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Fit piston rings:
The piston rings must be fitted by hand. Slightly twist ring and put one end into
the correct groove. Work ring around the piston into position. Be very careful
not to break the rings. Start with oil ring at bottom of piston. Then the Stepped
ring and the compression ring on top. The writing on the rings must face
upwards on top of rings. Space the ring gaps 120 ° to one another. No two gaps
must be close to one another.