2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 181Get this manual
1D-39 Engine Mechanical:
Piston Ring Removal and Installation
Removal 1) Draw out the piston pin and remove the pistonRefer to "Engine Top Side Disassembly (Page 1D-17)"2) Carefully spread the ring opening with your thumbs and then push up the opposite side of the 1st ring to remove itNOTE Do not expand the piston ring excessively since it is apt to be broken down
B933H21406030
I705H1140170-02
"A": INCORRECT
"B": CORRECT
b) Install the 2nd ring (3) and 1st ring (4) to pistonNOTE 1st ring (4) and 2nd ring (3) differ in shape