2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 300Get this manual
2B-5 Front Suspension: Compression damping force adjustment After installing the front suspension, adjust the spring pre-load and damping force as followsNOTE Turn the adjuster clockwise to stiffen the damping force and turn it counterclockwise to soften the damping force Fine-tune the adjuster by turning it slightly until two punch marks alignTurn the damping force adjuster (1) to the desired positionSTD position and 14 turns out from stiffest position Gas pressure release Make sure to observe the following precautions:! WARNING
Never apply heat or disassemble the shock absorber unit since it can explode or oil can splash hazardously When discarding the shock absorber unit, be sure to release gas pressure from the unit following the procedures1) Make the drill center at the location "A" using center punch
I823H1230009-01
"a": mm (0.35 in)
"A": Mark the drill hole
I933H1220011-02