Ring Installation - TGB EST 1000 Service Manual

5-2. ENGINE TOP END

Ring Installation

▪ For installation, reverse the removal
procedure.
NOTE: First install spring and then ring of oil
scraper ring.
▪ Install the oil scraper ring first, then the lower
compression ring with the open edge facing
up, then the upper compression ring with the
word "R" facing up.
NOTICE: Ensure that top and second rings are
not interchanged..
NOTE: Use a ring expander to prevent
breakage during installation. The oil ring must
be installed by hand.
▪ Check that rings rotate smoothly after
installation.
▪ Space the piston ring end gap 120° apart and
do not align the gaps with the piston pin bore.
5-2-20