Honda BF75 BF100 Outboards Service Manual, Page 67Get this manual
HONDABF75BF 100 PISTON
[IQ] TOP RING
ASSEMBLY Chrome plated00 not interchange with SECOND RING
PISTON RINGS
ASSEMBLY: nstall the rings with the markings facing up Stagger the ring end gaps 120 apartDo not align with the piston pin or thrust sides
ASSEMBLY:
After installing both pistons and connecting rods in the cylinders, secure the rods to the crankshaft(p66 )
]"VALVE RELIEF"