2006-2009 Honda TRX680 (TRX 680 FA-FGA) Factory Service Manual, Page 234Get this manual
CYLINDERPISTON
CYLINDERPISTON INSTALLATION
PISTON RING INSTALLATION
BfJ C81t:tful nor 10
dama ge rho ofsron and rings
Carefu lly install ih piston rings into the piston ring grooves with the marking facing up NOTE:
MARKING TOP RING
Do not co nfuse the to and second rings To inst all he oil ri ng, in stall the spacer first, th en install the side rail s)SECOND RING
Stagger the piston ring end gaps 120' apa rt frOI11
each otherStagger the side rail end gap as sho n
20 mm Of more
Oil RING