
Moose Offroad Hard-Parts top end gasket kit, designed for a complete overhaul of the 4-stroke top end. This kit includes all the sealing elements necessary to get a bike ready to hit the track again: valve guide seals, cylinder head gaskets, base gaskets, exhaust gaskets, O-rings, and oil seals.
Whether you are preparing a YZ for racing or performing a major enduro service, this kit offers an economical and comprehensive solution to restore the sealing of the top end. Compatible with many 250 cc models (notably YAMAHA YZ 250 F, YZ 250, and WR 250 F 2013 models), it is designed for workshop mechanics and discerning riders who want a complete set of gaskets ready to install.