/stator cover gasket; water-pump and side-cover gaskets; assorted O-rings


• Manufacturer reference: Namura NX-40027F


• Installation note: Inspect mating surfaces and replace worn seals and bearings as required

Vehicle Fitments

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  Yamaha YZ250 1986–1987