Right oil seal (front cover seal)
1. Remove the crankshaft pulley.
2. Carefully pry the seal out with a screwdriver.
3. Clean the stuffing box and remove all burrs and sharp edges.
4. Lubricate and carefully press the new oil seal into the shoulder provided on the outer surface until it stops.
5. Remove any remaining grease, then install the crankshaft pulley.
Rear oil seal (flywheel oil seal)
1. Remove the flywheel (see subsection 3.1.1.15).
2. Pry off the oil seal and carefully remove it from the cylinder block.
3. Clean the stuffing box.
4. Lubricate the sealing lips of the new oil seal and the crankshaft journal with a thin layer of grease, correctly orient the oil seal relative to the crankcase.
5. Carefully place the oil seal on the crankshaft and press it in without distortion so that the surface of the oil seal is flush with the shoulder on the cylinder block.
6. Remove grease residue, install flywheel.