8. CYLINDER/PISTON Mongoose/KXR 90/50 Spark Plug Cap CYLINDER HEAD (Mongoose/KXR 50) REMOVAL Remove the spark plug cap. Remove the exhaust muffler. ( 2-7) Fan Cover/Engine Hood Remove the three bolts attaching the fan cover to remove the fan cover. Remove the bolt attaching the engine hood to remove the engine hood. The installation sequence is the reverse of removal. Remove the spark plug. Cylinder Head Cylinder head Bolts Remove the cylinder head bolts and the cylinder head. Loosen the bolts diagonally in 2 or 3 times. Remove the cylinder head gasket. Spark Plug 8-10